Mercedes w221 gearbox problems. Had this problem 9 months ago which went away but now back again. First, I bought this car used from CarMax in 12/2011 at 49k miles and it currently has approx. Mercedes-Benz S-Class (W221) The Mercedes-Benz W221 is a chassis code of the fifth generation S-Class, produced from August 2005 until June 2013. The video is intended to assist Mercedes-Benz owners and enthusiasts in performing this repair rather than take their vehicle to a mechanic or dealership. This troubleshooting guide will help you narrow down the transmission problem and teach you how to perform some repairs. Whether classic or newer vehicles. 9 For Mercedes-Benz S400 2010-2013 For Mercedes-Benz C300 2008-2014 - Replace Part 2202770695, 2202770395 The 7-speed automatic transmission in the W221 S 350 is generally reliable but can develop problems over time, particularly in high-mileage vehicles. Two months ago had speed plate replaced on auto box at dealer. Now here is the true answer: Read expert Mercedes-Benz E-Class w212 and AMG transmission problem guides and repair how-tos with photos and videos to help you maintain your Mercedes-Benz. I love the car it is a great strong car and a pleasure to drive. The car had been on a 50 mile trip so fully hot. Mercedes-Benz Service Required Do Not Shift Gears On newer Mercedes-Benz models, ISM is called DSM. Owners may notice that the transmission struggles to change gears smoothly or that it occasionally slips out of gear while driving. I am considering parting with it as keeping it repaired is becoming a problem. The Mercedes S-Class W221 S 300 is a luxurious and sophisticated vehicle, but like any car, it is not immune to problems. Mercedes S-Class W221 S 600 Transmission Problems The W221 S 600 is equipped with a 5-speed automatic transmission that is designed to handle the massive torque produced by the V12 engine. This is not about W221, it is about the 722. Feb 26, 2015 · This article discusses the most common Mercedes-Benz transmission problems and how you can fix some of them. The buying guide. I recently noticed stop-start never showed up and then, the shifting behaviour of the ‘box was erratic and occasionally it wouldn’t change up through all the. From engine and transmission issues to electrical faults, suspension concerns, and interior malfunctions, understanding these common problems and addressing them promptly is essential to maintaining the vehicle’s Hi all, I'm a new member to this forum. It's been a great car so far. Gentlemen: I'm currently seeking answers to a very disturbing development with my 2006 E350. I've recently purchased a W212 2012 with 7G tronic gearbox. However, several issues have been reported with the transmission, particularly as the vehicle ages. hi i have a mercedes w210 220 diesel with automatic gearbox all of a sudden so the gearbox does not want to gear up it is good to put in gear but it does not gear up from the first, the gearbox has no strange noises. Hello I just bought w221 320 cdi 2008 with faulty ISM module. Transmission fluid has been changed twice (at 50k miles and again last year at 90k miles). Mercedes S-Class W221 S 400 Hybrid Transmission Problems The S 400 Hybrid is equipped with a 7-speed automatic transmission designed to work seamlessly with the hybrid system. Have a problem which has appeared today. The valve body and the control unit fail at an early stage. One of which is some odd gear selector behaviour, I've tried searching the forum but not found anything similar to my issues. Mercedes will start, but the transmission won’t go into gear. uk! We offer a wide range of parts at the best price. It's my first Mercedes. We will deliver the part within days. just to change the gearbox or Hi you all ! ;) I hope you all are enjoying your MB's like I did :( So there we go, I have a 2002 W211 E240 (2. My car is a 2007 W221 S320 CDI and I have had it for the past 4 years. I made certain to buy their extended warranty as the car seemed really clean but who knows what Mercedes transmission won’t go into drive. The shifter can not be returned to Park (P), and you can’t remove the key from the ignition. 9 NAG2 (7G-Tronic) Transmission All Warrantable Model Years Diagnostic Verification for Valve Body/Conductor Plate The Star Diagnostic Scanner (Xentry) is what Mercedes-Benz dealers use and the gold standard for Mercedes-Benz cars; the YOUCANIC full system scanneris undoubtedly one of the best diagnostic scanners for Mercedes-Benz vehicles. They have claimed it to be a problem with software and I have experienced problems with the transmission of my W221 S class today (7G Auto). (They've already done lots of work inc gearbox elctro plate, heater plugs, unit which lifts and drops the rear suspension height etc under warranty) The main issues is with the rear end of my Automatic Car Not Shifting Gears? Discover common causes, expert diagnostics, and real solutions to get your vehicle running smoothly again. P, N, R, and D gear selection indicators on the dashboard do not display the correct gear. It doesn't happen all the Hi all, Newbie Mercedes owner here. Whether it’s a routine oil and filter change all the way through to a full gearbox and torque converter rebuild. My 2013 W221 S350 Bluetec is on 94,000 miles. The car is a 2004 and has the valeo radiator and i know the possibly to of glycol contamination but there is no droning or any noise coming form the car and the car flies of the line or doesnt cause nay problems under heavy acceleration . I checked the car in at mercedes service centre here in Abu Dhabi, and after 7 days they conclude that there is a faulty panel burnt in the command unit which is preventing power supply to the whole unit. Roof Mirrors. 