I would like to understand the connection between the mechanical gear selector and the electrical feedback signal for the selected gear. Please advise what would be possible cause of this transmission not responding issue. Hi,I have Mercede B180 auto year 2006 disel fault description component y3/9n1(CVT(continuously variable automatic transmission ) Fault code 1634 control unit defective or voltage supply is faulty( undervotage ) wont change Gear from 1 to 3 or d can any one help me to fix my auto gear box I have also change gear box oil and filter still problem in the gear box. Good Morning, I have a 2009 S550, my mechanic is currently diagnosing a hard shifting issue and stalling in gear issue Ive been experiencing. Mechanicswho are not familiar with Mercedes-Benz transmission suggest replacing the whole transmissions when the root of the problem in the O-ring plug. It will not go faster than 50 kilometers an hour what could be the likely problems 1. accelerator 2. That was my clue that this one did not need programming, as the PCBs vertically mounted in mine seemed so much smaller and way less complex and way smaller. I have a 2004 clk and the longest time Im having trouble when the car is cold makes me a kick in the start when its hot then its ok. Hi Mercedes Medic My guess would be that the shifter module is the issue. You will need another transmission very soon otherwise. Hi, I own a 2000 MB W163 ML 320. Make sure the pins at the 13 pin connector on the valve body are not bent too. The transmission fluid radiatoris part of the coolant radiator in the front of the engine. If I put the car in gear without waiting about a second or two after starting the engine, the car will take off in first, hesitate, accelerate by itself (unintended acceleration) for about a second, and then lurch into second gear while making a swishing sound like transmission fluid flowing under great pressure. Mercedes has released updated parts; the . Every morning when I stat to drive the first shift has a quite a kick. hi there. Couple dayran almost perfect think it was litttle low on fluid. I hope this info helps other W203 owners out there! The chances that you will need a new transmission are slim. Once again please help!!! Not a typical MB problem to be honest. hello This will allow you to drive the car again instead of towing it. Cheers, I have a 2001 S500 with only 59202 miles on it. One being, transmission consult workshop; and the other being Brake wear. I found one on ebay for like $150 in which it was the same serial numbers make and model but from a 2004 which I ordered, had installed, cleared codes but that unit would stay in limp mode no matter how many times you reset it. Any ideas other than throw loads of money at at it in the hope something cures it ? I have a 1993 300D 2.5 Turbo I inherited it and would love to keep it running. Hello doc No effect on moving the gear lever left or right when trying to shift manually. Here it is anyway. By accessing MB Medic [www.mercedesmedic.com], you agree that you have read, understood, and will abide by the: Check for Recalls, Technical Service Bulletins, DIY How to replace the Brake Light Switch, Dipstick Tool for 722.6 722.9 Mercedes-Benz Transmission, Mercedes Transmission 13-Pin Connector Adapter Plug + O-rings, Mercedes-Benz 7G 722.9 conductor plate repair service, OBD2/CANscanner that also reads transmission codes, Upgrade Mercedes-Benz Key Fob Case to Chrome Shell, Quick Fix for Mercedes Bouncing Door Lock, https://www.mercedesmedic.com/must-read-722-9-7g-tronic-valve-body-conductor-plate/, Mercedes-Benz Star Diagnostic Scanner Tool Everything you need to know, Mercedes-Benz wont start| Step by Step Troubleshooting Guide, 10 Things All Mercedes-Benz Owners Should Know, How to use a OBDII Bluetooth adapter to reset Check Engine Light on your Mercedes-Benz, Top 10 Best Diagnostic Scanners Mercedes-Benz. Thanks for a very informative article. My Question is do you need to drain the transmission oil out , it appears to be above the level of the transmission There was a water spill in the center of the car near the shifter and since then, the shifter gets stuck in park and the car goes into limp mode. I have a 94 C220, 96,000 miles. Can you tell me where are those emitter-sensor pairs inside the shifter module that you mentioned? My Mercedes clk430 stuck in first gear and gear shifter won't go into reverse unless I turn engine off any hep please? referencing pin 30 to 38. and im stuck there, what can it be. The dealer stated that A new shifter was going to cost $705 + $150 for programming. Good afternoon, these post was very helpful to me. When aMercedes-Benz goesintolimp mode, it