W221 problems There is a way to stop this Aug 18, 2021 · I noticed that after I bought this car when I press the parking brake pedal down it puts a red malfunction light on the dash in the messages. On the downside, all these advanced systems can break down. Feb 14, 2023 · The common problems with the Mercedes S-Class W221 include air suspension failure, transmission failure, window challenges, fragile level height sensor, air suspension airbag failure, auxiliary battery issues, amplifier problems, A/C blower failure, and many others. - by Resetting the Electronic Parking Brake. why May 4, 2024 · Well, I’m surprised to be writing this but I have to endorse the Fuyao windshield replacement for my W221. You are of course going to have normal wear and tear items like tires, brake pads. 5 stars out of 5 for reliability, but this can depend on the car’s model, year, mileage and how well it has been maintained. Sep 18, 2016 · Doing so splits answers, so that members cannot see what help you have been offered, or whether the problem was fixed, in one location. (But now convinced thats not Mercedes-Benz owners may face a problem when the key no longer turns in the ignition. These faulty gears wear out prematurely, excessively, and without warning, causing Discover the common problems of Mercedes S-Class W221 S 600 and their solutions. 9 automatic transmission by Mercedes-Benz is an electronically controlled gearbox with seven forward gears and two reverse gears. FULL STORY of MERCEDES W221 ! ALL PROBLEMS ! WHY I LOVE IT SNG Garage Eng 6. Rear trunk consumer battery drains within a few hours. However, despite its reputation as a flagship model, the W221 S 65 AMG is not immune to issues. Still drawing battery down. Should you buy a Mercedes S-Class W221 if you want a reliable luxury Mercedes. The valve body and the control unit fail at an early stage. It lives on a trickle charger unlocked in a secure building. The moment I would get to 18km/h the Oct 23, 2023 · What are some typical problems with the Mercedes-Benz S-Class models? Some common Mercedes-Benz S-Class issues reported by owners include problems with the air suspension system, the transmission, and various electrical components. The 722. However, the S-Class is also a complex and expensive car with some common problems Sep 7, 2016 · From my experiance it seems problems with w221 is always attached to diesel versions. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a passionate group of fans who come together to share news, information, and our love for this iconic brand. If your transmission is stuck in limp mode, DON’T PANIC. Dec 6, 2011 · W221 S320 Cdi Engine Problems. This troubleshooting guide will help you narrow down the transmission problem and teach you how to perform some repairs. 7-liter gasoline V8s based on M272 V6. This doesn't happen all the time, may be 20% or so. The 550. Many C300 owners have reported AC issues, ranging from not blowing cold air to only working intermittently. This guide covers some of the most common problems affecting Mercedes-Benz vehicles with Active Body Control (ABC) hydraulic suspension. What should you choose? I decided to compare the reliability of these vehicles. Learn about issues like oil leaks and transmission troubles in this comprehensive guide. 5-liter and 4. Either 2010-2011 (refresh with old engine) or the 2012-2013 (refresh with new engine). Any ideas please. Ruled out a bad module as other things it controls were functioning properly. I May 18, 2013 · So a friends 07 s550 drivers side window stopped working. Abc suspension has problems like the pump , could run a few thousand with labor to change. Mercedes produced specific models with defective gears in their balance shafts (M272 engines) or with defective idle gears ( M273 engines). Mercedes-Benz owners may face a problem when the key no longer turns in the ignition. I've read the codes and I see 690200 Sensor Can Bus: Can Bus Off Fault. 4K subscribers Subscribed May 23, 2018 · (05-23-2018, 07:01 PM)justinbla Wrote: Hello, i Hope anyone can help, i bought a new Car, this s class had adjustable rods to the Level Sensor, Front and back. If the oil infiltrates into the ECU you're looking at a repair bill of $10k or more. Jan 10, 2024 · Is the Mercedes S-Class a reliable car? According to What Car, the W221 is a robust machine with plenty of high-mileage examples that are still safe on the roads. Operator selects heat but gets whatever temperature air is outside. 