There are 1 owner-reported speed control & cruise complaints for the 2003 Mercedes-Benz C-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNS A 2003 MERCEDES C240. SHE STATED THAT HER VEHICLE WOULD NOT ACCELERATE FAST ENOUGH TO SAFELY MERGE IN AND OUT OF TRAFFIC. THE MANUFACTURER STATED THAT THEY WOULD BE UNABLE TO ASSIST HER AND THEY WOULD NOT ACCEPT THE EXTENDED WARRANTY. THE CONTACT STATED THAT SHE WOULD FILE A COMPLAINT WITH THE STATE ATTORNEY GENERALS OFFICE DUE TO HER VEHICLE BEING A LEMON. THE FAILURE WAS 77 AND THE CURRENT MILEAGE WAS 40,900.
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