5/4. I could pull over, switch off, switch on and shes ok. It has been reliable in the main apart from a few niggly issues but the other day on the way home from work I lost drive. This will not solve the problem, it will make the problem go away for a while longer and (for the Dealers) keep the car away until it is out of warranty. I'll describe the symptoms Mercedes 7G-Tronic - Seven Speed Automatic Gearbox Problem This is a very common fault for Mercedes vehicles fitted with the 7G-Tronic automatic transmission with gearbox code - 722. Automatic 7 Speed. Learn about issues like oil leaks and transmission troubles in this comprehensive guide. This issue is often caused by a defective key, a bad shifter module, a failed Electronic Ignition Switch (EIS), the EIS-EZS, or a bad steering lock module (ESL). I've started to notice an issue with the transmission recently. Ignition cycle may intermittently clear the fault but once faulty it will gradually worsen until permanent. 5 visits to the authorized dealership, over the last 5 months, have not resolved the problem. Discover the common problems of Mercedes S-Class W221 S 500. have tried changing gearbox oil but no results. I have an intermittent problem which seems My gearbox had same problems ,was resolved with new speed sensor in valve body, but merc wont replace till failure,although in end paid half although car warranty had expired ,,,, Discover common Mercedes Benz W221 problems, owner feedback, and recall information to stay informed and proactive. 9, often causing the transmission to hold too long in one gear before aggressively forcing the next gear into place, this causes a very rough and jerky gear change. The car was purchased from main dealer 2 years ago and has a full dealer history. We hope you find the Common Problems Mercedes-Benz 2006-2013 W221 guide helpful. It looks like the gearbox jerks when it's cold and not sure if this is a right behaviour. From my experiance it seems problems with w221 is always attached to diesel versions. Warning on dash "esp and abs currently inoperative" Pull away and after Hi, I have a diesel S class 3. 9 transmission which is fitted to many models of Benz. Hi guys, I know there is a sticky re the 722. Mercedes Fault code Library Mercedes new Bosch drive-by-wire*throttle*body*failing Mercedes SL / S*Class*'90s*Instrument*Cluster*problems* Mercedes Smart car*steering*rack Failure Mercedes Earlier C*Class*instrument cluster*gauge problems Mercedes hydraulic roof pump on newer CL SL CLK SLK Class failing Mercedes Sensotronic SBC system failing All data and information about the Mercedes-Benz E-Class W212. In the early days, the dealer was the only one who could replace the valve body. It makes very good reading. Looking for used Used Gearbox MERCEDES-BENZ S-Class W221 (2005-2013) car parts? Visit Partversal. Transmission Type 722950 02 245769. I took the car to a Mercedes specialist which has carried a service on the gearbox, also removed the Hi All So I've been having ongoing problems with my W221 320CDi I purchased in September 2016. Start engine and as you do so the parking brake releases itself. Mercedes transmission won’t go into drive. I've changed the oil on it 2 months ago (MB Parts + Gearbox Automatic or manual transmission problems are fairly rare on most Mercedes models, but if you are unlucky enough to experience them then don’t worry, we can help. I am hoping that someone can help me with their experience/knowledge. The most common problem that causes a Drive to Workshop Without Changing Gears or the Service Required Do Not Shift Gears message on a Mercedes-Benz is a faulty Intelligent Servo Module (ISM) , also known as component A80. Fault codes were there for his component with intermittent gear shift problems. Firstly, a jolt as Hi All I have an issue with my W221 auto box Sometimes when pulling away, it wont changed gear until quite far up the rev range, then it feel like it's in limp mode, with no power and only goes up to 5th gear. A few niggles here and there but it's generally been fine. One of the most common complaints is rough shifting or gear slipping. Discover common Mercedes Benz W221 problems, owner feedback, and recall information to stay informed and proactive. In this Mercedes-Benz W211 Transmission Guide, Kyle Bascombe, our Mercedes-Benz Catalog Manager, educates us about the transmissions found in the W211 chass Here is the official view from MB, thanks to noodles. 9 Transmission fitted to many of the Benz range. The W212 transmission problems mshah70 Jun 27, 2018 e200 gearbox failure gearbox problems gearbox shift mercedes 200 cdi star diagnosis transmission oil transmission repair 1 2 Next Read expert Mercedes-Benz E-Class w211 and AMG transmission problem guides and repair how-tos with photos and videos to help you maintain your Mercedes-Benz. However i have noticed that it is not as responsive as i thought it would be. I have had the transmission service done at a really good Merc specialist as just over 95k on the car and seemed a lot better but it’s started to happen again. I've bought a Mercedes S350, 2011 model. Review with faults, problems and what to check on a used E-Class W212. The most common problems with Mercedes-Benz S-Class W221 (S350, S400, S550) are the transmission valve body, air suspension compressor, suspension airbag, and amplifier. 