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). ahowong any stations so do the DVD and bluetooth it's just blank no sound at all in car I took car to mercedes themselves and they said TV TUNER May 6, 2025 · However, like any complex luxury vehicle, it has its share of potential problems. Just pay attention to the car, a Mercedes will go for a long time als long as you can maintain it. However, like any high-performance vehicle, the W221 S 63 AMG has its share of recurring problems. It is laminated and “solar coated” and has the exact same blue/purplish hue as the factory front and rear glass. One of the most common problems with the Mercedes-Benz S-Class W221 chassis is the amplifier’s failure, resulting in the unit not turning on or having no sound. While it may seem like a major problem, there are several reasons why your Mercedes screen may not be working, and luckily, most of them have simple solutions. It was perfect all the way home from Essen last week then the fault came up this morning. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. 9 automatic transmissions, common problems, troubleshooting tips, and frequently asked questions. Apr 27, 2018 · Well more by luck than judgement. Battery load test is good. Keep reading to learn the best way to fix your Mercedes air suspension system. Ensure your Mercedes S-Class W221 S 300 runs smoothly with expert advice. Aug 12, 2023 · Knowing the M278 with its inherent issue is the oil seepage from the camshaft position sensors and camshaft solenoid adjuster magnets into the wiring harnesses that lead to the ECU. I got a new battery and it still doesnt work. Any suggestions… Jun 18, 2025 · Discover the W221 S Class Mercedes elite comfort, Airmatic/ABC suspension, Pre‑Safe tech…and the costly issues to check before you buy. Here's the scenario: I'm driving at a constant speed of 50-70 mph and I'll step on the gas to pass another car or a Jul 2, 2020 · Let it sit overnight and the battery will be completely dead in the morning. Click to expand I have experienced W221 S500 struggling to go uphill. May 14, 2021 · Hi everyone, I'm new to this forum and I'm hoping I can get some input/answers with my issue. What is the M272 3. Here's how I fixed it. I looked a two S63s and could not justify the cost of brakes and other AMG bits for how intended to use the car. 0 and completed a scan, but it failed to establish comms with the front right (UK) SAM module. Jun 18, 2017 · Your problem is most likely this: 90A907 - the actuator motor for the right blend air flap has a malfunction. Car engine off - open any door and car warns "release parking brake" and chimes. 4K views 5 replies 6 participants last post by Jeffy Wu Dec 11, 2019 O The Mercedes S-Class W221 S 65 AMG is the epitome of luxury and performance, offering unmatched comfort, cutting-edge technology, and a monstrous twin-turbocharged V12 engine. The problem is : not starting all the time- the fallowing errors on screen (run flat indicator inoperative and esp inoperative see owner manual) sometime if i connect a jumper to the battery is starting Dec 15, 2019 · Hi all I'm new to this group but it seems very supportive from what I read . Unfortunately the cause was not a simple speed sensor. Feb 14, 2020 · However look at the W221! The exterior of this car not only looks great even today, but it’s also more interesting than the exterior of the newest W222 S class! And the cost reduction with the new tech? Well, it seems like at this time Mercedes woke up, cut most of the cost reduction to an optimal level and fixed numerous things which were not acceptable in the predecessor. It is important to accurately diagnose the problem before you rush to replace the windshield washer fluid pump. It has Dec 19, 2013 · Problem with my radio W221 Hello, I have the same problem as wywywywy member. Feb 5, 2008 · I have a W221 with about 23,000 miles on it (S65) and I beat the CRAP out of it. It is essential to be familiar with the usual weak points. I discovered that the culprit is right side exhaust camshaft adjustment magnet has oil leak into the harness. There is a mechanical fault Its blending hot air from the heater matrix with the cold air from the AC Evap coil, as its stuck (probably half open) Sunsensor fault wont cause major cooling issues. 5 pcs Air Suspension Air Connector Fittings M8 for Benz W221 W220 W164 W211 W212. Jan 9, 2020 · Whats Up Guys I am New To the site I hope your knowledge and experience can help me out. The issue seems to be the charcoal canister valve FILTER. Over time, your Mercedes Benz will loose some of its key handling characteristics. In addition to diagnosing problems, the YOUCANIC scanner can also reset maintenance reminders and service indicators, ensuring that your vehicle is properly maintained and preventing potential issues from occurring in the future. Apr 4, 2016 · Just wanted to give everyone a heads up whoever has this issue. I replaced the door control module and it still doesnt work. Did you find the solution