There are 4 owner-reported speed control & cruise complaints for the 2007 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE CONTACT STATED THAT I PURCHASED A USED MERCEDES FROM BMW OF MOBILE. WHILE DRIVING THE CAR IT LOSES POWER. I WAS ON THE INTERSTATE AND IT LOSS POWER. I ALMOST HAD A PANIC ATTACK BECAUSE THE CAR WAS SLOWING DOWN. I HAD NO IDEA WHAT WAS GOING ON. I HAD TO MAKE MY WAY TO THE RIGHT LANE TO GET OFF THE ROAD. THE CARS WERE DRIVING 70 AND 80 MPH. THEY COULD HAVE RAMMED INTO THE BACK OF MY CAR NOT KNOWING MY CAR WAS SLOWING DOWN. I COULD HAVE BEEN KILLED DRIVING THIS DEFECTIVE VEHICLE!!! I INFORMED BMW AND THEIR TECHNICIAN SAID IT WAS THE BATTERY AND A STARTER. I PAID $600 FOR THE REPAIR. THEY WERE WRONG THE CAR STILL LOSES POWER. I HAD TO BEG AND PLEAD WITH THEM TO HAVE MERCEDES OF MOBILE DIAGNOSE THE CAR. THEY SAID THEY WOULD PAY FOR THE DIAGNOSIS BUT NOT THE REPAIRS. IF I TRADED THE CAR BACK TO THEM THEY WOULD DEDUCT THE REPAIRS FROM THE CAR. THE OTHER OPTIONS WERE TO LET IT GO BACK TO THE FINANCE COMPANY OR TAKE IT TO ANOTHER DEALERSHIP AND NOT TELL THEM WHAT GOING ON WITH THE CAR. THEY PAID MERCEDES OF MOBILE TO DIAGNOSIS IT AND THEY IMMEDIATELY STATED THE ISSUE. I WENT TO BMW TO ASK FOR A REFUND AND REPAIR BUT THEY REFUSE TO DO ANY ABOUT THE CAR LOSING POWER. CONTACTS ALSO STATES THAT THE MERCEDES WOULD PAY FOR DIAGNOSIS BUT NOT TO REPAIR. I WOULD NOT RECOMMEND THIS DEALERSHIP TO ANYONE. THEY SHOULD HAVE HAD THIS CAR CHECKED OUT THOROUGHLY AT MERCEDES IF THEY DID NOT HAVE THE APPROPRIATE KNOWLEDGE OF THE CAR. *LN *TP
VEHICLE IS STOPPED AT TRAFFIC LIGHT WITH DRIVER'S FOOT ON BRAKE. ENGINE REVS UP FOR A MOMENT AND VEHICLE LURCHES FORWARD. HAPPENED AT TWO STOPS AT LIGHTS WITHIN A FEW MINUTES. *TR
TL*THE CONTACT OWNS A 2007 MERCEDES S550. THE CONTACT NOTICED THAT WHILE IDLE IN TRAFFIC IF HE REMOVED HIS FOOT OFF OF THE BRAKE PEDAL OR ACCELERATOR PEDAL IT WOULD SURGE FORWARD. THE FAILURE OCCURRED EVERY TIME HE DROVE THE VEHICLE AND WAS IDLE IN TRAFFIC. THE DEALER WAS AWARE OF THE FAILURE; HOWEVER, HE WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER INSPECTED THE VEHICLE AND ADVISED THE CONTACT TO DRIVE IN SECOND GEAR RATHER THAN FIRST. NO REPAIRS WERE PERFORMED. THE CURRENT MILEAGE WAS 24,366 AND THE FAILURE MILEAGE WAS 22,895. UPDATED 5/9/11 *CN UPDATED 05/18/11 UPDATED 06/01/11*LJ *TR
TL*THE CONTACT OWNS A 2007 MERCEDES BENZ S550. WHILE DRIVING 65 MPH, THE VEHICLE LUNGED FORWARD AND BACKWARDS AND THEN STOPPED WITHOUT WARNING. THE ENGINE REMAINED RUNNING; HOWEVER, THE VEHICLE WOULD NOT ACCELERATE. AS OF DECEMBER 20, 2007, THE DEALER HAD NOT INSPECTED THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 32,000. UPDATED 01/17/08 *BF THE CONSUMER STATED IT HAS BEEN DETERMINED BY THE ELECTRONIC TRANSMISSION EXPERT THERE WAS MASSIVE INTERNAL FAILURE, AND CAN NOT DETERMINED WHETHER THERE WAS A DEFECTIVE PART OR COMPUTER FAILURE. UPDATED 01/17/08 *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