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What 20 owners told NHTSA about the 2022 Mercedes-benz E-class Wagon

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 (20)Crash / fire / injury (2)Electrical system (5)Fuel system (4)Driver assistance (3)Steering (3)Wheels (3)Brakes (2)Transmission & drivetrain (2)Body & structure (1)Engine (1)Lane Departure (1)

3 of 20 complaints match · Driver assistance · clear filters

Jan 7, 2026Speed controlDriver assistance

This vehicle on an ongoing basis is reporting false speed limits. It consistently abruptly drops the indicated speed limit from 70MPH on [XXX] northbound in Salt Lake City. the vehicle slows itself abruptly in traffic that is sometimes dense and traveling 70 to 80. An eventual rear end collision seems likely which could involve multiple vehicles. It intermittently presents the same risk in other locations with no as yet recognized associated variables such as the one location on [XXX]. Exact start and stop of the erroneous speed limit are not consistent. Sometimes brief and sometimes for a mile or more. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11709449

Jan 29, 2024Electrical systemDriver assistance

Auto break suddenly activated during traffic with no obstruction ahead. Also Automatic Headlamp Mode Inoperative comes on and off

NHTSA ODI 11568552

Apr 11, 2022Driver assistance

I was driving last week on a Dallas street. The public works people had place a 1 inch this rectangular steel cover over, presumably, a hole. The car slammed on the brakes, with a red light appearing on the instrument panel. Had a car been behind me, it would have read ended me. I spoke with Mercedes. They tell me that Mercedes has no ability to turn off the automatic breaking feature, and I should go [XXX] myself. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI 11460373

Working with the data? Download all 20 complaints as CSV · fetched from NHTSA July 19, 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 2022 Mercedes-benz E-class Wagon verdict →