https://plaincars.com/make/mercedes-benz-s400 New NHTSA complaints and recalls filed for the Mercedes-Benz S400. en-us Sun, 18 Oct 2026 06:13:04 GMT https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-2089944 Wed, 07 May 2025 00:00:00 GMT -Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time th https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-2089945 Wed, 07 May 2025 00:00:00 GMT -Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time th https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-2089946 Wed, 07 May 2025 00:00:00 GMT -Combustion engine sporadically fails to start. -Combustion engine can no longer be started. -Start/Stop function is sporadically unavailable (READY displayed in yellow in instrument cluster). -Start/Stop function fails to function properly in dangerous road conditions - e.g., when pulling into an intersection, in stop & go traffic, when proceeding at a stop light, etc. -This is the second time th https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1898878 Thu, 01 Jun 2023 00:00:00 GMT I bought a 2011 MB S400 last year. Everything was good till 3 months ago. I smelled a very bad gas leak one day and it gets worse after I fuel my thank. Nobody wants to seat my car after I buy a gas. I realized there is a gas on my driveway under my passenger seat. When I googled it, there is a recall for MB W221 for 2011 models because of the Fuel Filter parts problem. It's not designed for the h https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1837233 Tue, 30 Aug 2022 00:00:00 GMT Airmatic Suspension sprung a leak and could not be driven safely due to the vehicle getting severely low where the tire and rim tucked into the wheel well. When the airmatic suspension fails the vehicle can get so low that it can scrape the roadway, hit bumps and damage parts under which can dislodge and cause an severe accident or pile up. Requesting a Nationwide Recall on all Mercedes-Benz vehic https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1837234 Tue, 30 Aug 2022 00:00:00 GMT Airmatic Suspension sprung a leak and could not be driven safely due to the vehicle getting severely low where the tire and rim tucked into the wheel well. When the airmatic suspension fails the vehicle can get so low that it can scrape the roadway, hit bumps and damage parts under which can dislodge and cause an severe accident or pile up. Requesting a Nationwide Recall on all Mercedes-Benz vehic https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1837235 Tue, 30 Aug 2022 00:00:00 GMT Airmatic Suspension sprung a leak and could not be driven safely due to the vehicle getting severely low where the tire and rim tucked into the wheel well. When the airmatic suspension fails the vehicle can get so low that it can scrape the roadway, hit bumps and damage parts under which can dislodge and cause an severe accident or pile up. Requesting a Nationwide Recall on all Mercedes-Benz vehic https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1736430 Thu, 25 Mar 2021 00:00:00 GMT TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY. THE HYBRID BATTERY WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT THE INTERIOR LIGHTS WERE INOPERABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614, (813)543-8419) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE POWER ELECTRONIC M https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1736431 Thu, 25 Mar 2021 00:00:00 GMT TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY. THE HYBRID BATTERY WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT THE INTERIOR LIGHTS WERE INOPERABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614, (813)543-8419) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE POWER ELECTRONIC M https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1717219 Sun, 03 Jan 2021 00:00:00 GMT POWER ELECTRONIC CONTROL UNIT MALFUNCTION. CAR WILL NOT CRANK/ NO START. CAR WAS STATIONARY-PARKED. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1717220 Sun, 03 Jan 2021 00:00:00 GMT POWER ELECTRONIC CONTROL UNIT MALFUNCTION. CAR WILL NOT CRANK/ NO START. CAR WAS STATIONARY-PARKED. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1707343 Wed, 18 Nov 2020 00:00:00 GMT THE COMPUTER CONTROL UNIT FOR THE HYBRID MOTOR HAS FAILED ON MY AND MANY S400S. THIS CAUSES CAR TO STALL OUT AT STOPLIGHTS OR WHILE DRIVING. THIS IS A SAFETY ISSUE. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1697668 Mon, 05 Oct 2020 00:00:00 GMT STRONG GAS ORDERS FROM INTERIOR AFTER FILL UP. STATIONARY, IN MOTION, STOPPED. TO THE POINT OF NAUSEA AND LIGHT HEADEDNESS. 2011 IS ON RECALL LIST FOR GAS PUMP AND SENDER REPLACEMENT, PLUS WARRANTY EXTENSION TO 15 YEARS FOR THIS PROBLEM. THIS NEEDS TO ALSO INCLUDE THE 2010 S400 HYBRIDS VEHICLE HAS ONLY 87,000 MILES ON IT, AND CANNOT BE DRIVEN DUE TO POSSIBLE FUEL INGITION AND THE POSSIBILIT https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1689350 Wed, 02 Sep 2020 00:00:00 GMT THE CAR FIRST STARTED TO STOP INTERMITTENTLY WITHOUT ANY WARNING AT ALL AT THE TRAFFIC INTERSECTION, THEN I WAS ABLE TO START IT AGAIN AFTER SHUTTING EVERY THING DOWN. THEN A MONTH LATER, THE SAME THING HAPPENED AGAIN BUT THIS TIME I WAS NOT ABLE TO START THE CAR AGAIN. THIS COULD BE A VERY DANGEROUS SAFETY SITUATION IF THE ENGINE SHUTS DOWN WHILE I WAS DRIVING ON THE FREEWAY. MERCEDES ONLY PROVID https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1643573 Tue, 04 Feb 2020 00:00:00 GMT FIRST THERE WAS NO POWER TO THE CAR SO WE REPLACED THE BATTERY. THEN THE CAR WAS RUNNING AND SHUT OFF ONE DAY AND WOULD NOT RESTART. THE VEHICLE WAS STATIONARY WHEN IT WOULD NOT RESTART. WE HAD IT TOWED TO MERCEDES DEALER. THEY ARE STATING IT THE POWER ELECTRONICS MODULE. THERE ARE TWO RECALLS RELATED TO THIS PART BUT WHEN CHECKING THE VIN OURS IS NOT PART OF THEM. THAT IS IMPOSSIBLE. THE MERCEDES https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1626513 Fri, 06 Dec 2019 00:00:00 GMT WHEN COMING TO A COMPLETE STOP, THE HYBRID SYSTEM SHUTS DOWN THE ENGINE AND FAILS TO RESTART. THIS PLACES THE DRIVER, PASSENGER AND OTHERS AT RISK OF COLLISION AS VEHICLE WILL REMAIN STOPPED IN TRAFFIC. THIS ISSUE HAS BEEN KNOWN TO MERCEDES-BENZ AS IF IS A FAILURE OF THE POWER ELECTRONICS MODULE. IT HAS BEEN SUBJECT TO TWO SERVICE CAMPAIGNS: 2012880004 NOVEMBER 2012 2015030006 JUNE 2015 https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1625517 Tue, 03 Dec 2019 00:00:00 GMT 2010 S400 HYBRID WONT START FIRST INSTANCE WAS LESS THAN 24 