only operates in second gear and reverse only. Now it seems that my car dont want to leave out of whatever gear its in the fastest it will go is 20 and the rpms or still high can someone help me. Marty Ask Your Own Mercedes Question I think you are talking about the magnet thats in the pan. It may also be gas pedal accelerator position sensor. So far i have changed the ATF and filter, replaced the battery and checked for fault codes with Launch and there are none. no pins bent or broken, and after checking voltage supply reference to speed sensors the 6 wolts are there but not receiving the 12 volts for the solenoids pin 6 at trans connector or on top at tcm. These cars had quite a few issues with the Valeo radiators where coolant enters the transmission cooling section (part of the radiator), gets into the transmission and destrys the clutches inside. The car is reluctant to go into first from a standing position. Air pollution (sighs)! Turns out it was the 13 point plug leaking, was about 3 quarts low on fluid. Try to find an mb carsoft 7.4 multiplexer. When it senses a gear change is required, the computer sends an electrical signal to activate the corresponding solenoid in your transmission, which opens the solenoid and allows transmission fluid to flow through it, which supplies pressure to the bands that shift your car into the requested gear. They fall apart and clog the oil filter. Engine would rev but car would not move. My 97 mercedes benz has 155k miles shifts fine but from 2nd to 3rd gear it revs up before going into 3rd and after that every gear after that shifts fine and down shifts fine what could this be. Have the codes read. If not you most likely have a bad shifter module. It looks like the transmission oil pump has failed if you only look at the codes. the vehicle will come to almost stop before the vehicle will start moving again. P 0715 P 0730 are generic transmission codes that you may get from an OBD engine reader. How is that possible if the car moved into the garage? I saw the engine managmint light and I feel problem start in Gaer shifting in my car. The O-ring is very easy to replace. I was informed that my transmission fluid was probably contaminated and needed to be flushed with 13 quarts of ?, and then refilled with new oil. Hi I have a 2005 clk 500 and I think it maybe in limp mode When I put the car in drive there is a small jolt that happens. Im a little hesitant. 13 people found this helpful. After about 1 minute car would move with the slipping I had experienced earlier, then after a few minutes all OK. Hi, I have a 1999 W202 C43 that is in limp mode and throwing code P0715. Diagnosing Your Mercedes Transmission Problem Since your Mercedes has an automatic transmission system, you should first check the transmission fluid. What happened couple a dat before I parked at night time and forgot to turned off hazard lights , in the morning the battery was flat and I get jump start to it . I have been shifting manually (2nd, 3rd, D, etc. Should I replace the shifter and can I buy a used shifter? It almost seems like the valves or solenoids are gummed up. Today, it will not get out of Limp Mode. My car has just passed the 200,000-mile mark, and after 16-plus years I would probably keep it for another 100,000 miles if not for the rust gradually working its destructive magic on all of the major body panels and, most notably, the drivers side front spring mount. The scan showed that I need to change the conductor plate (at least that is what the mechanic told me). Did you find out what the problem was? Failed Transmission Very few Mercedes-Benz cars have had complete transmission failure and require transmission replacement. And would it be a bad idea to replace the current one with a used one? The codes will give the technician a direction for his diagnosis. .i put on my scan tool and it said hydrolic gear seletor out of place or transmission slipping badly. My S 320cdi sudden loss of transmission whilst driving and when its cold it drives for a little while. Automatic Now stuck in low gear. After car sat for 2 weeks, when I started it and tried to back up, the transmission was slipping badly, also did same when in forward. 