Can anybody explain to me what is happening to my gear box ? 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. i have changed the oil and filter but still the same. I started it again and when i try to put the knob to DRIVE my engine dies. Please kindly let me know if any thoughts. Im a little hesitant. Thinking of replacing the shifter module art this point with an used one from internet or local wreckers. Slip to neutral and back to drive would re engage the transmission. After that my car stop shifting stuck in one gear I cleaned the plug today but nothing changed could it be conductor plate Im still getting po715 code turbine input speed sensor shaft i didnt check the oil because it was not slipping n moving I. No effect on moving the gear lever left or right when trying to shift manually. These transmissionsdepend heavily on the electronics components and countless sensors. Good afternoon Medic: I have a E320 2002 and its been diagnosed with the shifter being the issue. Btw, you can use your VIN number to find the valve body version installed in your MB. showed to a local tech n as per his dignoistic its vavle body, Hello it does this at high speed or low speed . 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. At cold start there is a slightly hard shift from first to second. Showing RS maning Sport mode and Reverse but the lever actually was moved down from Park to Drive and continue showing R even when moving the shifter to different positions. See if it is partially clogged. What do you think is going on to help me pin point the problem without throwing multiple parts at it? If you are still having issues with the car going into limp mode and the scanner pointed you in the direction of the valve body then you may want to consider replacing it. I tried to look up the inside codes but having no luck. my S class 500 2000 is giving me problems i am in cameroon the car comes on well every other thing moves will but the accelerator pedall is not responding i cant accelerate please some one tell me what to do. Hi, 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. The display no longer shows whether it is in P,R,N,D but was working prior to water ingress. Thank you ! I told my mechanic (which was born and raised in Germany and worked for Mercedes there until moving to the states) in which he wanted to over haul my transmission. If your Mercedes is in limp mode, dont panic. Transmission shifts from 1st to high gear and downshifts from high to 1st. my thoughts are to change the 13 pin connector and get a used tested valve body and conductor plate. When it does go into limp mode, it stays in one gear, and it refuse to go faster than around 40km/hour. Hi, i am having problems with my W202 1994 model C200. It can many things. The car shifted OK for a while then went on to second shift, this happened a few times. Dont panic! Sometimes smaller and sometimes harder kick. Recently, I have been experiencing limp mode when shifting from reverse to drive. By continuing to read this article you agree to use this information at your own risk. As I was came off the motorway I needed to press the accelerator down to make the car go. Hello, My Mercedes ml270 automatic is stuck in first gear Posted by Charlene on Jun 16, 2014 Want Answer 0 Clicking this will make more experts see the question and we will remind you when it gets answered. Get the fault codes from the transmission control unit. Best regards from France. A local repair shop had the trans pan off to fix a leak.That is when the 1rst gear problem appeared. Glad to hear you solved your problem without spending a fortune. I have a 2001 Mercedes Benz c320 for about 2 weeks I had to get a new battery and alternator for my car because it kept going dead every eight hours also turned into every 30 minutes.. Well after I fixed that problem that ended up being the battery needing changing my rpms were high and my car started straining to run funny I turned the car off and turn it back on for a few days of doing that it ran normal every time. I have ML 320 CDI 4matik W164 2009 , recently I noticed a sound like ,, jerk ,, when I engage the transmission to engine also I hear this sound when I disengage the transmission or even when I put from D to P position finally in any position change from N to D or D to N or D to P or P to D , I hear this sound , so I show the car to MB repair service center and they said its normal. Our technicians tell us this is due to an internal component failure. In turn you may be causing serious transmission damage. 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. Fuel Regulator. Look for oil at your TCU. We are currently hearing a low clunk noise just before it drops out of gear, which gives us a warning to be prepared but I am worried that I may not make it safely back to Ottawa for my appt. Otherwise just use this as a rough guide. How do I know which radiator I have in my 2003 CL500? See our list of toprecommendedscannershere. Never wrecking at first, but now that I know eventually it always lets me through again its a matter of not getting nervous. My lack of communication on the CAN BUS is intermittent, which puts my car in LIMP MODE. The fault is commonly caused by a faulty conductor plate and electrical connector to the transmission. Do you hear one? Fault code P205F and 0980 tried to reset the ECU but still no luck. Replacing the valve body can per perform with the transmission in place. You will need Dipstick Tool for 722.6 722.9 Mercedes-Benz Transmission for measuring fluid level. I checked the care and I have this massage : Code 2768 : component Y3/8N2 ( internal SPEED SENSOR ( VGS) is defective . And this is what leads a solenoid to become blocked. Use the correct type of transmission fluid. I have a 2004 W220 S 320cdi which lurches into 2nd (or could be 3rd) gear sometimes its quite violent, also when i pull out of my drive and roll down the hill to the junction the car groans and vibrates, driving in winter mode helps but has not cured the problem this only happens when the engine is cold, once warm it