There are 3 owner-reported engine complaints for the 2006 Mercedes-Benz SLK-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DRIVING ON FREEWAY... ALL OF SUDDEN CAR GOES IN LOW GEAR NO WARNING HAS DONE THIS ABOUT 4 TIMES. TWICE ALMOST REAR ENDED. TOOK TO SHOP WAS TOLD IT WAS VALVE BODY/ CONDUCTOR PLATE ISSUE THAT WOULD HAVE TO BE FIXED AT DEALER DUE TO A DEFECTIVE PART MB USED ON THIS TRANSMISSION. CAR WENT INTO LIMP MODE AND WOULD NOT GO INTO GEAR. VALVE BODY / CONDUCTOR PLATE REPLACEMENT
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ SLK280. THE CONTACT STATED THAT THE CHECK ENGINE WARNING INDICATOR ILLUMINATED CONTINUOUSLY. THE DEALER STATED THAT THE INTAKE MANIFOLD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 48,000.
BURNING SMELL WHEN AC TURNED ON. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026