Jan 30, 2026Steering
I loss my electric steering assist!!! Takes 2 gorillas to turn the wheel i was able to stop without crashing into anything
NHTSA ODI 11714612
Home · 2015 Mercedes-benz S-class Phev · Complaints
What 51 owners told NHTSA about the 2015 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 (51)Crash / fire / injury (11)Seat belts (8)Body & structure (6)Electrical system (6)Visibility & wipers (6)Airbags (5)Wheels (5)Brakes (4)Steering (4)Engine (3)Fuel system (3)
4 of 51 complaints match · Steering · clear filters
Mar 9, 2025Steering
The steering wheel became difficult to control.Also,steering wheel module waring light came on.
NHTSA ODI 11647210
Apr 11, 2022Steering
The contact owns a 2015 Mercedes-Benz S550. The contact stated while parking the vehicle he noticed that the "power steering malfunction" light was illuminated and the vehicle lost power steering functionality. The contact stated that he waited and then restarted the vehicle and the vehicle regained power steering functionality. The contact had the vehicle towed to an independent mechanic however, the vehicle was not diagnosed or repaired. The vehicle was later towed to the dealer where it was diagnosed however, the mechanic could not determine the cause of the failure. The contact stated that the failure was related to NHTSA Campaign Number: 16V899000 (Steering). The manufacturer had been informed of the failure. The failure mileage was approximately 45,000.
NHTSA ODI 11460454
Jun 5, 2020Steering
THE STEERING COLUMN WENT BAD. IT STARTED MAKING NOISE, BUT NOT WARNING LIGHTS CAME ON. IF I HAD CONTINUED TO DRIVE IT, IT PROBABLY WOULD HAVE CRASHED. THE CAR ONLY HAD APPROXIMATELY 22,000 MILES ON IT. *TR
NHTSA ODI 11327375
Working with the data? Download all 51 complaints as CSV · fetched from NHTSA July 20, 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 2015 Mercedes-benz S-class Phev verdict →