NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2013 Mercedes-Benz GL-Class. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
I WAS DRIVING FREEWAY 5N (12/20/12) ABOUT 200 MILES N OF LA WITH MY DISTRONIC PLUS SET FOR 79 MPH WHEN THE DISTRONIC QUIT CAUSING THE CAR TO SUDDENLY DECELERATE AND WITHOUT ANY WARNING. A CAR THAT WAS FOLLOWING (TOO) CLOSELY HAD TO BRAKE TO AVOID HITTING ME. I RECEIVED 3 ERROR MESSAGES SAYING DISTRONIC PLUS INOPERATIVE, ACTIVE LANE KEEPING ASSIST INOPERATIVE AND ACTIVE BLIND SPOT ASSIST INOPERATIVE. MY MANUAL HAS ERROR MESSAGES THAN CAN OCCUR BUT DID NOT SHOW THE ERROR MESSAGES I RECEIVED ON THE DASH READ-OUT. ON 1/9/13 THE DISTRONIC FAILED AGAIN IN THE SAME WAY WITH THE SAME MESSAGES. I TOOK THE CAR TO MERCEDES ON 1/17/13 FOR INSPECTION. THE DEALER FOUND "NO RELATED FAULT CODES PRESENT". I HAVE ASKED MERCEDES REPEATEDLY IF THIS IS SUPPOSED TO HAPPEN AND THEY WILL NOT ANSWER MY QUESTION. AND THEY HAVE NOT ANSWERED WHY MY ERROR MESSAGES ARE NOT SHOWN ANYWHERE IN THEIR MANUALS. ON A TEST DRIVE WITH A SERVICE TECH ON 3/21/13 THE DISTRONIC FAILED TO BRAKE THE VEHICLE WHEN THE VEHICLE CAME UPON A PARKED CAR AND ALSO A CAR IN THE DRIVING LANE. THIS HAPPENED 5 TIMES. THE SERVICE TECH SUPERVISOR DROVE THE CAR AND HAD THE EXACT EXPERIENCE. ON APRIL 4, 2013 I HAD AN APPOINTMENT TO HAVE MY CAR DRIVEN BY A FACTORY REP. THE MERCEDES FACTORY TECHNICAL SPECIALIST AND THE PENSKE SHOP SUPERVISOR DROVE AND TESTED MY CAR SEVERAL TIMES. THE VEHICLE DID NOT STOP OR SOUND A TONE WHEN COMING UP ON STOPPED VEHICLES OR CARS IN THE DRIVING LANE WHEN THE DISTRONIC PLUS WAS ACTIVATED WHICH IS NOT HOW IT IS DESIGNED TO WORK. NOT KNOWING THE CAUSE THE MB FST NOTED ON MY WORK ORDER OF APRIL 4, 2013: 5442 MB FTS TO REVIEW. I HAVE NOT HEARD BACK FROM MERCEDES ON THESE ISSUES OTHER THAN A BUY BACK OFFER THAT STATES THAT MY CLAIMS ARE "DOUBTFUL" WHICH IS SIMPLY NOT TRUE. THEIR RESPONSE IS IRRESPONSIBLE AND INSULTING. I WANT MY CAR FIXED SO IT IS SAFE TO DRIVE.
1- BRAKES; VIBRATION AND SEVER SHAKING WHILE BREAKING , SINCE 11/2012 AT 2500 MILES NOW AT 14000 MILES . PADS AND ROTORS HAS BEEN CHANGED 3 TIMES AND PROBLEM IS KEEP COMING BACK / 2- VIBRATION WHILE DRIVING : SINCE 11/2012 VEHICLE VIBRATES AT ALL DRIVING SPEED 35-70 AND VARIES OF THE ROADS. HAS BEEN TO SERVICES 8 TIMES . ALL TIRES HAS BEEN REPLACED AT 7K MILES. VEHICLE SYMPTOMS GETS BETTER AFTER ROAD FORCE BALANCE BUT RETURNS AFTER FEW HUNDRED MILES. MB USA HAS DECLINED THE REPAIR! 3- ADDITIONAL PROBLEMS; DRIVER SIDE LUMBAR SUPPORT . REAR DOOR COULD NOT BE CLOSED , COOLING SYSTEM HOSE PROBLEM , KEY FOBS NEEDED TO BE REPLACED , AC CONTROL DOES NOT ADJUST AUTOMATICALLY IN AUTO POSITION. PRE SAFE COLLUSION SYSTEM PROBLEM. *TR
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.