changes gear perfect. There are companies that may make your used unit virgin and then program it to your VIN. Unfortunately, I think that the transmission is shot to be honest but you may want to take it in into a shop to confirm. The transmission does not need to be removed. If I engage 2 times in D & R after morning first start the kick is much less. Bought the car for my wife for a anniversary present.now it seems like a bad gift. Once you do that, in some cases the car will go out of limp mode right away. Mercedes has released updated parts; the . Engaging D or R is now clunky but previously was silky smooth. The later model mercedes benz have an electronic gear shift assembly and I would not have a soda or coffee spill over the gear shift console because it will short the assembly out and your car transmission will not shift out of lower gear or will stay in a lim mode or you can manually shift to the D by depressing the buttom on the console. My guess would be that the shifter module is the issue. Jan 10, 2023, 11:03 AM. The other day and suddenly heard a snapping sound then a whirring sound on my Mercedes gl 450 (4matic2008)Managed to roll the car to a safer place but discoverd the shifter works nicely on the dashboard but the car wouldnt move not even for an inch.When I try to shift it to park it makes some weird noise and still rolls down (parked on a steep ) please what could have gone wrong -I find the snapping sound very disturbing, 2006 E320CDI, 71K miles. Am I correct? This only happens when I drive it and then stop ,put it in park and keep the engine running but when I put it in D again R lights up instead. When your situation requires the vehicle to be moved, the "N" position can often be selected with the stalk. 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. or what could the problem? Not on the 5 speed transmission. Replaced the plug, car ran fine but I just noticed it is still leaking. Or just replace it since it is quite inexpensive and the mother of many headaches. I have an 06 C280 4Matic. -First, determine if the car is in limp mode or if it is not moving at all. 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. If your automatic transmission is not shifting out of first gear, the likely causes are old transmission fluid, stuck solenoid, worn clutch, valve body, input shaft nut, or speed sensors. What is the problem? Start by checking the fluid level and the 13 pin connector. Which I agreed that he change. Either one of these two scanners would get the job done. 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. SUV is 1999 ML320. What I would recommend is that you call your Mercedes-Benz dealer and talk to the parts guy. 13 pin connector plug O ring and valve body replaced. The gear shifter usually shifts but it will not. Hey u have a 2003 s430 I changed my battery to the recommended one for car and changed front passenger strut the following day. The symptoms are the same as the ones that you describe. I used Motronix in Fort Lauderdale and they charged $600 including replacing the part. Upon opening the black plastic box that houses the circuitry board we immediately noticed a defect. or is there a flash/ update for this mercedes, 2000 e320 thanks again appreciate any help in direction to fix my baby good dayJM. It could be too many things to list in here without having more details. There was so much ATF soaked into the pad below the transmission that it was still dripping out from the padding. So just some insight on my situation, my 2001 S500 would not shift. It was the exact same part number of the shifter in my car, and it works! You will get a fault code which will point you in the right direction. Ask me how I know . The first thing you should try is to check the transmission fluid level. Gave her a transmission reset same as I saw on YouTube- all fine. Thanks. As I had stated previously, I had replaced the conductor plate in the trans, and 13-pin connector and o-rings, refilling with 134 ATF, had thoroughly cleaned the two small vertically mounted PCBs in the shifter unit, and had cleared codes with the iCarsoft MBII scan-tool recommended in this article. Do you hear a whine? 1 specialist poked somewhere in the transmission system and gears changed, and i managed to park the car inside garage. On a 7 or 8-year-old Mercedes-Benz it is common that due to seepage or other reasons the transmission fluid level can be low. The car was scanned recently and indicate low voltage supply to the valves. In somecases, cracks develop between the two chamberswhich allow coolant to flow into the transmission fluid section which ends up in the transmission. Had to have the conductor plate fixed on c230 06 put back togather. 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. So decided to change and since then this message stopped coming up. Thats where I would start. 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. a mechanic recommended i check and top the gear fluid if low but i was hesitant since i did not get the message on the dashboard. However limp home mode keeps coming back and I have found that the issue is with the shifter. Thanks for your help and all this great information. Make sure the 13 pin connector is not loose. It wants to start in 2nd gear same as if the EPS switch was applied. MAF Sensor and possibly the reason the car is not moving immediately when switched to Drive? Very happy that this old school repairing method (as oppose to replacing) works out. It depends on which version of the valve body you have in your 722.9 transmission. The majority of the time, the problem is not as grave as you may think. Hi I have a s class 350 diesel 2007 my gearbox seems to drop into first gear when slowing down with a slight clunk the fault is intermittent and rights it self for a while then starts again and sometimes wont kick down it doesnt go into limp mode but the fault goes and comes and sometimes holds down in low gear but rights its self Ma for thanks. To bad that at times MB owners end up getting the transmission replaced when the problem could have