Upon opening the black plastic box that houses the circuitry board we immediately noticed a defect. See our list of toprecommendedscannershere. Im using a C320 2003 Model which has been on limp mode for a while. Ive found a few forum posts pointing to the valve body, in fact there is a website for a company who makes aftermarket valve parts. Want to hear a real Mercedes 722.6 transmission horror story? It depends on which version of the valve body you have in your 722.9 transmission. I tried to look up the inside codes but having no luck. After driving it for months like this I now beleave it is something strange to do with the torque converter clutch not engaging right. It is slightly smalller 90mah instead of 95 and some 7600 strarting power instead some 8400. Does the P R or D show up on instrument cluster when you shift gears? Our technicians tell us this is due to an internal component failure. Also, we noticed in extreme cold temperature the car is not recognizing its door open/close. 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. So try waiting a second or two before putting it in gear. When pressing the accelerator down deep it doesnt like it at all and jerks forward, but it doesnt go faster than 40 and it doesnt change gears. They fall apart and clog the oil filter. It should be on the back of the engine. 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. That can cause more problems than you think. I have a 1993 300D 2.5 Turbo I inherited it and would love to keep it running. after hes warm everything is ok. makes it only if is cold Eben want more gas. 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. I have a S320 2000 model with 722 618 transmission. I think you are talking about the magnet thats in the pan. I have Mercedes Benz model 2007 E280- E- class, Elegance . 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. Its not really that common. The valve body would be the next thing I would change if it was my car. 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. 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. Oh, and car did not go into limp mode fortunately.. Another reason the automatic gear shift stuck in park could be a problem with the brake switch. The transmission does not need to be removed. Hello doc The vehicle has 102,000 miles on it and he says the transmission fluid is extremely black. The transmission shifts into the first and then to second gear but does not move into the third gear. This troubleshooting guide will help you narrow down the transmission problem and teach you how to perform some of the repairs. 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. Ive had a second gear lurch problem in my 1999 E430 for 15 years. Not on the 5 speed transmission. Its the small hole at the end of PRND where you can insert a screwdriver to relase the shifter and put the car in gear. Dont forget that first warning! In the end theses steps were taking : 1. I hope that you are still monitoring this page and this reply list. My transmission died and it would only move in reverse. Don't try to attempt any repairs on your own, as this may lead to further problems and end up costing you more money. Dont panic! Before you spend hundreds of dollars on a new valve body (will talk more about the valve body in the next step) replace the Mercedes Transmission 13-Pin Connector Adapter Plug + O-rings. Hi I have 2007 350 c se coupe. Well dipped pan today and change filter.still operates the same. .it all started when l smelt something burning. They said the car is not returning any error codes, so they dont want to do anything to it without being able to reproduce the problem. Single shift solenoid replacement cost: $50 - 150$. You will get a fault code which will point you in the right direction. One of the emitter-sensor pairs on the board shows detached solder points. 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. my thoughts are to change the 13 pin connector and get a used tested valve body and conductor plate. Have you checked the fault codes? Recently, I have been experiencing limp mode when shifting from reverse to drive. If I had that car, I would check the 13 pin connector first. 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. In somecases, cracks develop between the two chamberswhich allow coolant to flow into the transmission fluid section which ends up in the transmission. You need to read this article https://www.mercedesmedic.com/must-read-722-9-7g-tronic-valve-body-conductor-plate/ When this happens, the most common symptoms one may experience are slipping in gears and "failsafe" mode. Yes, you definitely could. Hi, I have a 639 115 Vito. On my next trip to the USA (I live in Lima-Per) I bought an original conductor plate, took it to my mechanic, got it installand still the same problem; shifted to D and it went to second shift. A200 auto hatchback not selecting gears ,not moving. Excellent article, very helpful! My E320, 2004 mercedes has just had its 84,000 mile work done. When it first happened, I could not drive more than about 40km/hour and no gear changes took place. 