There are 2 owner-reported suspension complaints for the 2018 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Vehicle Check Engine Light turned on a Vehicle Lost power. Vehicle often hesitates upon acceleration. Convertible Top does not close as well intermittently.
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