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What 300 owners told NHTSA about the 2014 Mercedes-benz E-class

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 (300)Crash / fire / injury (27)Airbags (58)Brakes (53)Electrical system (41)Fuel system (37)Suspension (29)Steering (28)Body & structure (24)Engine (23)Transmission & drivetrain (16)Wheels (11)

2 of 300 complaints match · Engine · crash/fire/injury only · clear filters

Sep 24, 2020EngineFire

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ E-350. THE CONTACT STATED THAT THERE WERE HIGH TEMPERATURE EMISSION FUMES COMING INTO THE ENGINE AND PASSENGER COMPARTMENTS. A MISSING BOLT THAT HOLDS THE EMISSIONS PORTIONS THAT ROUTS THE EMISSION FUMES OUT OF THE VEHICLE. THE ENGINE COMPARTMENT NOW HAD DAMAGE OF BURNED INSTALLATION, MELTED ELECTRICAL WIRING AND COMPONENTS AND THE FIRE WALL ALL HAVING TO BE REPLACED. THE DEALER (MERCEDES-BENZ OF WEST HOUSTON 1025 HIGHWAY 6 N, HOUSTON, TX 77079 (281) 492-5800) HAVE THE VEHICLE AND WERE PERFORMING THE REPAIRS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 84,579.

NHTSA ODI 11360917

Dec 25, 2018EngineCrash

FOOT ON BRAKE TO EFFECT REVERSE AND THE ENGINE ACCELERATED AT HIGH SPEED UNCONTROLLED AND HIT TWO CARS IN REVERSE AND TOTALLY DESTROYED MY CAR.. THE VEHICLE WAS STOPPED IN A PARKING LOT

NHTSA ODI 11163323

Working with the data? Download all 300 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 2014 Mercedes-benz E-class verdict →