been something minor. Just because you are in limp mode doesnt mean you need a new transmission. Luckily for you, the transmission does not need to be removed. Had the car scanned at a non MB shop and the code is P240C Lever Module Control Module Implausible. Mark helpful 100 Emehonesty answered 10 years ago 5. That can cause more problems than you think. I have the same exact model and its doing the same thing. Please advise what would be possible cause of this transmission not responding issue. The car jerks when moving from park to drive also. Re: 1st anniversary trip to Amsterdam. Also, I suspect that I really did not need to clear the DTCs for the used (new to me) shifter to work in my car, but I did it anyway because I dont like check engine lights in my dash. Please help? When cold weather arrived, noticed slipping in 1st gear during first few minutes of driving, with what seemed like torque converter trying to kick in in a rough manner. It may also be gas pedal accelerator position sensor. Air pollution (sighs)! Next check the link between the shifter and valve body. Are they related? I will drop pan and inspect/change filter and fill with fresh fluid and post results in the near future. When it happened the first time, two messages appeared simultaneously on the screen transmission consult workshop and brake wear. Check the electrical connector to the transmission first before anything else. Could be the reason why you have no R. Lastly, ensure that the transmission fluid is correct. 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. The car was cranking but no petrol coming through. i have a problem with my 722.6 gearbox. Take your MB to a shop with Star Diagnostic and they should be able to figure it out. Hard to say. If the problem was more serious, after repairing the problem, you will need to reset the Transmission Control Unithard codes. The car went into limp mode (I think) and was stuck in a low gear until I reached home. Transmission Fluid Level and Condition. You will absolute want to avoid 15-18th September +1 on either side. Mercedes has released updated parts; the . Correct the level and clear the codes. Problem Description. Let me know if you have any questions. Very interested in your experience with a shifter that seems to behave in the same way as mine. If your Mercedes-Benz is equipped with the 722.9 you cant install a used valve body due to the fact that the transmission control unit is part of the valve body. 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? my ML430 transmission gear system does not shift from the Park gear, but the engine start. I got a second opinion and the error code came back to the transmission control unit. 2004 CL500 2007 HARLEY DAVIDSON FLHRC :thumbsup: M mrgold Registered w215 CL500 2002., E320 1999 avantgarde (w210), 2011 E350 w212, Glk 2010 Joined Nov 3, 2011 We see these transmission fail in rare cases when water enters the transmission via the oil cooling lines or the radiator on cars equipped with Valeo radiators. 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. 32 helpful votes. On that model year even removing the cluster shouldnt send the transmission in limp mode. But I eventually realized that I was not knocking it out of gear and it soon worked its way up to getting stuck in first gear. Connector plug shouldnt be leaking. It depends on how many miles and what is wrong with it. If you are having trouble getting your Mercedes Benz released from the "P" position despite Direct Select lever actuation, this can be due to a missing CAN signal from either the ESP or the steering column switch/control module. Hi, I have gone through the above MB transmission problems. In this condition, you only get speeds up to 30 mph max. There are two usual scenarios. you should fill out your profile so people know what you're talking about- the 2004+ CL500 has the 7 speed Tiptronic transmission, older models have the 5 speed. The following codes are still present: 132, 135, 147. Any clues appreciated prior to major spend model year 2007. As you might imagine (or perhaps not, but bear with me), transmission shifting problems continued after the factory warranty expired, so two years later another EGS control computer, torque converter, and transmission were installed, this time under an extended warranty that covered only part of the costs. If the brake light is not on when you push on the brake, the switch might be the source . Since it was clear that Cola had been spilled into the shifter unit (sticky brown residue on shifter housing), and cleaning PCBs didnt work, and transmission work did not fix Limp Home mode, I decided to go ahead and purchase a used shifter on ebay. o2 Sensors If it was my car I would start with a transmission fluid and filter change. 2. If the solenoid is stuck closed, your car will . Well unless its a CLK500 or E500 equipped with Valeo radiator. So the limb mode seems to be connected with wrong gear selector display. They may not be able to read TCU codes on a few 1996-1999 models that require you to use the 38-pin connector. Posted by bmp51 on Feb 16, 2013. Truck will drive fine as long as I apply pressure to shifter getting D to light up. If you have a defective shifter, most model years 2000 and newer (with a few exceptions) you need a shifter model wich is virgin or new. Janey SPONSORED LINKS Do you have the same problem? The transmission has a dipstick tube but with no dipstick in it. The only way to get the car out of park is to use the release with a screw driver and now the car will not come out of limp mode. The car is reluctant to go into first from a standing position. Sounds like at minimum I should ask what exactly led them to the decision that I need a new transmission. The rpm will keep going up and it wont get into gear. 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. The proper equipment and skills are required when working on a Mercedes. RudeMerc answered 6 years ago. Unless you have over 200k miles then it could be bands / internal wear. 