Mercedes-benz Cls-class Engine Problems
116 owner complaints filed with NHTSA across 12 model years.
Complaints by Year
Worst year: 2006. Best year: 2022.
Owner Reports
A representative sample of complaints filed with NHTSA.
2015 mercedes benz CLS 400 - Engine caught fire while in a parking lot approximately 10 minutes after i parked it and went inside department store. The vehicle had no open recalls
ON MAY 19, 2014 I PURCHASED A 2009 MERCEDES CLS550 FROM MOSSY FORD DEALERSHIP IN SAN DIEGO, CA WITH A GUARANTEE OF NO CURRENT OR PRE-EXISTING MECHANICAL OR HAZARD ISSUES. DAYS AFTER PURCHASE I NOTICED ACCELERATION ISSUES, STRONG ODOR OF ...
The fuel tank has a leak from a defect in the plastic, and my local Mercedes dealership is unwilling to honor the Warranty Coverage Extension that covered fuel tank components to replace the fuel tank.
For several months I been smelling different odors from my 2012 CLS550, getting stronger as the weeks go by now smelling like gas, would noticed puddles whenever I parked from rear driver side area towards middle, just got the news from ...
I have a 2012 Mercedes-Benz CLS63 that is leaking fuel from the rear driver side by the tire. You can smell fuel inside the cabin of the vehicle very strong. On the vin plate on my door it says in my vehicle is built on April 2011 which ...
There is a strong odor of gasoline coming from the drivers side rear. I conducted a Google search on the issue and there are a lot of instances of the same thing. It appears to be the Gas Tank Sending Unit, they have a tendency to crack ...
The failed component of the car was the drivers side fuel transfer pump. After noticing the faint smell of gas in my car i checked under the rear driver side passenger seat. I was shocked to find more than 16 fluid ounces of gas floatin...
Premature rusting on brake and fuel lines which lead to further issues with driveability and saftey. This us caused by the same defects leading to the Premature rust on the subframe that can cause a serious wreck on the interstate.
the car started showing a low coolant message around 2017 about twice a year. I felt it was too often the message would come up. I would too off coolant each time to address it without seeing any leaks ever under the car. then 2018 thru...
The contact owns a 2019 Mercedes-Benz CLS53 AMG. The contact stated that while driving approximately 25 MPH, there was an abnormal clicking sound detected. The check engine warning light illuminated. The vehicle was towed to the local de...
Fuel smell inside of cabin
VERY STRONG GAS SMELL INSIDE THE CAR AND OUTSIDE THE CAR. GAS LEAKING ON THE FLOOR FROM GAS TANK AREA.