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What 66 owners told NHTSA about the 2018 Mercedes-benz E-class Cabrio

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 (66)Crash / fire / injury (7)Electrical system (13)Engine (13)Wheels (8)Steering (7)Transmission & drivetrain (6)Driver assistance (5)Body & structure (4)Brakes (4)Seat belts (4)Speed control (4)

1 of 66 complaints match · Driver assistance · crash/fire/injury only · clear filters

Nov 21, 2023AirbagsLane DepartureDriver assistanceCrash

1) Car pushed forward while parking @ 3-4 miles/per hour Car was totaled 2) Air bags did not deploy 3) Problem has not been reproduced or confirmed by dealer 4) Component was not confirmed by manufacturer. Police was present, reported to Insurance 5) While crashing through a store front, the Lane changing warning was displayed

NHTSA ODI 11556284

Working with the data? Download all 66 complaints as CSV · fetched from NHTSA July 26, 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 E-class Cabrio verdict →