There are 1 owner-reported tires & wheels complaints for the 2018 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
ON THE MORNING OF MARCH 8TH, MY VEHICLE WAS SITTING IN MY DRIVEWAY AND I STARTED IT. I RECEIVED A LOW TIRE PRESSURE WARNING FROM THE FRONT LEFT TIRE. I ADDED AIR FOR SEVERAL DAYS AND THEN ON MARCH 13TH TOOK THE VEHICLE TO A LOCAL AMERICAS TIRES FOR REPAIR. THE SHOP TOLD ME THE TIRE WAS FINE, THE RIM HAD DEVELOPED A HAIRLINE CRACK. I TOOK THE VEHICLE TO MERCEDES BENZ AND WITHOUT EVEN LOOKING AT THE RIM, THEY SAID THIS WAS NOT A DEFECT, BUT THAT I MUST HAVE DAMAGED THE RIM AND ALTHOUGH THE VEHICLE IS UNDER WARRANTY, THEY WOULD NOT REPAIR IT. I CAN FIND MANY CASES OF THIS ON LINE, AND THE SHOP TOLD ME "THIS IS COMMON WITH MERCEDES".
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