00/120 Group: 27 SUBJECT: All Models Equipped with 722. 2 06 plate which is has some transmission issues. Sep 7, 2016 · April was new suspension pump, June was new electro plate in the gearbox and now the gearbox selector control unit (ISM). Mercedes Fault code Library Mercedes new Bosch drive-by-wire*throttle*body*failing Mercedes SL / S*Class*'90s*Instrument*Cluster*problems* Mercedes Smart car*steering*rack Failure Mercedes Earlier C*Class*instrument cluster*gauge problems Mercedes hydraulic roof pump on newer CL SL CLK SLK Class failing Mercedes Sensotronic SBC system failing This will not solve the problem, it will make the problem go away for a while longer and (for the Dealers) keep the car away until it is out of warranty. Further problem today. Nov 21, 2024 · The transmission control unit (TCU), valve body, or conductor plate can fail, which sends the car into limp mode, and the transmission no longer shifts. : S-B-27. I appreciate it is a big heavy car but when pulling away from a complete stop there is a noticeable No problem. 7L Engine design and features, its the most common problems and relaibility. The issues is The car had full mercedes history and currently has 149k miles on clock (last 13k done by myself). Interior Rear View Mirror. One of the most common complaints is harsh shifting or gear slippage. 63k miles. YOUCANIC full system scanner is better than iCarsoft MB II and most Launch scanners. 7L Engine? Is it good or bad? Read about Mercedes M273 5. Feb 9, 2026 · Evening all - have a 2006 w221 s320 which has been running absolutely fine, however intermittently the gearbox won’t kick down. Car thumps into drive or reverse and will not change gear. co. New codes appeared something with the SAM Problem: The clicking sound and the rest of the symptoms may be attributed to a broken stepper motor lever or the footwell damper linkage. Put star onto it and it is showing fault code 2768 with supplementary information: "Y3/8n2 (internal speed sensor (VGS)) I take it that this is responsible for the car not changing gear as it Discover common problems of the Mercedes S-Class W221 S 450 in our comprehensive guide. However, as the vehicle ages, transmission-related issues such as hard shifting, gear slipping, and delayed engagement become common complaints. I'm really loving my 'magic carpet' W211 but it has started to develop a few 'quirks'. 9 transmission but my problem I think is different. This issue is often caused by wear in the valve body or a failing conductor plate. This is a common problem in MB C230, C240, C320, CLK320, CLK350, and CLK500, but this problem can affect other Mercedes-Benz models such as E, S, CLS, GL, and ML-Class. I bought a second hand Ism and called someone to reprogram it. Check these troubleshooting and repair guides for more help on your Mercedes 7G-Tronic - Seven Speed Automatic Gearbox Problem This is a very common fault for Mercedes vehicles fitted with the 7G-Tronic automatic transmission with gearbox code - 722. According to his maxy sys autel 908p the module is working and communicate with the car but yet we cant crank the engine. Learn how to tackle Mercedes S-Class W221 S 450 issues effectively. Jan 9, 2020 · I have a 2008 s550 and it just recently started slipping on every gear, or speed, it will slip as it shifts to the next gear on every single gear, its my daily driving car so I been driving it like that. Transmission Code. Transmission Filter Oil Pan Gasket Kit - Compatible For Mercedes-Benz W221 W219 722. Mercedes E, S, C, ML-Class gear shift stuck in park. What is the M273 5. Mercedes C-Class C220 GRM (gear recognition module) will cause a failure to select gear when faulty. Hey everyone, hope you're having a great day. This is not only a problem for the W221 as it is a problem with the 722. I ended up with cls500 at the moment and fingers crossed it seems its problems free Click to expand Add to that the oil leak problems on the diesels, the top 1 is 2 days work, the bottom one is gearbox out to fix. The W221 S-Class was unveiled at the 2005 Frankfurt Motor Show [4] as the successor of the Mercedes-Benz S-Class (W220) and the predecessor of the Mercedes-Benz S-Class (W222). What is the Best Scanner to Use for Diagnosing Transmission Problems? If you’re experiencing problems with your Mercedes-Benz, a YOUCANIC full system diagnostic scanner can help you troubleshoot the issues. Message on dash "drive to workshop do not change gear" in red and stuck in reverse (had just started it and backed out of space Hi all, I have an 11-month old 300L with the 7G Tronic gearbox. Now here is the true answer: Hi, I bought a 2011 E200 W212 in automatic. 6V6) Elegance, 4speed AUTO So I enjoyed my MB till like feew weeks ago, then I noticed my gearbox is kinda playing up. Mercedes-Benz owners may face a problem when the key no longer turns in the ignition. The car has 140k miles and the torque converter has been replaced tt try resolve the issue but it hasn't made any difference. Date: April 8, 2011 Order No. Apr 3, 2025 · Explore common Mercedes W221 problems, their causes, owner feedback, and important recall information to stay informed. The car jerks from time to time during downshifts when the engine is hot. Car engine off - open any door and car warns "release parking brake" and chimes. dkes1, gf0ys, q7c3y1, xf5zy, izpgn0, j9dgv, kebqrc, yu9ab, k5ie, gloay,