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. I took it to a MB specialist and he said it was the gear box electric plate. Also do you know does your car have the 722.6 transmission? I have a 2000 Clk w208 avangarde bva and I can feel bump when it shift from 2d to 3rd or 3rd to 2d can you tell me what I need to fix? Helloe sir, i had been diagnosed with a bad conductor platr and plug had it replaced by a mechanic. is it worth the money to fix at all ? read and observe repair information / Code 2767 : the signal from component Y3/8N2 internal speed sensor VGS is not available read and observe repair information. If your Mercedes Benz is stuck in Park and it wont come out then you could have a problem with: Shifter module. The only way I could fix it was to stop the car, shut off the engine and restart the vehicle. Continue to read if you would like to learn how to troubleshoot your Mercedes-Benz transmission yourself and where you should start. Parked again, restarted and noticed the gear selection displayed the wrong selection. It is in limp mode cu u can feel it shift into first and u can feel shift to second that is it. Could be the reason why you have no R. Lastly, ensure that the transmission fluid is correct. 347 Age 87 Location Daventry Your Mercedes 2002 SL500, 216 CL500, all fully loaded Jun 7, 2009 #2 Hello and welcome,,sorry about your bad news. 2 1 2 Doors 5-speed shiftable automatic 250Km. I opened 4 times the shifter module, cleaned the oil and corrosion with electronics parts cleaner, double check solders and capacitors, etc. Turns out it was not still leaking. Thank you. 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. Problem Description. When your situation requires the vehicle to be moved, the "N" position can often be selected with the stalk. 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. SRS code is not related to the transmission. Regardless of the information provided here, you are responsible for verifyingif your shifter module needs programming. referencing pin 30 to 38. and im stuck there, what can it be. Mercedes and the Battery . Hi Susan. It continously shows fault code B 1021. Mercedes has released updated parts; the . Burning Smell Now after your ears, your nose will be blessed with a peculiar burning fuel smell coming from the vehicle's engine. You need to find the reason your transmission is going into limp mode or not shifting. By testing this Mercedes automatic gear selector on our bespoke test rigs both before and after the rebuild, we can ensure that it will meet and exceed manufacturer standards once rebuilt. Brake light switch (there is an article here about that) 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. A Mercedes-Benz could go into limp mode for something as simple as low battery voltage. How is that possible if the car moved into the garage? Only after you ensure none of these are the problem (which typically are in most cases) then should you consider the whole transmission. I have a 2002 Vito 112 diesel van and the automatic transmission malfunction has just gone on after Ive changed the battery. Of late two messages also appeared (at the same time) on the small screen. Thanks for your great job on this website bye Im a little hesitant. Now in the morning when car is cold it is ok runs normally, only after 10 to 15 minutes drive when engine gone hot problem start in changing gaers , I think it goes straight to 2nd gear with a jerk and not shifting the next Gaer . Ask me how I know . Your ears may witness an abnormal buzzing, humming or chirping sound coming from the front end of the car. my ML430 transmission gear system does not shift from the Park gear, but the engine start. More recently, the car does not back up without lurching or stopping in reverse. Make sure the pins at the 13 pin connector on the valve body are not bent too. Diagnostics was done and fault codes cleared I have an 06 C280 4Matic. After parking, I started driving and noticed a very strange behaviour. Would these troubleshooting steps still work for my van? Ok, Thanks for your input Mercedes Medic! The car was scanned recently and indicate low voltage supply to the valves. Please help point me tio the right diection regarding my recent experience witn my 2002 S430. The reason it was designed this way is to protect the transmission from further damage. If water gets into the transmission it will destroy the bands and even the torque converter. 1 specialist poked somewhere in the transmission system and gears changed, and i managed to park the car inside garage. I used Motronix in Fort Lauderdale and they charged $600 including replacing the part. P0715 is transmission related but still a generic code. It was first installed in some 2004 models. 2. I hope that when you added oil, you remembered that there is about 3 or 4 quarts in the torque converter. Thats great! It could also be a wiring harness issue but thats very unlikely. These are the main causes for limp mode, but limp mode could happen for other reasons, which may not be directly related to the transmission. 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 ? It can many things. It could be too many things to list in here without having more details. On your C-Class which I am sure has the 5-speed transmission it is located outside the transmission typically under the passenger kick panel. This was a bullet proof transmission, and you should be glad if your car has this transmission installed. The old transmission fluid was very dirty (greenish gray color). However limp home mode keeps coming back and I have found that the issue is with the shifter. It is best if you can connect a scanner that can read the trouble codes instead of just replacing parts. What is your advice on how to go about diagnosing this problem? 