Home · 2017 Mercedes-benz S-class Phev · Complaints
What 22 owners told NHTSA about the 2017 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.
2 of 22 complaints match · Transmission & drivetrain · clear filters
Dec 19, 2024Transmission & drivetrain
The contact owns a 2017 Mercedes-Benz S550. The contact stated while the vehicle was in for routine maintenance, the mechanic discovered that the front driver's side CV-boot had cracked and was leaking oil. The contact was advised that the CV-boot could cause the front axle to eventually fail. The contact was advised that the front axle needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The failure mileage was 76,000.
NHTSA ODI 11631560
Dec 26, 2019Transmission & drivetrain
WHEN PARKING THE CAR. TRANSMISSION IN DRIVE AND FOOT ON BRAKE. WHEN THE IGNITION BUTTON IS PUSHED TO TURN CAR OFF, THE CAR GOES INTO NEUTRAL NOT PARK. THE CAR WILL GO INTO PARK WHEN THE DOOR IS OPENED. THE CAR HAS ROLLED AND CAN CAUSE AN ACCIDENT IF NOT CAREFUL. WAS TOLD THIS IS NORMAL OPERATION WITH THIS MODEL. THINK IT IS UNSAFE. EVERY OTHER CAR I HAVE DRIVEN INCLUDING MERCEDES GO INTO PARK WHEN IGNITION IS PUSHED WITH CAR STOPPED AND FOOT ON BRAKE.
NHTSA ODI 11291390
Working with the data? Download all 22 complaints as CSV · fetched from NHTSA July 20, 2026