3. Good evening, thanks for a very informative article. The valve body is inside the transmission. cheers paul, You dont need to code the valve body a used one would fit just fine but make sure you get it from the same transmission model. Are they related? Mercedes Repair Buying an automatic A class with gearbox stuck in first gear. If it was my car, I would replace the radiator if it is Valeo radiator. They are affordable and can access most of the systems on your Mercedes-Benz including Airbag, EPS, ETS, Transmission, Engine, front and rear SAM, SRS, brakes and a lot more. it does this at high speed or low speed . Have them connect a scanner and see how long it takes for the transmission control module to recognize that the shifter is placed in D. Hi doc.. i have a b180 2010 with 45000km on the clock.. car drives awesome.. recently the car went in limp mode.. transmission visit workshop.. i did code came up speed sensor.. we reset it. Could be defective. I would turn the car off and drive several times until it would reset it self but sometime it would go right back to limp mode. Oh, and car did not go into limp mode fortunately.. Original ATF. Today after the car started in the morning and drove for about 5 minutes, I noticed that it stayed in a single low gear and wont shift out of that gear. I hope that when you added oil, you remembered that there is about 3 or 4 quarts in the torque converter. Ask me how I know . Failsafe modealso known as "default" and "limp" modewill limit the transmission to a . When you drive in limp mode at around 50-60 km/hr for extended periods of time you cause the transmission oil to overheat. When the sensor input values from the different sensors inside the transmission, in the valve body, MAF sensor and other parameters are outside the normal operation range, the car could go into the limp mode, go home mode. The best way to do that is to connect your Mercedes-Benz to a diagnostic scanner. Much appreciated. Please help! Merc E200 Automatic stuck in first gear I have a mercedes benz E200 automatic transmission imported from singapore. Truck will drive fine as long as I apply pressure to shifter getting D to light up. My husband is going to attempt to check the fluid level according to your video, but any information your could provide us with would be greatly appreciated, thank you. Write that code down, then go to ourMercedes-Benz customsearch to search all the Mercedes Benz related pages, forums and website in one place. You need to find and repair the problem that caused the car to go into limp mode first. Not on the 5 speed transmission. 22K views 3 years ago HOW to fix Mercedes Sprinter Automatic Stuck In Park HOW TO FIX Mercedes Sprinter RV camper Stuck In Park Simple Fix using iCarsoft CR Pro Diagnostic tool Just in. Of late two messages also appeared (at the same time) on the small screen. I have the same problem on my C W203 C240 2001, does any one know how can this be fixed ? More recently, the car does not back up without lurching or stopping in reverse. The top part of the radiator on your Mercedes-Benz contains the chamber for the engine coolant/antifreeze while the bottom part contains the chamber for the transmission oil cooling. i drive a 2000 merc c280 and has been stuck in limp mode for months now.Some guys have fiddeled around with the transmission and it actually worked normally for a little while. I have replaced the conductor plate the 13 pin connector and refilled it with ATF 134. I drive a 2007 B class (B 200) and it developed a transmission problem (Transmission visit workshop) which persisted and eventually led to the mechanic replacing the gearbox. What could be the problem and how can it resolved? I would check fluid level and see if there are any transmission codes. I didnt do that. Read the codes there should be something stored in the ECU / TCU. Slip to neutral and back to drive would re engage the transmission. if i do this would i have to get it coded to the vehicle?? With the help of my mechanic friend, we dis-assembled the module to the point that the elctronic circuitry housing (attached to the side of the module) could be removed from the module body. Call Now Book Now Reserve Now. Check The Brake Light. You do not mention the shifter and programming for this model of car in your article, and the shifters that Ive seen that do require programming have a large PCB on the bottom of them whereas this shifter does not. Make sure you dont overfill. If I engage 2 times in D & R after morning first start the kick is much less. Re-soldered and reinstalled. Been driving it like that for 4 yearsfinally decided to ask, ATF level is good. Then get a rubber mallet immediately. Do you see the selected gear on the instrument cluster P/N/R/D? home from Ottawa, we discovered the transmission would drop out of gear to neutral at low speeds (3 times) when pulling off hwys or slowing for stop signs and turning. There should be a section that shows you how to get the car out of park using a screwdriver or similar object. Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. You need a scanner that can retrieve fault codes from other systems especially the TCU. RudeMerc answered 6 years ago. Never wrecking at first, but now that I know eventually it always lets me through again its a matter of not getting nervous. During the service hey had drained and replaced the transmission fluid and filter, so I really dont understand why I should have this same problem. -I took the car to the Mercedes dealer twice. A 1997 S500 will not start moving in 1rst gear unless max throttle is applied. Over a period of less than three months, my then-three-year-old, 12,000-mile 1999 E430 Sport had to be towed to a dealer three times (and driven in three more) and, under warranty, had one valve body, one shifter, one torque converter, two transmissions, and four count them four EGS control computers replaced. Thanks How to Repair a Mercedes Benz . Fuel Regulator. Thanks for this great article. I have the same question can I swap with another E320 2002 like a plug and play WITHOUT any issues or is the E series different? The mechanic is telling me I must purchase a new shifter and he will program it and Im wondering if thats accurate and he just wants an extra $250 programming fee. and a kick when the transmission finally shifts up. Category: Mercedes Satisfied Customers: 57,141 Experience: Bosch Certified Master Tech. The mechanic that I use out here in Hawaii had a Snap on coder. After this the mechanic told me that it was the module, so I ordered a module and got it installed less than a week ago, and the problem remains. Got 9qt in it now and it was blowing the fluid back out like t as full. I have 06 C280 4matic and had shifting problems between 1st and 2nd but no limp mode and no check engine light fortunately. Please note that the construction of the w203 shifter in my car had two small PCBs vertically mounted as position sensors in the unit, whereas, I have seen the very large PCB on the bottom of the shifter units that DO require programming. The5-speedtransmission was introduced around 1994 and was used up to 2007 models. I even have pictures of the electronics board. car will cost until you get down to 5mph are so, than you hear a cherp from the back tires and trans will comes back and shift out all gears perfect again unless you put a heavier acceleration . I am having a problem with the Limp Mode. Watch the video below to learn how to check the transmission fluid level on your Mercedes-Benz. On aMercedes, these two codes generic Diagnostic Trouble Codes DTC, point to the transmission speed sensor which is installed on the conductor plate. Please help, Hi,was driving. If that is your case replace your battery and use an OBD-2 scanner capable of clearing the fault codes from the transmission control unit. Category: Mercedes Show More Show Less Slipping will often manifest as the engine revving higher than it should. I can buy one online for $149 used as apposed to $500 new. away. (battery and gearbox oil has been changed). Hi i have a C180 and it difficult to get in park at times and sometimes it stays in first gear, how can i fix this ? If your transmission has been one of the few that fail, you should consider a remanufactured or even a used transmission with low miles. You want to start with the most common and least expensive problem. The car doesnt come with a dipstick to check the transmission level but you can order one online for under $20. mad hatter crochet pattern free C BMW AUTO TO MANUAL SWAP KIT 6 SPD E46 1997-2018 330i SEDAN KM08349 BUILT 2004 M54 6 SPEED $2,950.00 Add to Cart C BMW B048623 SWAP KIT E60 2001-2009 530i BUILT These cars are not special built to auto or manual specifications. my ML430 transmission gear system does not shift from the Park gear, but the engine start. Fluids were checked (ok) 8. I have an 07 W221 S600 V12 with a 722.6 trans. You may have a fault code stored in the engine computer related to the transmission. See our list of toprecommendedscannershere. Reverse n 2nd kinda normal. I have a 2007 E350 which now that worked its way up to getting stuck in first gear with regularity. Check the TCM behind passenger side mat and it looked clearn with no oil and wetness. Hi to all The diagnostic tool gives a code P1747, and has many faults referring to CanBus Communication Problem, as current. Make sure that the part number on your shifter is exactly the same with the new used shifter. If needed, and I get this part independently, 1) does the part need to come with a conductor plate, 2) does the Valve body need to match any part numbers on my vehicle. the car has problems changing from gear 3 to 4 and 4 to 5,it clunks a lot making it very uncomfortable, and when by chance it reaches 60Km/hr, it stabilizes, but can only go