HOUR OF PURCHASING CAR FROM LOCAL DEALER. LIGHTS ALL ON BUT NO CRANK. STARTED AFTER AND TWO WEEKS LATER IT HAD TO BE TOWED BECAUSE IT COMPLETELY WONT START. MBUSA FORUM CHAT AND SEVERAL SOCIAL MEDIA GROUPS ALL AROUND THE WORLD HAS THE SAME PROBLEM WITH THIS MODEL AND IT COMES DOWN TO AN ELECTRONICS POWER MODULE THAT COST MORE THAN WHAT TH https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1625518 Tue, 03 Dec 2019 00:00:00 GMT 2010 S400 HYBRID WONT START FIRST INSTANCE WAS LESS THAN 24 HOUR OF PURCHASING CAR FROM LOCAL DEALER. LIGHTS ALL ON BUT NO CRANK. STARTED AFTER AND TWO WEEKS LATER IT HAD TO BE TOWED BECAUSE IT COMPLETELY WONT START. MBUSA FORUM CHAT AND SEVERAL SOCIAL MEDIA GROUPS ALL AROUND THE WORLD HAS THE SAME PROBLEM WITH THIS MODEL AND IT COMES DOWN TO AN ELECTRONICS POWER MODULE THAT COST MORE THAN WHAT TH https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1529483 Tue, 08 Jan 2019 00:00:00 GMT I HAVE A 2010 MERCEDES S400 THAT WAS PURCHASED NEW IN NYC AND I WAS PROMISED A 10YR/150K MILE WARRANTY BECAUSE OF A CARB ADOPTION NY AND 10 OTHER STATES WERE INVOLVED IN. MY VEHICLE HAS ONLY 37K MILES AND IS NEVER BEEN CRASHED OR PAINTED. I WENT TO MERCEDES OF MANHATTAN LOCATED ON 770 11TH AVE NYC, NY 10019. MY VEHICLE WAS DENIED THIS WARRANTY COVERAGE THE SERVICE MANAGER STATED BECAUSE IT'S AT HI https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1529604 Tue, 08 Jan 2019 00:00:00 GMT VEHICLE STALLS INTERMITTENTLY IN TRAFFIC, INTERSECTIONS. VEHICLE STARTS INTERMITTENTLY, RUN, OPERATES HOWEVER, STALLS WHEN TRANSITIONING FROM STOPPED POSITION TO ACCELERATION. A KNOWN DEFECT PURSUANT TO MERCEDES BENZ SERVICE CAMPAIGN 2012080004. PRESENTED VEHICLE TO MERCEDES BENZ FOR REPAIR. THEY CONFIRMED THAT THE VEHICLE WAS EXPERIENCING THE PROBLEMS DESCRIBED IN THE CAMPAIGN AND REQUIRED THE https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1529605 Tue, 08 Jan 2019 00:00:00 GMT VEHICLE STALLS INTERMITTENTLY IN TRAFFIC, INTERSECTIONS. VEHICLE STARTS INTERMITTENTLY, RUN, OPERATES HOWEVER, STALLS WHEN TRANSITIONING FROM STOPPED POSITION TO ACCELERATION. A KNOWN DEFECT PURSUANT TO MERCEDES BENZ SERVICE CAMPAIGN 2012080004. PRESENTED VEHICLE TO MERCEDES BENZ FOR REPAIR. THEY CONFIRMED THAT THE VEHICLE WAS EXPERIENCING THE PROBLEMS DESCRIBED IN THE CAMPAIGN AND REQUIRED THE https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1529606 Tue, 08 Jan 2019 00:00:00 GMT VEHICLE STALLS INTERMITTENTLY IN TRAFFIC, INTERSECTIONS. VEHICLE STARTS INTERMITTENTLY, RUN, OPERATES HOWEVER, STALLS WHEN TRANSITIONING FROM STOPPED POSITION TO ACCELERATION. A KNOWN DEFECT PURSUANT TO MERCEDES BENZ SERVICE CAMPAIGN 2012080004. PRESENTED VEHICLE TO MERCEDES BENZ FOR REPAIR. THEY CONFIRMED THAT THE VEHICLE WAS EXPERIENCING THE PROBLEMS DESCRIBED IN THE CAMPAIGN AND REQUIRED THE https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1519292 Wed, 28 Nov 2018 00:00:00 GMT TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT NOTICED A FLASHING INDICATOR ON THE INSTRUMENT PANEL RELATED TO THE VEHICLE OVERHEATING. A SECOND UNKNOWN WARNING INDICATOR ALSO ILLUMINATED. THE DEALER (PARK PLACE MOTORCARS MERCEDES-BENZ ARLINGTON, 4201 BELTWAY PL, ARLINGTON, TX 76018, 817-807-4800) DIAGNOSED THAT OIL LEAKED INTO A MODULE AND