please? Thank you. Recirc button doesn’t work and doesn’t light up Fans don’t speed up when you turn them up or but it to front screen demise Any ideas what this could be or where I should start? Thanks Jul 17, 2019 · Hi all. I’ve been looking at w221’s and was just wondering about overall reliability. Find out about the Mercedes S-Class W221 reliability and the common faults to look for and what to avoid. It appears to be identical to the OEM glass in appearance and fit. Nov 9, 2010 · This is not only a problem for the W221 as it is a problem with the 722. I have no clue where to go from here and i Mar 6, 2013 · I m driving W221 S 500L milage is only 32000 & suddenly facing engine control unit issues, starting issues when engine is hot it took me abt 2 weeks to diagnose this issue by the authorised dealership we thought it might me issue of some relay or rear Sam etc but finally it was ECU Mar 2, 2023 · It can be a frustrating experience when the screen on your dashboard stops working, leaving you unable to access important information such as your speed, fuel gauge, and temperature. I am driving W221 S350 Mercedes. Last month I began getting errors with regards to ESP/ABS along with no power steering. Start engine and as you do so the parking brake releases itself. Mar 4, 2009 · Hello, I had a 7G Tronic Transmission Problem too. 9 transmission which is fitted to many models of Benz. AutoExpress gives it 4. Troubleshooting the A/C Common Air Conditioner Problems and Solutions Technical Nov 6, 2017 · S-Class (W221) - ABS/ESP Errors - How I Resolved Mine - I have a 2007 S550 4Matic. (But now convinced thats not Whether you're a Mercedes-Benz S-Class W221 S550 owner needing front air strut replacement or simply interested in learning more about car maintenance, this video is a valuable resource. You can replace the parking brake module or remove your faulty module and send it for repair to any companies that offer this repair service. How to replace Mercedes parking sensors yourself. Sep 7, 2015 · After having the set of ABS, ETS, Brake lights all come on I finally made it to the dealer to have them diagnose the issue for me. Let’s look at this common issue, its symptoms, and how it can be diagnosed. Learn how to tackle Mercedes S-Class W221 S 450 issues effectively. Feb 19, 2006 · S-Class (W221) - 2007 - 2013 Mercedes Benz S-Class (W221) forum discussion, how-to guides, and technical help. Screen problems highlights Reasons: screen death Jan 24, 2021 · Hi all, I have a 2008 S320cdi and ha e noticed that I have a few issues with the heating climate controls. Discover the most common problems of the Mercedes S-Class W221 S 350 and learn practical solutions to keep your Mercedes S-Class W221 S 350 running smoothly. I've had a transmission problem that has rccurred 3 times now. This article will overview the A/C system, common problems, and repairs you can perform independently. Apr 3, 2025 · Explore common Mercedes W221 problems, their causes, owner feedback, and important recall information to stay informed. Mercedes-Benz ABC suspension has been around since the early 2000s and can be found on high-end models such as the S-Class, SL-Class Are you experiencing problems with the windshield washer on your Mercedes-Benz? This article will help you troubleshoot problems such as windshield fluid not coming out or the windshield washer fluid pump not working. Apr 28, 2015 · B1315 Problem in Front passenger child seat recognition B1416 Coolant circulation pump (M13) B1417 Duovalve (Y21y1), left B1418 Duovalve (Y21y2), right B1419 Electromagnetic clutch (A9k1) B1420 Idle speed increase B1421 Pulse module (N05) B1422 Series interface (K1) connection to*instrument*cluster* (A1) B1423 Switchover valve block (Y11) The Mercedes S-Class W221 S 63 AMG is a pinnacle of luxury and performance, offering a perfect blend of advanced engineering, cutting-edge technology, and unmatched comfort. Apr 9, 2017 · Had this problem 9 months ago which went away but now back again. 2011 Mercedes C300 Air Conditioner Problem You’re not alone if you’re having trouble with your 2011 Mercedes C300’s air conditioner. My suggestion if you’d hear it, go for an end of model line W221 with the M278 engine, might be difficult to find but it is a solid performer with plenty of oomph to move that big girl. Car will start right up after a good charge, but seems to have a parasitic draw and won't even light the gauges or chime when the door is opened after In this detailed buyer's guide video of the W222 Mercedes S Class, I cover the common issues, warranties, financials, and some practical alternatives. Doesn't matter if its with the key or keyless start button. Generally, the noise is worse when you turn the steering wheel