There are 1 stored owner reports matching the electrical system leading-label group for the 2015 Mercedes-Benz GLA-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)DRIVING AT APPROX. 30MPH AND SUDDENLY THE ENTIRE DASH LIT UP, ALL RED AND YELLOW SYMBOLS ALONG WITH A MSG IN THE DISPLAY TO THE EFFECT OF COLLISION AVOIDANCE SYSTEM INOPERATIVE, STOP IMMEDIATELY. THIS MAY NOT HAVE BEEN THE EXACT MSG. AT THE SAME TIME THE CAR DECELERATED TO A STOP ALMOST IMMEDIATELY. OBVIOUSLY I DID NOT NEED TO BRING THE VEHICLE TO A STOP. IT FELT LIKE THE DECELERATION OF THE ENGINE BEING OFF BUT THE CAR STILL IN GEAR WITH THAT STOPPING THE CAR. DID NOT USE BRAKES TO STOP CAR. THIS WAS VERY SUDDEN. THE ENGINE WAS NOT RUNNING AFTER STOPPING BECAUSE THE TACH WAS AT ZERO. THE DASH STAYED LIT AND THE CAR WAS STILL IN DRIVE GEAR ON THE INDICATOR. I PRESSED THE BUTTON TO PUT IT IN PARK AND THEN WITH MY FOOT ON THE BRAKE PRESSED TO START THE ENGINE. IT RESTARTED EXCEPT NOW ONLY THE CHECK ENGINE LIGHT WAS LIT. I DROVE TO THE DEALER. HAD THIS HAPPENED A FEW MOMENTS EARLIER ON THE FREEWAY IT COULD HAVE BEEN DISASTROUS. CAR IS NOW AT THE DEALER AND THEY SAID THEY'VE NEVER HEARD OF THIS. THIS HAPPENED ON A 3 LANE EACH WAY LOCAL ROAD. WAITING FOR DIAGNOSIS BUT STILL VERY DANGEROUS IN MY OPINION.
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.
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.