| Issue ID | 1624450 |
| Internal NHTSA # | 11287409 |
| Manufacurer | Mercedes-Benz USA, LLC. |
| Brand | MERCEDES BENZ |
| Model | S400 |
| Model Year | 2010 |
| File date | 15/10/19 |
| Component | POWER TRAIN |
| Product type code | VEHICLE |
| Description of the problem | 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 however it appears that the defective part is replaced with a similarly defective part. Furthermore mercedes-benz no longer makes this part available for this model which was produced through 2013. This defective part this model at high risk for the safety of its owners, passengers and occupants of other vehicles as the vehicle is stopped in the road. This is a known issue with this vehicle and has been experienced by many. Of note there were few of this vehicle made (s400 is an early hybrid model made by mercedes-benz) such that a low number of reports represents a high percentage of this model. The frequency if events can be seen in a search of s400 power electronics module problems i have contacted mbusa who states this is not a safety issue and they have no responsibility for the defective part. They have also stated that they have no legal responsibility to continue to produce parts for a model that ended 6 years ago. |
| Vehicle Mileage at Failure | 70000 |
| Number of Occurences | |
| Source of the issue | NHTSA WEB SITE |
| City and State | HILLSBOROUGH, NC |
| VIN pattern | WDDNG9FB7AAXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | N |
| Was part original equipment? | |
| No. of injured persons | |
| No. of fatalities | |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 0 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |