There are 2 owner-reported speed control & cruise complaints for the 2006 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2006 MERCEDES BENZ S430. THE CONTACT STATED THAT THE VEHICLE SUDDENLY ACCELERATED ON ITS OWN 1-2 TIMES A WEEK. IT WAS AN INTERMITTENT PROBLEM THAT RESULTED IN ANOTHER DRIVER DRIVING THE VEHICLE RUNNING INTO A BUILDING; THE DRIVER WAS PARKING AND WHILE COASTING, THE VEHICLE SUDDENLY LUNGED FORWARD AND ACCELERATED. THE DRIVER WAS SLIGHTLY INJURED. A POLICE REPORT WAS TAKEN. THE VEHICLE WAS TAKEN TO THE DEALERSHIP THREE TIMES AND THE DEALER TOLD HIM THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 140,000. THE FAILURE MILEAGE WAS APPROXIMATELY 90,000- UPDATED 4/23/10 *CN
AS YOU SLOW DOWN TO BRAKE THE CAR ACCELERATES ON ITS OWN CAUSING IT TO HIT A BUILDING. *TR
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 26, 2026