and goes away once you drive off. Replaced with known good battery. The noise is a common problem with Mercedes-Benz E-Class, S-Class, C-Class, and ML-Class, and it is most noticeable when you first start up the car. I had the system vacum tested and filled with the correct amount of gas for the model twice now. To diagnose Airmatic problems, STAR is extremely helpful. Jumped the motor and its fine. Oct 26, 2022 · If you maintain fluids you shouldn’t have any problems. Common A/C Problems How the A/C System Works. Mercedes-Benz has been using SAM modules since the mid-90s. Jun 25, 2020 · I have 2007 S-550. . With this information, you can make informed decisions about repairs and maintenance, saving time and money. After my own Dec 27, 2024 · W221 S400 Hybrid AC failure/problem connected with LIPO battery charging Jump to Latest 15K views 16 replies 6 participants last post by SvnPack Dec 27, 2024 S Feb 3, 2017 · Have they solved they oil cooler seal problem in the BlueTec engine in the MY2011 and up? Looking at a 2011 face lift W164 with the Bluetec engine but, as you know, the oil seals fail and it is a horrible job to replace them. Feb 2, 2023 · In this article, we explore some of the most common problems with AIRMATIC suspensions, some methods of fixing them, a few hacks and our own solution. Discover the common problems of Mercedes S-Class W221 S 300 and their solutions. 5L Engine? Is it good or bad? Read about Mercedes M272 3. My dad is really keen to swap his 08 W221 CDI for a petrol 06-08 W221. Owners of this iconic sedan often encounter a range of mechanical and electrical issues that require attention to maintain Nov 14, 2025 · Mercedes Electrical Problems: Fix SAM, ECU & CAN Bus Faults Hub shows how a systematic approach reveals the real cause behind a persistent Mercedes Battery Not Charging warning on a W221 S-Class. Cheers, Adam Jul 27, 2010 · I know that the M272 and M273 engines suffer from balancer shaft, timing, idler and camshaft adjustment solenoid valve problems and there is also a MB Bulletin published online. For Range Rover Sport LR3 LR4 Front/Rear Air Suspension Valve Block RVH000095. Nov 7, 2022 · Hi, just bumping this as I think I have similar on my S600. The W221 S63 is much more sensible in terms of cost of ownership but the 156 engine , while powerful, doesn’t do that big body benz justice. Learn about common problems and faults Mercedes owners often experience with the parking system. I am a new owner and requesting help from experienced owners/technical-experts to What to look for when buying a Mercedes S-Class 2006 - 2013, covering common problems to check for and overall vehicle reliability. Jul 19, 2016 · That problem is addressed at Troubleshooting Quiescent Battery Drain (From the W220 forum, but equally applicable to the W221). Mar 21, 2025 · Discover common Mercedes Benz W221 problems, owner feedback, and recall information to stay informed and proactive. I use it, I abuse it, I red line it, I burn the tires, I take it at high speeds in hot temperatures and did I mention I treat it like it's a rental car that I'm not reliable for?. 27K subscribers Subscribed Feb 14, 2023 · The W221 S550s is equipped with a clever Mercedes AIRMATIC air suspension that offers an incredibly comfortable ride, but it is sometimes prone to cause issues, especially if not maintained correctly. Mercedes-Benz V6 and V8 engines had timing chain problems caused by balance shaft and idler gear failures. The diagnostics showed problem in the Control Unit Plate. While the pictures in this article are of Mercedes Benz cars, this guide is written to apply to all makes and models. The problem is when warm Dec 27, 2020 · These W221 cars are amazing cars if you approach them with the mindset to maintain well and fix anything that needs fixing. Nov 21, 2024 · We hope you find the Common Problems Mercedes-Benz 2006-2013 W221 guide helpful. What problems await you after buying a used Mercedes S-Class (W221 2005-2013) What to look for when buying a Mercedes S-Class 2006 - 2013, covering common problems to check for and overall vehicle reliability. because of very limited room in engine bay , motor has to be removed to change turbos , motor mounts and so on . Thanks. He or she can then proceed to correct the problem easily and affordably, so that your W221 S Class can be running in top form as quickly as possible. The only issue I noticed is that the PSE pump which is located in the trunk turns on as soon as I open any door and Jul 5, 2024 · Navigate the intricacies of timing chain issues in Mercedes Benz with expert advice on early detection and maintenance tips to avoid costly repairs. So decided to reprogram the module, window started to work again. The parts guy at MB told me even the replacement seals are failing Jun 10, 2012 · Hello. Sep 10, 2025 · Need W221 Airmatic Calibration? Use XENTRY to reset ride height, level sensors, and restore your S‑Class’s smooth suspension in minutes. Apr 17, 2021 · Hi guys, I got a problem with my s350L bluetec 2011, maybe someone can suggest a solution. The 20 Nov 21, 2024 · Have troubles with your Mercedes-Benz ABS suspension? Learn how to troubleshoot the problem by following the procedures below. If you have the issue like me, where you can't fill your tank unless it's at the slowest pump speed before the gas pump thinks you have a full tank, you maybe in luck. It feels like when I have issue, starter struggle to turn the engine and in some cases starter turning the engine for 3-5 second before car start. I went through initial start twice but no Apr 23, 2014 · When it comes to finding problems with battery drain, this is often connected to the "Wake Up" system of the car, where components are not actually going to sleep because some device is malfunctioning and keep sending wake-up calls in the network. The car had been sat for a while and battery was completely flat. As a driver, you may begin to hear “creaking” noises and/or […] Dec 23, 2017 · Hello, Working on an 07 w221 s550. Sep 18, 2024 · Today, we encountered an interesting case in our shop: a 2010 Mercedes-Benz S550 S-Class W221 with a non-working blower fan for the A/C, heat not working, and non-responsive climate control buttons. Jul 22, 2016 · The W221 components have been designed better, and all of the models have improved in reliability over the W220. Using Xentry 12/2015 and star c3 clone I keep getting asked to do initial start when I access rear sam. Sometimes it will start, other times it wont but then it will later in the day. now i replaced them with Original Parts but the Front is too high now and back too low. why May 20, 2009 · We just briefly talked about the car, and he mentioned that there's many small electrical problems with the W221 that comes up from time to time. Search for a local, independent Mercedes-Benz repair shop with Mercedes-Benz mechanics that have dealer-level expertise at a fraction of the expense. Before you do anything, check for a parasitic electrical draw, and find out what may be causing the short circuit and draining your battery. All seemed fine other than my defective low voltage battery issues. 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 Mar 6, 2017 · first hi to everybody on forum im new (almost) happy owner of w221 s350 2011 i just have this car for slightly over a week (private purchase so can't deal with seller about fault) i was driving it few short trips in last few days most at day and motorway tonite i was driving around Jan 22, 2011 · I have an '07 S550 that I bought new on April 2007. The only one option was to change it with a new one. Check these troubleshooting and repair guides for more help on your Mercedes-Benz. 1K views 2 replies 3 participants last post by W221rider26 May 19, 2021 Jun 9, 2013 · Hi,No sound on Radio, TV, Navigation, or Phone, 2008 W221 S320CDI just started doing this, May seem daft but seems to happen when the car gets hot since the weather has warmed up? and when it goes off i have checked the Amplifier in the boot and the cooling fan is not running? could it be a Apr 27, 2018 · Well more by luck than judgement. Feb 26, 2015 · Mercedes-Benz Transmission Problems This article discusses the most common Mercedes-Benz transmission problems and how you can fix some of them. As to electronics there does not seem to be any particular problem area, though various components can fail in any car. ABS Module Corrosion or loss of connection at the ABS unit (in the engine bay) can also trigger this problem. Sep 21, 2024 · specifically for W211, but I assume the system is similar for all different models, so hopefully this helps somebody. Once in reverse, I would sometimes get a black screen (as pictured) or lately I would get a black screen with static lines running. If you own a Mercedes and are facing a similar issue Mar 28, 2025 · Know which Mercedes-Benz S-Class models to pursue and which to avoid, as some years boast impressive reliability while others are riddled with costly issues. The car is in mint condition. But while they Apr 16, 2014 · Learn about the auxiliary water pump in Mercedes Benz vehicles, its role in heater performance, causes of failure, and diagnostic procedures. Recently I have notice that when I start the car, it mostly start right away, but sometime it hesitant to start. It can often be heard when you are at a stoplight. Nov 25, 2024 · We hope you find the Mercedes-Benz Hybrid Problems guide helpful. 