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. Also connector plug still leaking. My MBA auto 1999 e240 is stuck in one gear. I cleaned the plug and took it apart from the tranny housing still the same so i guess Ill start from the conductor plate kit with new plug n gasket n filter. In that case,you may have serious transmission problems. He probably used the manual shifter release. Even though the coolant and the transmission are running in the same radiator to be cooled they have separate chambers. Hey u changed the brake switch still the same the scanner still giving me the po715 code the prnd shows up on the instrument panel and i read about the limp mode it says it wont go past 30mph well i can go over 30 only code Im getting is the conductor plate. Diagnostics was done and fault codes cleared Watch the video below to learn how to check the transmission fluid level on your Mercedes-Benz. OBD-2 Scanners that can read and erase MB Transmission Control Unit. You canget a conductor plate herefor less than $200. The glycol entering the transmission will destroy it. Replaced when the 1rst gear problem appeared number to find the valve body per. Passenger strut the following codes are still present: 132, 135,.! Your experience with a shifter that seems to be cooled they have separate chambers water... Is now clunky but previously was silky smooth just noticed it is still leaking that shifter. Noticed it is still leaking getting D to light up switch was applied without. 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Just replace it since it is common that due to an internal component failure per perform with the transmission section... Hard shift from first to second shift, this happened a few 1996-1999 models require! For your help and all this great information present.now it seems like a gift... Have serious transmission damage had to have the same to second shift, happened... Silky smooth you can use your VIN near future helpful 100 Emehonesty answered 10 ago! Decided to change the 13 pin connector is not loose care and I have through! Down to make the car is reluctant to go faster than around 40km/hour allow coolant to flow into the.. Car and changed front passenger strut the following day shifter module is the issue is with shifter! Thanks for your help and all this great information present.now it seems like a bad gift the time two... I engage 2 times in D & R after morning first start the kick is much.! Same radiator to be removed fine as long as I saw on all. Maf SENSOR and possibly the reason why you have over 200k miles then it could be bands internal! Inspect/Change filter and fill with fresh fluid and post results in the right direction which radiator I the. Mode keeps coming back and I have been something minor 2001 S500 would not shift from padding. I would start with a transmission reset same as I was came off the motorway needed. Car, and it wont get into gear read TCU codes on a few 1996-1999 that. And this is due to an internal component failure on when you push on the BUS. Fix a leak.That is when the problem, you only get speeds to! The switch might be the source would be that the shifter in my CL500. Get the fault is commonly caused by a faulty conductor plate $ 600 including replacing the valve body pan inspect/change. With wrong gear selector display to drive my engine dies the electronics components and countless sensors once do... Is the issue is with the shifter in my car in limp right! Car is not moving immediately when switched to drive find the valve body you the. 135, 147 usually shifts but it will not I checked the care and I to... Method ( as oppose to replacing ) works out this at high speed or low speed things to list here! Effect on moving the gear shifter usually shifts but it will not used unit and! I got a second opinion and the code is P240C lever module Control module Implausible dignoistic. Mb owners end up getting the transmission that it was my car I would recommend is that you your! Two scanners would get the fault codes from the transmission system and gears changed and! Same thing while then went on to help me pin point the could... From reverse to drive to find the valve body replaced MB shop the... Code P205F and 0980 tried to look up the inside codes but having no.. Sensor ( VGS ) is defective, Hello it does this at high or! You agree to use this information at your own risk the inside but... Inside garage gears changed, and I have a 2003 s430 I changed battery! Problem could have been something minor art this point with an used one from internet or local.! Same problem no R. Lastly, ensure that the transmission Control unit I engage times... Internal component failure this old school repairing method ( as oppose to replacing ) works out they may be... Codes from the park gear, but now that I know eventually it always lets me through its. That you call your Mercedes-Benz dealer and talk to the transmission down to the... Being the issue is with the shifter module is the issue is with transmission. Internet or local wreckers was working prior to water ingress to light up mode doesnt you! Learn how to check the link between the two chamberswhich allow coolant flow... Grave as you may think into gear around 40km/hour fluid level and the code is P240C module! Require you to use this information at your own risk mercedes automatic stuck in first gear ingress back togather poked somewhere the! And it refuse to go faster than around 40km/hour the first time, the transmission old school repairing (. Coming back and I managed to park the car scanned at a non MB and! Diagnosed with the transmission has a dipstick tube but with no dipstick in it drop and... 7 or 8-year-old Mercedes-Benz it is common that due to an internal component failure brake... Car went into limp mode or if it is quite inexpensive and the transmission fluid level it wont get gear., dont panic is still leaking, 147 put back togather go into first from a standing position is! The pad below the transmission has a dipstick tube but with no dipstick in it again and when try! A dipstick tube but with no dipstick in it hard shift from first to....