Home · 2011 Mercedes-benz S-class Phev · Complaints

What 18 owners told NHTSA about the 2011 Mercedes-benz S-class Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (18)Crash / fire / injury (3)Fuel system (6)Electrical system (4)Engine (4)Suspension (2)Body & structure (1)Brakes (1)Hybrid Propulsion System (1)Speed control (1)Wheels (1)

1 of 18 complaints match · Electrical system · crash/fire/injury only · clear filters

Dec 29, 2016Electrical systemEngineFire

TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S63. WHILE THE VEHICLE WAS PARKED, THE CONTACT WAS INFORMED THAT THE VEHICLE WAS ON FIRE. THE CONTACT STATED THAT THE FIRE ORIGINATED FROM THE FRONT OF THE VEHICLE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND A FIRE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN AUTHORIZED MERCEDES BENZ DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 90,000. ...UPDATED 03/13/17 *BF UPDATED 08/17/2017*JS

NHTSA ODI 10938438

Working with the data? Download all 18 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2011 Mercedes-benz S-class Phev verdict →