DIAGNOSTIC TESTING WAS NEEDED. THE VEHICLE W https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1519293 Wed, 28 Nov 2018 00:00:00 GMT TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT NOTICED A FLASHING INDICATOR ON THE INSTRUMENT PANEL RELATED TO THE VEHICLE OVERHEATING. A SECOND UNKNOWN WARNING INDICATOR ALSO ILLUMINATED. THE DEALER (PARK PLACE MOTORCARS MERCEDES-BENZ ARLINGTON, 4201 BELTWAY PL, ARLINGTON, TX 76018, 817-807-4800) DIAGNOSED THAT OIL LEAKED INTO A MODULE AND DIAGNOSTIC TESTING WAS NEEDED. THE VEHICLE W https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1498990 Thu, 13 Sep 2018 00:00:00 GMT 'TAKATA RECALL' MY AIR SUSPENSION WONT MAINTAIN THE PROPER AIR TO KEEP THE AIR SUSPENSION INITS PROPER PLACEWHEN PARKED. ALSO THE TIRE PRESSURE MONITORS IS VERY ERATIC AND DONT DISPLAY TIRE PRESSURE LIKE ITS SUPPOSE TOO WHILE DRIVNG LOCALLY AND ESPECIALLY ON THE HIGHWAY. THIS CAR ONLY HAVE 65000 MILES ON IT AND I DIDNT EXPECT THESE PROBLEMS FROM A 2011 MERCEDES WITH LOW MILES. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1498991 Thu, 13 Sep 2018 00:00:00 GMT 'TAKATA RECALL' MY AIR SUSPENSION WONT MAINTAIN THE PROPER AIR TO KEEP THE AIR SUSPENSION INITS PROPER PLACEWHEN PARKED. ALSO THE TIRE PRESSURE MONITORS IS VERY ERATIC AND DONT DISPLAY TIRE PRESSURE LIKE ITS SUPPOSE TOO WHILE DRIVNG LOCALLY AND ESPECIALLY ON THE HIGHWAY. THIS CAR ONLY HAVE 65000 MILES ON IT AND I DIDNT EXPECT THESE PROBLEMS FROM A 2011 MERCEDES WITH LOW MILES. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1462961 Fri, 20 Apr 2018 00:00:00 GMT TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614) WHERE IT WAS DIAGNOSED THAT THE POWER ELECTRONIC CONTROL MODULE FAILED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT REFERENCED TSB NUMBER: 10050865 (ELECTRICAL AND AIR CONDITIONING), BUT THE V https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1303026 Fri, 29 Jul 2016 00:00:00 GMT THE S400 HYBRID HAS A HABIT OF STALLING WHEN IN A STOP POSITION. THIS REQUIRES A COMPLETE RE-START AT A STOP LIGHT OR AFTER HAVING COME TO A COMPLETE STOP. IN ADDITION THE AIR CONDITIONING SHUTS OFF AND DOES NOT COME BACK ON UNTIL YOU STOP FOR A FEW MINUTES AND RE-START THE VEHICLE. THE CAR STALLING IS VERY UN-SAFE. THE CAR STALLS AT A STOP POSITION. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1303027 Fri, 29 Jul 2016 00:00:00 GMT THE S400 HYBRID HAS A HABIT OF STALLING WHEN IN A STOP POSITION. THIS REQUIRES A COMPLETE RE-START AT A STOP LIGHT OR AFTER HAVING COME TO A COMPLETE STOP. IN ADDITION THE AIR CONDITIONING SHUTS OFF AND DOES NOT COME BACK ON UNTIL YOU STOP FOR A FEW MINUTES AND RE-START THE VEHICLE. THE CAR STALLING IS VERY UN-SAFE. THE CAR STALLS AT A STOP POSITION. https://plaincars.com/make/mercedes-benz-s400 https://plaincars.com/make/mercedes-benz-s400#complaint-1287303 Fri, 03 Jun 2016 00:00:00 GMT CAR STALLS CONSTANTLY, LOOSE FUEL CAP WARNING COMES ON, CHECK ENGINE LIGHT COMES ON. I HAVE REPLACED THE FUEL CAP, CHECKED VEHICLE CODES, BUT CANNOT GET THE ISSUE IDENTIFIED. A VEHICLE STALLING LIKE THIS IS A TREMENDOUS SAFETY HAZARD, AND IT MAY BE POSSIBLE THAT THERE IS AN ISSUE WITH THE FUEL DELIVERY SYSTEM IN THIS YEAR MODEL, JUST AS THERE WAS WITH THE 2011-2012 MODELS WHICH RESULTED IN A RECAL