Jun 6, 2020Electrical system
ELECTRICAL IGNITION LOCK, REPARKED CAR ONE DAY, NEXT DAY ENGINE WOULD NOT CRANK. VEHICLE WAS STATIONARY IN DRIVEWAY. *TR
NHTSA ODI 11327504
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What 7 owners told NHTSA about the 2012 Mercedes-benz CLA
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.
2 of 7 complaints match · Electrical system · clear filters
Feb 6, 2020Electrical systemEngine
TL* THE CONTACT OWNS A 2012 MERCEDES BENZ CLS 550. THE CONTACT STATED WHILE DRIVING AT AN UNKNOWN SPEED, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO MERCEDES-BENZ OF ALEXANDRIA (200 S PICKETT ST, ALEXANDRIA, VA 22304) WHERE THE VEHICLE WAS DIAGNOSED. THE CONTACT WAS INFORMED THAT AN OIL LEAK HAD CAUSED DAMAGE TO A WIRING HARNESS, THE ENGINE CONTROL MODULE AND SEVERAL OTHER UNSTATED ELECTRICAL FAILURES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THERE WAS NO ADDITIONAL ASSISTANCE PROVIDED. THE FAILURE MILEAGE WAS 610,708.
NHTSA ODI 11307528
Working with the data? Download all 7 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 2012 Mercedes-benz CLA verdict →