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What 3 owners told NHTSA about the 2014 Mercedes-benz Slk-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 (3)Body & structure (2)Engine (1)

2 of 3 complaints match · Body & structure · clear filters

Dec 31, 2020Body & structure

MARS RED PAINT FAILURE-

NHTSA ODI 11385751

Apr 28, 2015Body & structure

ROOF LEAKS PASSENGER SIDE. HAVE TAKEN IT INTO THE DEALER 4 TIMES BETWEEN NOV 2014 AND APR 2015 (2-1/2 MONTHS IN SHOP PLUS 97 MILES DRIVEN) AND STILL HAS NOT BEEN FIXED. *TR

NHTSA ODI 10713479

Working with the data? Download all 3 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 2014 Mercedes-benz Slk-class verdict →