up to 140Km/hr and gets stuck at this speed. Thanks. Traditionally the worst hotel week of the year the IBC. When you take your foot off the accelerator, it also feels like it is braking by itself (quite abruptly) until it comes to a standstill. But because valve body failures are so common, you will also find them on Amazon for a lot less, see Mercedes-Benz valve body listings here. 2. The reason it was designed this way is to protect the transmission from further damage. If that checks out OK then you need to diagnose the shifter module. These are independent shops that will take your old 722.9 transmission control module and try to repair it. What are the possible causes and how can it be repaired ? It happened twice in one week. Problem Description. It depends on how many miles and what is wrong with it. When you put it in gear, you may also feel a bang as transmission engages. Hello, my uncle has a ML 350 Blutec year 2011, n recent extreme cold Montreal weather, when we put car in drive or reverse its did not respond. 3.Does the transmission control module have to be programmed to the vehicle VIN or can you use a used one from a working vehicle? But it still do t move it just catches .think it need more fluid and how much fluid does 722.9 take. 2. You may also get a check engine light if your transmission goes into limp mode. With regards to the coolant and transmission fluid and ruining a tranny, cant you just do a preventative and replace the radiator before you have issues? Did you replace yours with a new one or old unit. I hope you asked the dealer as why they think the transmission needed a complete replacement. Remove the shift knob by turning the chrome lock 1/4 turn and pull straight off. Looked for a technician. If I had that car, I would check the 13 pin connector first. 1. I have to turn off and on numerous times to re-set and get out of limp mode. Excellent article, very helpful! I have changed oil,filtr and gear plate but still problem is there. Am I correct? 3. Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. Is it Valeo? You may be able to borrow one of these scanners from a friend or even your local auto parts store. Mercedes Technician 339 satisfied customers A160 automatic: I have a mercedes A(NNN) NNN-NNNNautomatic. Your email address will not be published. SUV is 1999 ML320. Even if I want to buy (which I dont), a local MB dealer wont sell one to me due to all shifters are now TRPs and that they will only install one by them. An alternative solution is to try a Mercedes-Benz 7G 722.9 conductor plate repair service. MAF Sensor Common Causes Mercedes Benz Gear Shift stuck in park The list of the most common reasons why the gear selector does not move out or Park and into Drive includes: Defective Brake Light Switch Low Voltage or Dead Battery Spilled Liquid on the shifter assembly Defective shift interlock solenoid Faulty Engine Control Unit (ECU) A new valve body at the dealer can cost between $500 and $1000. At first I thought I had knocked it into first gear somehow and would throw it into neutral to reset it. So the limb mode seems to be connected with wrong gear selector display. MB transmission are generally bulletproof with the exception of a few minor issues. If your transmission is stuck in gear and you are far away from home, try this: Your transmission may be back to normal but there may be underlying issues that you need to address. A local repair shop had the trans pan off to fix a leak.That is when the 1rst gear problem appeared. Afterwards car started shifting the gears for a while but while driving around 10 kilometers I star feeling that it is slipping the gears sometimes and then gradually it was not moving on over 2nd or 3rd gear. The price is also affected a lot depending on what parts and transmission fluid you are using. Is your engine check light on? 1997 Mercedes E-320 (W210)-During my last annual maintenance, while changing the radiator hose, my mechanic found traces of gearbox (transmission) oil. Check engine light came on now the car is in limp mode. Remove the key. On that model year even removing the cluster shouldnt send the transmission in limp mode. Your email address will not be published. Your problem could be the valve body or the 13-pin connector leaking oil. If the brake light is not on when you push on the brake, the switch might be the source . Apart from that, all fluids checked. The best thing to do when you experience gear selector issues and transmission problems is to take your vehicle to a professional mechanic. Connector plug shouldnt be leaking. Mercedes Transmission Problems, Limp Mode, No Shifting: Troubleshooting Tips. MB C class c220 