Mercedes-benz Slk-class Engine Problems
27 owner complaints filed with NHTSA across 7 model years.
Complaints by Year
Worst year: 2005. Best year: 2015.
Owner Reports
A representative sample of complaints filed with NHTSA.
TL*THE CONTACT OWNS A 2005 MERCEDES BENZ SLK350. THE CONTACT STATED THAT THE VEHICLE SUDDENLY SHUT OFF TWICE WHILE DRIVING 40 MPH. THERE WAS PLENTY OF FUEL IN THE VEHICLE DURING BOTH FAILURES. THE VEHICLE COULD NOT BE RESTARTED ONCE I...
THE FUEL GAUGE IS WORKING ERRATICALLY. AFTER FILLING UP WITH FUEL, GAUGE SHOWS 3/4 FULL. NEXT MORNING, SHOWS FULL. AFTER DRIVING 25 MILES INTO WORK, FUEL GAUGE SHOW 1/4 FULL. END OF THE DAY, FUEL GAUGE SHOWS 1/2 FULL OR EMPTY. THE R...
TAKATA RECALL, AT 64,000 MILES THE FUEL PUMP WENT BAD ON 2007 SLK280. CAR DROVE 20MILES AT MOST A DAY. TRIED STARTING THE CAR AND HAD IT STALLED EVERY TEMPTED.
3 ISSUES--CAMSHAFT SELENOID; DEFECTIVE GEAR IN THE BALANCE SHAFTS OF THE ENGINE; TRANSMISSION VALVE BODY DEFECT. ALL THREE OF THESE ISSUES HAVE BEEN DOCUMENTED BY MERCEDES INTERNAL DOCUMENTS AND THERE IS A CLASS ACTION SUIT ON GOING FOR...
JUST GOT OFF THE HIGH WAY AND DRIVE ONTO A LOCAL STREET, THE CAR WOULD NOT SHIFT INTO ANY GEAR FORWARD OR REVERSE. END UP HAVING TO TOW THE CAR. LUCKILY IT DIDN'T HAPPEN WHILE I WAS AT THE HIGHWAY. *TR
THE EXHAUST ACTUATORS WERE DETERMINED BAD AND REPLACED NOW AT 47,000MILES THEY ARE BAD AGAIN AND NOT WARRANTIED AS THE STATE I RESIDE IN DOES REQUIRE EMISSIONS CONTROL INSPECTION AND MERCEDES IS AWARE THERE IS A DEFECT THIS SHOULD PROMPT...
DT: THE CONTACT STATED THE CAR WAS BURNING AN EXCESSIVE AMOUNT OF OIL. THE VEHICLE USED TWO QUARTS OF OIL AT ONLY 5, 500 MILES. THE DEALERSHIP TEST DROVE THE VEHICLE AND FOUND THAT THE VALVES WERE NOT SEATED. ALSO, AT TIMES WHILE PRESSIN...
EXCESSIVE OIL CONSUMPTION 7 - 8 QUARTS IN 6800 MILES . *NM
While passing a vehicle on a two lane road, my vehicle lost power and went into limp mode nearly causing a head on accident. The check engine light came on and i immediately went to O'Reilly's Auto parts store and had their OBD scanner r...
I am submitting this complaint to report a serious high‑pressure fuel system failure on my 2015 Mercedes‑Benz SLK 250 equipped with the M274 2.0L turbocharged engine, which resulted in a sudden and dangerous loss of propulsion. While...
My mechanic says it's the fuel filter and it has been discontinued. I am a single woman and I am now afraid to drive my car. l am stressed about breaking down or being killed. Please help me. [XXX] INFORMATION REDACTED PURSUANT TO THE...
improper heat treatment of the balance shaft spocket causing the balance shaft to worn out resulting in advance timing of the CAM. Mercedes acknowledges it's an known issue but don't cover cost of fixing it. Once ecu detected timing is...