Home · 2018 Mercedes-benz S-class Hybrid · Complaints
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.
3 of 29 complaints match · Fuel system · clear filters
Vehicle Check Engine Light turned on a Vehicle Lost power. Vehicle often hesitates upon acceleration. Convertible Top does not close as well intermittently.
NHTSA ODI 11506663
The Smell of fuel is present inside the vehicle around 50 percent of the time. When parked in the garage the vehicle emits an extremely strong fuel smell as if it has leaked fuel with no visible spills or leaks. While driving the smell of fuel is present almost always.
NHTSA ODI 11490899
WHEN THE CAR IS LIFTED IN THE FRONT (TO CHANGE BOTH TIRES) THERE IS A STRONG ODOR OF FUEL COMING FROM THE REAR OF THE CAR WHEN WALKING AROUND THE BACK. THE TANK WAS 50%FULL AND THIS OCCURS WHENEVER THE CAR IS LIFTED IN THE FRONT.
NHTSA ODI 11405395
Working with the data? Download all 29 complaints as CSV · fetched from NHTSA July 14, 2026