BURNING SMELL WHEN AC TURNED ON. *TR
2006 Mercedes-Benz SLK-Class engine problems
moderate 3 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 3 most recent
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.
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
Common questions
How serious is the engine problem on the 2006 Mercedes-Benz SLK-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.