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What 100 owners told NHTSA about the 2015 Mercedes-benz GLA

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (100)Crash / fire / injury (5)Engine (31)Transmission & drivetrain (15)Airbags (13)Electrical system (13)Body & structure (12)Fuel system (12)Visibility & wipers (10)Brakes (5)Driver assistance (4)Electronic Stability Control (esc) (3)

3 of 100 complaints match · Electronic Stability Control (esc) · clear filters

Mar 19, 2019Electrical systemElectronic Stability Control (esc)Brakes

WE HAVE HAD THIS CAR ABOUT A YEAR, WE ENCOUNTER NUMEROUS OCCASION THE THE "COLLISION ASSIST PLUS" HAS ENGAGED INTERMITTENTLY W/O ANY REASONABLE OBSTACLE IN FRONT OF THE CAR WHEN IT IS IN MOTION. ABOUT A MONTH AGO, THE CAR GAVE MESSAGE "COLLISION ASSIST INOPERATIVE" AND I CAN EVEN GET THE CAR IN GEAR NOT WITH MULTIPLE RESTART. LAST WEEK I WENT OUT WITH MY WIFE AND THE CAR STOP ON THE BUSY STREET ON THE STOP AND GO TRAFFIC AND THE CAR DID "AUTO START STOP" WAS UNABLE TO RESTART AND IT DISENGAGE THE TRANSMISSION AND I HAD TO RESTART THE CAR MANUALLY AND REENGAGE THE TRANSMISSION. I HAD FILE COMPLAINT ABOUT INTERMITTENT "COLLISION ASSIST " CONDITION TO THE DEALER (HOUSE OF IMPORT, BUANA PARK, CA), THE SERVICE ADVISER SAID IT IS NORMAL FOR THE COLLISION ASSIST ACTING UP SOME TIME. I BELIEVE THERE ARE SOME SOFTWARE GREMLIN OR SOME OTHER ECU ISSUE NEED TO BE ADDRESS. IT S A SAFETY CONCERN TO KEEP DRIVING THIS CAN W/O ANY SOLUTION, I DID CONTACTED MBZ USA, THEY OFFER NO HELP NOR SOLUTION AT ALL.

NHTSA ODI 11190094

Nov 23, 2017AirbagsElectronic Stability Control (esc)Fuel systemCrash2 injuries

TAKATA RECALL. I WAS IN AN ACCIDENT IN MY CAR IN MARCH OF 2017 WHERE DRIVER AND PASSANGER AIRBAGS WERE DEPLOYED. DRIVER'S FRONT TOOTH WAS KNOCKED OUT AND LEFT SIDE DAMAGED. PASSANGER SIDE AIRBAGS SIDE AIRBAG DEPLOYED BUT NOT SURE ABOUT REST. I DON'T KNOW IF THE AIRBAGS DID WHAT THEY WERE SUPPOSED TO BUT THE CAR IS A TOTAL LOSS AND WITH MY INSURANCE AND TITLE HOLDER (CAR LOAN). THE DRIVER HAD SKIN LACERATIONS FROM AIRBAG AND I DN'T KNOW WHAT WENT OFF WHERE AND HAVE MEMORY LOSS SO THE INSURANCE COMPANY WOULD BE BETTER ABLE TO ASESS.

NHTSA ODI 11048126

Apr 21, 2015Speed controlElectronic Stability Control (esc)

I HAVE LEASED GLA 250 MERCEDES BENZ WHILE I WAS DRIVING ON THE FREEWAY, I FELT THE GAS PEDAL STOP WORKING AND THE CAR STOPPED ACCELERATING WITH SIGN OF "COLLISION PREVENTION ASSIST PLUS" ON THE CARPOOL LANE. I DO NOT UNDERSTAND WHY THIS IS HAPPENING EVEN THOUGH THERE WAS NO CAR IN FRONT OF ME. I HAVE BEEN A MERCEDES BENZ CUSTOMER PAST 5 YEARS AND I NEVER HAD THIS ACCIDENT. I MIGHT HAVE AN ACCIDENT IF A CAR BEHIND ME DID NOT STOP ITS CAR. THIS IS A DEFINITELY MECHANICAL PROBLEM AND I WANT MERCEDES BENZ TO TAKE A RESPONSIBILITY AND SOLVE THIS ISSUE. THANK YOU. *TR

NHTSA ODI 10711863

Working with the data? Download all 100 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Mercedes-benz GLA verdict →