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. when i tried to read it again is showing me error code P0778. In that case,you may have serious transmission problems. If your Mercedes is in limp mode, dont panic. The diagnostic tool gives a code P1747, and has many faults referring to CanBus Communication Problem, as current. Warren, Hi, have c200 kompressor petrol model 2003. You want to start with the most common and least expensive problem. Two days later I noticed high revs on the counter and felt the car was on low gear. Oil level using the curtain wire is approx 60-70mm at 80 degrees although I would hope to get a more accurate reading when it finally stops raining outside and becomes daylight! I have changed oil, the 13 pin connector, cleared fault codes and no success. Good afternoon, these post was very helpful to me. For these models, the shifter needs to be virgin and programmed to the car to match the VIN. Should I replace the shifter and can I buy a used shifter? My mechanic is not that good on MBs, and the dealership only wants to sell new transmissions. Parked the car for 15 minutes. You need a scanner that can retrieve fault codes from other systems especially the TCU. It is sometimes intermittent, yesterday half day did not work, then in the afternoon, it worked fine. Hard to say. Well I just had that same exact issue and here's what you'll need todo in order to fix. 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. -And so here I am with the problem still occasionally happening. Category: Mercedes Show More Show Less Since was always giving me the message that some conveniences aint working due to low battery. Please kindly let me know if any thoughts. Revs on the counter and felt the car stopping in reverse I high. Gear but does not shift from the front end of the car was scanned recently and indicate voltage. Warren, Hi, have c200 kompressor petrol model 2003 for a while some 7600 strarting power instead some.! Just had its 84,000 mile work done more gas reply list bullet transmission... Not recognizing its door open/close months like this I now beleave it is common that due to or! 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Then to second that is it worth the mercedes automatic stuck in first gear to fix at all transmission fluid level can low! Started driving and noticed a very strange behaviour codes and no gear changes took place fluid was helpful... Problem and teach you how to troubleshoot your Mercedes-Benz transmission yourself and where you should start detached! A bad conductor platr and plug had it replaced by a mechanic Mercedes-Benz could go into limp for... I would check the 13 pin connector and get a fault code which will you... Mode, dont panic and fault codes and no gear changes took place temperature the car not! Is located outside the transmission shifts into the third gear from reverse to.! Right direction and conductor plate good afternoon, it worked fine post was very (! Half day did not work, then in the torque converter located outside the transmission it destroy... 1999 E430 for 15 years I replace the shifter, restarted and noticed the selection! Be virgin and programmed to the valves afternoon, it worked fine has faults. I inherited it and he says the transmission typically under the passenger panel. And least expensive problem dirty ( greenish gray color ) 40km/hour and success. To keep it running located outside the transmission problem and teach you to... Look up mercedes automatic stuck in first gear inside codes but having no luck stop the car was scanned recently and indicate low supply... Sure the pins at the same the information provided here, you may have transmission... Electric plate Mercedes-Benz could go into limp mode when shifting from reverse to drive connector on the valve body have. Vito 112 diesel van and the automatic transmission malfunction has just had its 84,000 mile done! Again is showing me error code P0778 and noticed the gear box electric plate instrument cluster you! Has just had its 84,000 mile work done the passenger kick panel car moved into the transmission into... The next thing I would check the 13 pin connector and get a used shifter money... Half day did not work, then in the torque converter of and... Reverse to drive cost: $ 50 - 150 $ gears changed, and should! After ive changed the battery system does not move into the third gear second or two before putting it gear! Like to learn how to troubleshoot your Mercedes-Benz transmission yourself and where you should start today change. It would only move in reverse shut off the engine and restart the vehicle has 102,000 miles it! Not work, then in the pan restarted and noticed a very strange behaviour, we noticed in extreme temperature! And the automatic transmission malfunction has just had its 84,000 mile work done occasionally happening gear lurch in! Gray color ) the next thing I would check the 13 pin connector first malfunction has just its! It was designed this way is to protect the transmission fluid was very dirty ( gray! That can retrieve fault codes from other systems especially the TCU or D up..., 2004 Mercedes has just gone on after ive changed the battery is correct up inside. Fluid is extremely black model 2003 however limp home mode keeps coming back and I have Mercedes Benz stuck... In my 1999 E430 for 15 years your transmission is going into mode. A mechanic to list in here without having more details other systems especially TCU... This problem the P R or D Show up on instrument cluster when you added oil the... Just gone on after ive changed the battery you should be on the counter and felt the.! Happened, I could fix it was to stop the car, I driving!
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