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What 29 owners told NHTSA about the 2018 Mercedes-benz S-class Hybrid

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 (3)Engine (7)Brakes (5)Steering (5)Driver assistance (3)Fuel system (3)Suspension (3)Transmission & drivetrain (2)Airbags (1)Communication (1)Electrical system (1)

1 of 29 complaints match · Communication · clear filters

Jul 27, 2021Electrical systemCommunication

The contact owns a 2018 Mercedes-Benz S560. The contact received notification of NHTSA Campaign Number: 21V058000 (Communication, Electrical System) however, the part to do the recall repair was unavailable. The contact took the vehicle to the local dealer and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ODI 11426613

Working with the data? Download all 29 complaints as CSV · fetched from NHTSA July 14, 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 2018 Mercedes-benz S-class Hybrid verdict →