1K views 2 replies 3 participants last post by W221rider26 May 19, 2021 Jun 9, 2013 · Hi,No sound on Radio, TV, Navigation, or Phone, 2008 W221 S320CDI just started doing this, May seem daft but seems to happen when the car gets hot since the weather has warmed up? and when it goes off i have checked the Amplifier in the boot and the cooling fan is not running? could it be a Jan 30, 2015 · 2) Does this correlate to the dreaded Transmission problem on the W221? If you have any information that might help, I will greatly appreciate it. Distronic Plus Inoperative Blind Spot Assist Inoperative Pre-Safe functions limited. I recently purchased a 2010 W221 with only 55k miles. Both batteries are fully charged. I am experiencing an ongoing problem with my backup camera (came with the car, not aftermarket). 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. 1 reading Jump to Latest 30K views 6 replies 4 participants last post by AIDROOS Dec 21, 2022 Nov 6, 2017 · I have a 2007 S550 4Matic. on my 2012 S550 (W221), the driver and passenger side suspensions are behaving differently from each other, and I am not sure which side is behaving normally/as-expected, and which side likely has a fault. I tried to calibrate the ABC with Star Diagnosis but After The Message „Calibration successfull“ the Car goes back in his old Position. I have told him about the 350V6 suffering from balancer shaft issues so he is interested in a 500. This issue meant that neither the fan, heat, nor the cold A/C could be activated – pressing any climate control button simply did nothing. And the Parking Brake See Owners Manual message. If you don't see the images behind your car in reverse sometimes and sometimes you do, it very likely a wire in the trunk is being slowly cut. The fault May 23, 2018 · (05-23-2018, 07:01 PM)justinbla Wrote: Hello, i Hope anyone can help, i bought a new Car, this s class had adjustable rods to the Level Sensor, Front and back. Mar 10, 2014 · S320 CDI W221 intermittent starting problem 1 reading Jump to Latest 7. This problem can affect various Mercedes-Benz models, including the E-Class, S-Class, C-Class, CLK-Class, ML-Class, and SL-Class. Apr 15, 2022 · The earlier W221 have two batteries, a consumer battery in the trunk and a starter battery in the engine bay. No fault codes stored or current which was checked on SDS and passes all the tests. Keep in mind that the problem could be arising from a fault in your Distronic system; before doing the time-consuming test for excess quiescent drain, I'd first take a look at any electrical connections to Distronic Aug 11, 2022 · Front Air Suspension Spring Risidual Pressure Valve For Mercedes W221 S-Class | eBay 10 pcs Air Suspension Air Valve M8 for Benz W221 W220 W164 W211 Air Connector. Typically, the engine is cold. Jan 31, 2015 · Hi A problem with my W212 E350CDI. Problem is noted when heat fails to deliver on cold days/morning/evening when requested by the driver/passenger. I Go to top SAM stands for Signal Acquisition Module. It May 20, 2009 · We just briefly talked about the car, and he mentioned that there's many small electrical problems with the W221 that comes up from time to time. If you’re considering a used model — particularly from the W221 (2006–2013), W222 (2014–2020), or W223 (2020–present) generations — it’s important to be aware of the most common Mercedes S-Class problems. or I can find the memory card? Mar 4, 2009 · Hello, I had a 7G Tronic Transmission Problem too. Jun 5, 2023 · Hello. Anybody know the cause of this and what can fix it? Thanks Oct 6, 2020 · Problem 3: There is an installation video for the 2006-2009 W221 on the SmartBox website; it recommends removing the cover board below the glove box and placing the SmartBox below and behind the glove compartment, routing the very long harness through a difficult-to-reach cable access hole between the HU and the space behind the glove box. Now iam going crazy trying to figure out why would it need Oct 15, 2023 · This article provides instructions on troubleshooting Mercedes Parktronic (not to be confused with Active Parking Assist). I made a research in the Internet and found a company Softelectronic which offers repair of all the sensors + reprogramming the plate. When parked for a while and I attempt to start all ignition lights etc are good but no attempt to crank when the key is turned. The Mercedes-Benz M273 engine family includes a 5. The M273 series was released in 2005 as a successor for the M113 engine. In addition, I am the co-modrator of the W221 forum and moderator of the Audio & Telematics forum; I see every new post in each of them every day. Battery Drain Does your Mercedes-Benz battery slowly drain? Is the battery dead every morning? Does the Mercedes-Benz battery die when you have the car parked overnight