There are 7 owner-reported brakes complaints for the 2007 Mercedes-Benz SL-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE BRAKES TOTALLY FAILED WITH LITTLE WARNING. IN MID-OCTOBER, 2018 DRIVING ABOUT 15 MPH MY BRAKE LIGHT CAME ON AND THEN WITHIN APPROXIMATELY 5 SECONDS ALARMS STARTED SOUNDING AND I TOTALLY LOST ALL BRAKING POWER. MERCEDES OF DENVER REPAIRED. ON DECEMBER 17 SAME EXACT THING HAPPENED AT AN EVEN SLOWER SPEED BUT THIS TIME THE LOSS OF BRAKES WAS INSTANTANEOUS. VERY CONCERNED WHAT WOULD HAVE HAPPENED HAD THIS HAPPENED AT HIGHER SPEED.
THE VEHICLES BRAKES STOPPED WORKING DUE TO THE SENSOTRONIC BRAKE CONTROL UNIT. I'M TOLD THAT THERE IS A LIMITED SET NUMBER OF HOW MANY ITERATIONS YOU CAN GET OUT OF THIS PART BEFORE IT STOPS WORKING.
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ SL600. WHILE THE VEHICLE WAS IN REVERSE, THE ABS AND ESP WARNING INDICATORS ILLUMINATED AND THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD. THE FAILURE OCCURRED ONE OTHER TIME. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS CATASTROPHIC BRAKE FAILURE AND THE SBC UNIT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 92,000.
ALMOST EXACTLY ONE YEAR AFTER DEALERSHIP "FIXED" THE SAME PROBLEM, THE BRAKES ON THE VEHICLE TOTALLY FAILED WHILE DRIVING. AFTER THE INITIAL FAILURE IN 2013, I WAS ASSURED THAT THIS PROBLEM WAS FIXED. I WAS VERY RETICENT, BUT DROVE THE CARE AGAIN. HOWEVER, BASED ON THE SECOND TOTAL FAILURE OF THE BRAKING SYSTEM, THE VEHICLE IS WORTHLESS. MERCEDES BENZ SAYS THEY HAVE FIXED THE PROBLEM, BUT IT IS THE SAME ASSURANCE THEY GAVE ME THE FIRST TIME. THE CAR IS 2007 SL 550 WITH APPROXIMATELY 60K MILES. *TR
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ SL550. THE CONTACT STATED THAT THE BRAKE FAILED TO ENGAGE WHILE DRIVING 25 MPH. THE VEHICLE WAS TOWED TO THE DEALER WHERE A DIAGNOSTIC WAS PERFORMED THAT DETERMINED THAT THE BRAKING SYSTEM EXPERIENCED A TOTAL FAILURE. THE BRAKING SYSTEM WAS REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 57,000.
POWER ASSIST HYDRAULIC PUMP FAILED. *TR
DEFECTIVE BRAKES AND ROTORS ON MERCEDES S550 WEAR AT UNACCEPTABLE RATE RESULTING IN THE MERCEDES BENZ OF SARASOTA SERVICE CENTER ADVISING THE S550 IS UNSAFE TO DRIVE. *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