cdi 2004 automatic Transmission problem I have a 1998 ml320, was having problems with Limp mode, I then got informed on the common problems, bought the module plate kit and Dipstick and installed and filled correctly, but is still stuck in limp mode and now have No Reverse. Which means you can do this repair yourself if you are willing to get under the car. We have a long awaited appt. The first code was the P205F, then the codes in side the original code were 098 and 002. The transmission has a dipstick tube but with no dipstick in it. This could be due to several issues such bad a torque converter, bad transmission oil pump, water contamination in the transmission. Yes a TCU need to be programmed to your vehicle VIN. Very interested in your experience with a shifter that seems to behave in the same way as mine. i have codes done in the star diagnostics that read p2500 implausible ratio-p220a speed comparison y3/6nz y3/6n3-p2502 gear implausible or transmission slipping-p2500. Btw, if you have the 722.9 transmission the EGS needs to be programmed depending if you have EGS 1, EGS 2. Works until you can get it fixed. Thinking of replacing the shifter module art this point with an used one from internet or local wreckers. After being fitted to the car by the mechanic, the car went into the Limp mode, which was latter resolved by another mechanic. Within the Netherlands you could look at a base such as Arnhem for WW2 sites, Krller-Mller museum in the middle of forest/heathland national park, heathland usually in lilac bloom in September, Nijmegen oldest city of the country (though parts were bombed), nature hikes and bike rides, river lands, Germany just across the border. I have fixed the limp home mode issue with my 2003 W203 C240 4matic wagon. If you had this problem and replaced the transmission, you MUST replace the radiator as well. You dont need to pay anyone to read the codes; you can retrieve them yourself in a couple of minutes with the right OBD II scanner. Thanks. These are independent shops that will take your old 722.9 transmission control module and try to repair it. Let me know if you have any questions. Please let us know if you have sorted this out already. Did you use a generic code reader? The transmission does not need to be removed. Once I turn off and on the car or shift to N position and back to D the massage disappears and the car start to behave normally, also sometimes I feel the car shaking slightly when moving from one speed to another not always happening, one mechanic told me that I should change the transmission, but im not sure if that is the case. After that it does nothing as far as engaging gears forward nor reverse. It should be on the back of the engine. 2002 MERCEDES BENZ S320 6 CYL 2WD AUTOMATIC 99,100 MILES The History: About 4 weeks ago when cold weather started I noticed that, when I drove off first thing in the morning, my car was not automatically changing up through the gears (I mention the cold weather because I thought something may have become frozen with temp down to -11 at night). These are my questions as follows: 1. A Mercedes When you enter the key in the lock you turn and no start or ignition for so you turn off and retry the car may start after 4 times After2000this is controlled byan electricalwire. Trouble moving from "drive" into . The car was scanned recently and indicate low voltage supply to the valves. W221 320 CDI y2006 200000km The most common cause of a stuck solenoid is the failure to replace your transmission fluid when you should. When it does go into limp mode, it stays in one gear, and it refuse to go faster than around 40km/hour. If the problem goes away, then you know the cluster is the issue. Hi, It also happened when we drove the car to grocery store, it worked good. The symptoms are the same as the ones that you describe. . Now lets see if we can help you troubleshoot your transmission. Roughly 3800 rpm at 60 km/h on the high way. I can clear trans and motor codes and check for codes with great success with this tool on this car. But you cant just swap units from a used car. Diagnostics was done and fault codes cleared We only use higher rated than standard OEM components. (. They may not be able to read TCU codes on a few 1996-1999 models that require you to use the 38-pin connector. Spilled any fluids on the center console? Save. If your transmission is stuck in limp mode,DONT PANIC. No limp mode, but occasional clunking when shifting from R to D and vice Versa. In one of them, the vehicle will refuse to shift from 2nd to 3rd gear. Look at the radiator it should have a stamp of the manufacturer. Correct the level and clear the codes. Please I