2015 Mercedes-Benz GLA 250 Driver assistance Problems

Collision Prevention Assist Plus Inoperative Light on the dashboard it appears often and beep I am not sure and why

NHTSA ID

11714841

Incident

Jan 21, 2026

Car smell like fuel possibly fuel injectors or fuel line… recall on 2016-2021 models but 2015 having same issue Blind spot assist says inoperative Mercedes changed sensors multiple times still says inoperative

NHTSA ID

11629346

Incident

Dec 6, 2024

Engine Light Came up & CollIsion Warring Massage Show Up

NHTSA ID

11583514

Incident

Mar 4, 2024

Had an update on the software to control collision prevention on the car, and soon afterward it began to deploy at certain spots without any other car in front for at least 50 feet. Took it back to the M-B Seattle dealer and after 4 weeks of investigation, I was told that the matter is exterior to the car and that the car performs as intended. T still drive the car and it still gives me warnings of impending to engage the collision detection braking system. I don't feel very comfortable driving it in the city.

NHTSA ID

11499518

Incident

Nov 9, 2022

Upon start, got a "reverse not possible" warning. Tried to drive home, but shifting was very erratic and car slowed dramatically between shifts. On several occasions, cars behind me had to swerve to avoid me. And, if I would have had to reverse out of danger, I would have been in serious trouble. After too many close calls, I stopped to arrange a tow. When I returned to the car to move it, the problem went away. I am afraid to put my family in this car.

NHTSA ID

11482597

Incident

Sep 1, 2022

THE VEHICLE SLIPS INTO NEUTRAL AND SAYS 4 MATIC NOT AVAILABLE. I HAVE TO COAST TO A STOP AND THEN SHUTOFF THE VEHICLE, TURN IT OFF AND THEN RESTART IT. ALSO THE FORWARD COLLISION WARNING ALERTS WHEN I PASS UNDERNEATH A LARGE METAL FREEWAY SIGNAGE.

NHTSA ID

11416606

Incident

May 14, 2021

Mileage

72,000 mi

I WAS DRIVING TO MEET A FRIEND FOR LUNCH. I CAME UP UPON A STOP LIGHT THAT WAS ALREADY RED AND I WOULD HAVE BEEN THE THIRD CAR IN LINE. I CAME TO WHAT I THOUGHT WAS A STOP. I WAS ABOUT A CAR LENGTH OR MORE BEHIND THE CAR IN FRONT OF ME. NEXT THING I KNOW, I HEAR A LOUD BANG AS MY CAR HAD ACCELERATED INTO THE CAR IN FRONT OF ME WITH MY FOOT ON THE BRAKE. THAT CAR, IN TURN, HIT THE CAR IN FRONT OF THEM. I WAS VERY CONFUSED. I RECEIVED A TRAFFIC TICKET FOR UNCONTROLLED SPEED. THE POLICEMAN THOUGHT I WAS I WAS CRAZY WHEN I SAID THAT I HAD COME TO A STOP. THE CAR WAS DRIVABLE, SO I STILL WENT TO LUNCH WITH MY FRIEND. NO PROBLEM WHATSOEVER WITH PARKING OR DRIVING THE CAR TO THE RESTAURANT, WHICH WAS ABOUT 1 MILE AWAY. AFTER LUNCH, I THEN NEEDED TO RUN AN ERRAND BEFORE I WENT HOME. I DROVE ABOUT 2 BLOCKS AWAY FROM THE RESTAURANT AND PULLED INTO A SHOPPING CENTER. I THEN SLOWLY PULLED INTO A PARKING SPOT BETWEEN TWO OTHER CARS. AS MY CAR HIT THE CURB, IT THEN WENT OVER THE CURB, ONTO THE SIDEWALK AND SLAMMED INTO THE CONCRETE WALL OF ONE OF THE SHOPS. I WAS ABLE TO GET HOME, VERY SHAKEN, AND RESEARCHED ON THE INTERNET. EVERYTHING I FOUND INDICATED IT WAS SUDDEN UNINTENDED ACCELERATION (SUA). I TOLD MY INSURANCE COMPANY AND ALSO CALLED MERCEDES BENZ USA. I HAD MY CAR TOWED TO THE MERCEDES COLLISION REPAIR SHOP. MERCEDES DID A RECORDED CONVERSATION AND SAID NOT TO HAVE THE CAR REPAIRED AND THEY WOULD LOOK AT IT. THEY WERE DEFENSIVE WHEN I MENTION SUA, BUT MY MAT IS VELCROED ON AND IT HAPPENED TWICE IN ONE DAY. AFTER THE SECOND COLLISION, I SAW A MESSAGE ON MY DASH THAT SAID : ?COLLISION PREVENTION ASSIST PLUS INOPERATIVE". MY AIRBAGS NEVER DEPLOYED. I CHECKED AT THE MERCEDES COLLISION CENTER TODAY AND WAS TOLD MERCEDES REMOVED A BLACK RECORDING BOX FROM MY CAR. I HAVE NOT HEARD ANYTHING BACK AS OF YET. I AM AFRAID TO DRIVE THIS CAR EVEN IF IT IS REPAIRED.*DT *DT *TR

NHTSA ID

11234599

Incident

Jul 16, 2019

Mileage

40,000 mi

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 ID

11190094

Incident

Mar 10, 2019

Mileage

9,700 mi

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 ID

11048126

Incident

Mar 20, 2017

Mileage

350,000 mi

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 ID

10711863

Incident

Apr 18, 2015

Mileage

2,400 mi