or leave it parked for a few days? This step-by-step guide explains how to troubleshoot the problem, covers the basics of battery drain issues, and identifies the most common trouble spots. The level sensor rusts over time and breaks off, causing the car to lower to the ground or rise. In this condition, A/C-cold air and outside air work as they should. Their common problems are different but the price may be pretty close, especially for the fresh W221 and the older W222. Mar 15, 2023 · Hi so i have issues that relate to my door control module, drivers side, power seat, mirror, and all the window controls besides passenger side. Apr 13, 2025 · I have an intermittent none starting 2008 CL63 Based on same electrics as w221 am getting these faults. Abc hoses, flushes , maintainenance etc. It now has 54,000 miles, so it's out of the base warranty. Dec 27, 2023 · Dear All, I have bee living with a painful issue with my car for 3 years now, and managed to make some observations which might help some expert to provide a guess on what could be causing this? In a nutshell, sometimes the car doesn't start, doesn't even crank when turning to key completely to With age and mileage, critical suspension components such as control arm bushings, thrust rods, tie rods, ball joints, sway bar links and wheel bearings begin to wear and loose their effectiveness. Nov 6, 2024 · One of the most common problems with the Mercedes-Benz W221 S-Class is the failure of the rear-level sensor. Keep your Mercedes S-Class W221 S 600 running smoothly with expert advice. Mercedes-Benz AirMatic Air Suspension Malfunction Common Problems - Up Arrow - Car Lowered Dropped YOUCANIC 93. This article overviews the 722. May 3, 2016 · This is only for vehicles with "No Heat" issue. They said no communication to the ESP module was possible and that it would need replaced. Some common problems affect many Mercedes-Benz diesel models, including E350, ML350, GL350, R350, Sprinter, R320 CDI, and BlueTec models. A SAM module (Signal Actuation Module) receives data from sensors, switches, and controllers and can send data, actuate (activate) components, and monitor systems. First off, the electrical system: Each strut has an electrical connector at the top of the strut, and then another Mercedes-Benz balance shaft problems and how to check your car. Sep 5, 2025 · Experiencing a rough idle in your Mercedes? Learn how to diagnose engine shaking, cold start misfires, and camshaft timing issues and how to fix them. I believe in 2011, they had only one combined battery in the engine bay. Nov 20, 2024 · For example, this is a common problem in S-Class CL-Class, known as W221 and W216, respectively. 5L Engine design and features, its the most common problems and relaibility. Jun 3, 2020 · 2002 320CDi. I got rid if my ABS and ESP Currently unavailable messages. Owners frequently encounter problems related to its complex mechanical systems, advanced electronics, and high-performance May 19, 2020 · 2013 Mercedes W221 S550 Backup camera not always working. I replaced the Nov 18, 2013 · Common issues are ignition coil packs which are about $1,200 per bank ( per side). After battery charge, the vehicle now will not start! The EIS unlocks and turns, but no crank. Apr 14, 2014 · W221 Command problems - HELP!!! Jump to Latest 9. You try to start your Mercedes-Benz Oct 18, 2023 · If you take the W221 and W222 generations of the Mercedes-Benz S-Class model, it's really hard to choose between them. Car picks up the key in my pocked and unlock as soon as I touch the dorr handle so all Discover common problems of the Mercedes S-Class W221 S 450 in our comprehensive guide. Warning on dash "esp and abs currently inoperative" Pull away and after Nov 8, 2025 · Mercedes dashboard display not working? Learn the common causes like fuse issues, wiring faults, or screen failure and how to diagnose and fix it. Well here is story we have mercedes s class w221 2007 and radio not. Replaced rear sam with used unit and same thing. (Mercedes-Benz W221 Head Unit) S class (W221) 2006 Jan 2, 2025 · Several things can cause the problem, and most of them are relatively easy to fix. w221 buying tips & reliability My ‘95 town car was totaled after some idiot rear ended me, and I’d like to get a more modern S-Class as sort of a companion to my w126 s-class now that my town car is gone. Alternator is charging very well (14V). Thinking about buying a W221 S-Class. I have a problem with 2007 S500 air conditioning in that it is not very effictive. I received my MB V2. Nov 6, 2023 · Mercedes-Benz flagship model W221 is one of the best S-Classes Mercedes-Benz has ever built, but it does have a fair number of issues. Discover the common problems of Mercedes S-Class W221 S 500.