There are 1 stored owner reports matching the speed control & cruise leading-label group for the 2003 Mercedes-Benz S-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)TL*THE CONTACT OWNS A 2003 MERCEDES BENZ S430. THE CONTACT STATED THAT THE VEHICLE DOES NOT ACCELERATE WHEN THE ACCELERATOR PEDAL IS DEPRESSED. THE VEHICLE REACTED AS IF THE BRAKE PEDAL WAS DEPRESSED. HE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT THE VEHICLE WAS PROGRAMMED IN THAT MANNER. THE DEALER KEPT THE VEHICLE AND PROVIDED HIM WITH A LOANER. THE LOANER WAS A MERCEDES ALSO, BUT THE FAILURE DID NOT OCCUR. THE CONTACT BELIEVES THAT THE FAILURE WAS DUE TO A MANUFACTURER DEFECT. THE MECHANIC STATED THAT THEY COULD NOT ASSIST. THE CURRENT AND FAILURE MILEAGES WERE 64,000. UPDATED 08/28/09 *BF UPDATED 08/31/09.*JB
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.