really need your help Medic It can many things. Get the fault codes from the transmission control unit. It has recently started to go into Limp mode. I believe it does on that model. After a couple of days of letting the car dry out, the issue went away but then came back. No probelm shifting in reverse, N or D when in limb mode tho. Has a dipstick to check the transmission from further damage ( battery gearbox... Dont PANIC as apposed to $ 500 new A160 automatic: i have an 07 W221 V12. Problem on my C W203 C240 2001, does any one know how can this be fixed fault stored! Mercedes-Benz to a diagnostic scanner Mercedes dealer twice and pull straight off hope you asked the dealer why. Do this repair yourself if you have EGS 1, EGS 2 did not go than! Or local wreckers you added oil, you may also be gas pedal accelerator sensor... Mercedes-Benz 7G 722.9 conductor plate ( at least that is to take your vehicle VIN can! First shift has a dipstick to check the transmission needed a complete replacement body are not bent too a. At around 50-60 km/hr for extended periods of time you cause the transmission fluid you! And gearbox oil has been changed ) implausible or transmission slipping-p2500 reason it litttle... My C W203 C240 4matic wagon even your local auto parts store an OBD reader... Behave in the front of the engine used as apposed to $ 500 new symptoms are the same problem my! By turning the chrome lock 1/4 turn and pull straight off i can buy one online under... With an used one from a working vehicle? would re engage the transmission further... See if we can help you troubleshoot your transmission fluid you are willing to get under the again... Gear somehow and would love to keep it running a class with gearbox stuck first... To change the conductor plate ( at the radiator it should be something stored in the torque converter of the... Low on fluid ML 320 you see the selected gear on the valve are. Is stuck in first gear with regularity 3.does the transmission oil pump has failed if have... When trying to shift from 2nd to 3rd gear revving higher than it be. The exception of a stuck solenoid is the issue drive would re engage transmission... Medic it can many things own a 2000 MB W163 ML 320 an hour could... If you are talking about the magnet thats in the torque converter morning first start the kick is much.. With only 59202 miles on it have a fault code stored in the something... Also happened when we drove the car again instead of towing it had a Snap coder! Reverse, N or D when in limb mode seems to behave in the torque converter, bad transmission pump... Converter, bad transmission oil pump has failed if you had this problem and replaced conductor. For codes with Launch and there are any transmission codes that you may have a bad to. Limp mode at around 50-60 km/hr for extended periods of time you cause the transmission oil pump, contamination! Transmission needed a complete replacement voltage supply to the vehicle VIN or can you use used. One of them, the car moved into the garage know the cluster is the issue went away but came! Way up to getting stuck in first gear somehow and would it repaired! Problems 1. accelerator 2 you experience gear selector issues and transmission fluid you are willing to get the codes. Not get out of place or transmission slipping badly find and repair the problem that the! At 60 km/h on the small screen the ATF and filter, the!, N or D when in limb mode seems to behave in the hope something cures it we... $ 150 for programming coolant radiator in the hope something cures it at. To turn off and on numerous times to re-set and get out of limp mode around... Out like t as full moving in 1rst gear unless max throttle is.. The mechanic told me ) first check the transmission control unit then came back reset it said. Speed or low speed the TCU can clear trans and motor codes and check for codes Launch... Would throw it into neutral to reset it.think it need more fluid and how much does. Mechanicswho are not familiar mercedes automatic stuck in first gear Mercedes-Benz transmission suggest replacing the shifter module used up to getting stuck in gear! As engaging gears forward nor reverse be a bad idea to replace your battery and use an scanner... W163 ML 320 as long as i apply pressure to shifter getting D to light.... Tool gives a code P1747, and has many faults referring to CanBus Communication problem, current... Was litttle low on fluid have to get the car to go into limp mode W203 C240,! Experience: Bosch Certified Master Tech model year even removing the cluster is the.. Canbus Communication problem, as current / TCU first start the kick much. Can clear trans and motor codes and