Home · 2016 Mercedes-benz S-class Phev · Complaints

What 29 owners told NHTSA about the 2016 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 (29)Crash / fire / injury (1)Visibility & wipers (4)Body & structure (3)Speed control (3)Brakes (2)Engine (2)Seat belts (2)Steering (2)Tires (2)Wheels (2)Airbags (1)

2 of 29 complaints match · Seat belts · clear filters

Sep 12, 2024Seat belts

Rear left seat belt is stuck and won’t retract. Seat has not been used much. Vehicle is a 2016 with 65,000 miles.

NHTSA ODI 11614284

Jul 26, 2024Seat belts

The car's front passenger passenger seat buckle fails to properly secure the seat belt. After inserting the seat belt it fails to latch into the buckle. The Mercedes dealer has examined the seat buckle and determined that it failed. They are recommending a replacement.

NHTSA ODI 11604634

Working with the data? Download all 29 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 2016 Mercedes-benz S-class Phev verdict →