There are 5 owner-reported brakes complaints for the 2017 Mercedes-Benz E-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
2017 Mercedes Benz E300 38k miles Parking brake malfunction. Replaced rear two Electric parking brake module /actuator. Still have the same problem. Mercedes Benz are claiming it to be ABS module.
The contact owned a 2017 Mercedes-Benz E300W. The contact stated while driving approximately 35 MPH he was side swiped on the drivers side door by another vehicle causing his vehicle to jump the curb. The contact stated he had a brake malfunction and had to depress the brake pedal to the floorboard. The contact had to steer the vehicle into a fence in order to come to a stop. The contact stated no warning light was illuminated. The police were called and filed a police report. The contact had the vehicle towed to a collision center. The vehicle was not diagnosed or repaired. The contact's insurance company declared the vehicle a total loss. The contact suffered injuries to his back, both knees and his head from hitting the steering wheel, but did not seek medical attention until later. The airbags did not deploy. The manufacturer had been informed of the failure. The failure mileage was approximately 21,000.
I WAS JUST DRIVING HOME ON A CITY STREET (9/20/18) AT ABOUT 35 MPH WHEN UNEXPECTEDLY THE BRAKES ON MY E43 LOCKED UP LAUNCHING MYSELF AND MY PASSENGER FORWARD AGAINST OUR SEAT BELTS. THE ANTI-LOCK BRAKES ENGAGED; I HEARD THE REAR TIRES "CHATTER". THE CAR DID NOT COME TO A COMPLETE STOP; THE BRAKES DISENGAGED AND WE ROLLED FORWARD. UNTIL I REALIZED WHAT HAPPENED I THOUGH I HIT SOMETHING. THERE WAS NO ONE IN FRONT OF ME, BUT THERE WAS SOMEONE BEHIND AND BESIDE ME. I TOOK THE CAR INTO MERCEDES AND THEY UPDATED THE SOFTWARE AND CHECKED THE SENSORS AND REPORTED BACK THAT EVERYTHING IS WORKING PROPERLY. SINCE THEY DID NOT FIND ANYTHING SPECIFIC - I FEEL THAT THE CAR HAS A DEFECT THAT IS DANGEROUS TO THE PUBLIC AND SHOULD BE RECALLED UNTIL A SOLUTION CAN BE DEMONSTRATED. THE PUBLIC NEEDS TO KNOW ABOUT THIS. OTHERS HAVE REPORTED THIS EXACT OCCURENCE. THIS IS A DEFECT THAT WILL RESULT IN SERIOUS INJURY - OR WORSE. THE CAR HAS PREMIUM PACKAGE 3 WHICH INCLUDES THE ACTIVE BRAKE ASSIST PROGRAM. I SUSPECT THIS WAS THE PROBLEM. ANOTHER PERSON REPORTED THIS WHEN CROSSING ONTO A BRIDGE. THAT WAS MY SPECIFIC EVENT ALSO; THE CAR DIPPED SLIGHTLY AS I WENT FROM STREET PAVEMEN TO BRIDGE PAVEMENT. PLEASE COMPEL MERCEDES TO TAKE RESPONSIBLE ACTION AND TAKE STEPS NECESSARY TO PROTECT THE PUBLIC; REGARDLESS OF HOW RARE THE EVENT MAY BE.
TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ E300. WHILE DRIVING VARIOUS SPEEDS, THE BRAKES SPONTANEOUSLY ENGAGED, THE VEHICLE STOPPED, AND THE EMERGENCY BRAKE INDICATOR ILLUMINATED AND BEEPED. THE VEHICLE WAS TAKEN TO LOKEY MOTOR COMPANY (19820 US HWY 19 N, CLEARWATER, FL 33764, (727) 362-6657) WHERE IT WAS DIAGNOSED THAT THE RADAR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 10,000.
THE BRAKE PEDAL IS TOO CLOSE TO THE CENTER CONSOLE. THE SPACE FOR MY FOOT ON THE GAS PEDAL IS ONLY ABOUT 1/4-INCH WIDER THAN MY FOOT. SO, IN AN EMERGENCY SITUATION, WHEN TRYING TO LIFT MY FOOT OFF THE GAS PEDAL TO APPLY THE BRAKES, MY FOOT BECAME ENTANGLED WITH THE BRAKE PEDAL. BY THE TIME I FINALLY GOT MY FOOT ON TOP OF THE GAS PEDAL, IT WAS ALMOST TOO LATE. I ALMOST CRASHED.
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