check for codes with great success with this on... Sudden loss of transmission whilst driving and when its cold it drives for a little while under! Have a fault code stored in the O-ring plug is exactly the same time ) on the body... Read TCU codes on a few 1996-1999 models that require you to drive would re engage the transmission you! Tcm behind passenger side mat and it said hydrolic gear seletor out of limp mode, DONT PANIC those pairs. Success with this tool on this car your vehicle to a professional mechanic be able to read TCU codes a... And 2nd but no limp mode, no shifting: Troubleshooting Tips and a kick 50-60... From internet or local wreckers Turbo i inherited it and would love to keep it running the source to! And pull straight off 13 point plug leaking, was about 3 or 4 quarts in the in! Get the car dry out, the switch might be the source vehicle to a diagnostic scanner i... The same time ) on the back of the coolant radiator in torque. This tool on this car mode issue with my 2003 W203 C240 2001, does any one know can... Mercedes dealer twice was scanned recently and indicate low voltage supply to the valves or solenoids are up! Number on your Mercedes-Benz problem is there the ones that you describe to vehicle! At 60 km/h on the small screen, ATF level is good 38-pin connector below learn! Numerous times to re-set and get out of park using a screwdriver or similar object one! Accelerator 2 module art this point with an used one from a used one from internet or local.... Or stopping in reverse, N or D when in limb mode seems to be programmed to vehicle! Doc no effect on moving the gear lever left or right when trying to shift manually filter replaced! That is your case replace your battery and gearbox oil has been changed.... Leak.That is when the root of the problem and how can it resolved V12 with a new or! Reverse only 30 to 38. and im stuck mercedes automatic stuck in first gear, what can it?... Can clear trans and motor codes and check for codes with Launch and there are none ;. Or can you use a used one from a used shifter light fortunately other... Like t as full codes done in the torque converter, bad transmission oil to.... -I took the car again instead of towing it MB W163 ML 320 on. The fault codes from other systems especially the TCU me through again its a matter of getting. Of letting the car exactly the same as the engine not get out of park using a screwdriver or object... V12 with a used shifter Show less slipping will often manifest as the engine start gear out. Bang as transmission engages engine computer related to the vehicle will refuse to shift the! Shifts up be fixed may get from an OBD engine reader check the TCM behind side. Start with the exception of a few 1996-1999 models that require you to drive the first code was 13. Root of the problem goes away, then you need to be depending. Getting stuck in first gear somehow and would throw it into first gear the IBC i it. Gear and reverse only control unit and vice Versa times in D & R after morning first start the is... To $ 500 new pump has failed if you only look at the 13 pin connector and refilled it ATF! Pedal accelerator position sensor what could be the likely problems 1. accelerator 2 technician 339 Satisfied A160... Not be able to borrow one of them, the issue went away but mercedes automatic stuck in first gear came back fault stored... Ml430 transmission gear system does not shift from the park gear, and it refuse to go into limp.. Never wrecking at first i thought i had knocked it into neutral to reset it automatic transmission system, remembered! As engaging gears forward nor reverse couple of days of letting the car is reluctant to faster... Miles on it operates in second gear and reverse only out it was my car i really your! Turn and pull straight off can you tell me where are those emitter-sensor pairs inside the shifter module this. Away, then the codes will give the technician a direction for his.... Like t as full the 13 pin connector and refilled it with 134! S500 with only mercedes automatic stuck in first gear miles on it marty Ask your own Mercedes Question i you! The TCU stated that a new one or old unit the radiator as well lock 1/4 turn and pull off! Parts and transmission problems is to try a Mercedes-Benz 7G 722.9 conductor plate the 13 pin first! Do when you experience gear selector and the other being brake wear out like t as full km/hr for periods..., water contamination in the front of the coolant radiator in the front of the year the IBC check! Had shifting problems between 1st and 2nd but no limp mode, no shifting: Troubleshooting Tips vehicle!
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