There are 5 owner-reported air bags & restraints complaints for the 2020 Mercedes-Benz GLB-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Driver hit at or around 35 MPH while making a left turn. Side airbags failed to deploy and did not protect driver from head/neck/shoulder injury. Upon impact, the seat belt did not restrain driver's body from thrashing against driver's car door.
GOT WARNING LIGHT ON IN DECEMBER 7TH 2020 SAYING "FRONT RIGHT AIRBAG MALFUNCTION". TOOK CAR FOR SERVICE AND APPARENT SOLVED ISSUE. TODAY DECEMBER 17TH 2020 THE PROBLEM IS BACK AGAIN.*DT THE CONSUMER SUBMITTED AN INVOICE FOR REPAIRS. *TR
FOUR WEEKS AGO I TURNED ON MY CAR AND SAW A WARNING LIGHT THAT SAID "LEFTSIDE CURTAIN AIRBAG MALFUNCTION". I IMMEDIATELY CALLED THE MERCEDES 800 NUMBER AND THEY TRANSFERRED ME TO MY LOCAL SERVICE CENTER. I TOOK IT IN AND THE GUY WAS SUPER NICE, THEY PROVIDED ME WITH A LOANER AND HE SAID HE WOULD CALL ME WHEN THE WORK WAS COMPLETE. HE CALLED ME THAT EVENING AND TOLD ME THAT MY CAR WAS READY. I PICKED IT UP THE NEXT MORNING AND THE WARNING LIGHT WAS GONE. YES! FLASHFORWARD THREE WEEKS AND THE WARNING LIGHT CAME ON AGAIN. I CALLED THE SERVICE CENTER AND THEY IMMEDIATELY SET UP A SERVICE APPOINTMENT FOR THAT AFTERNOON. HE WAS AGAIN REALLY NICE AND SAID IT MIGHT TAKE LONGER TO DIAGNOSE AND FIX. NO PROBLEMS WITH THE LENGTH OF TIME AND ONCE MORE THEY PROVIDED ME WITH A LOANER. FOUR DAYS LATER AND STILL WAITING FOR A CALL THAT THE CAR HAD BEEN FIXED. MY MAIN ISSUE IS THAT THIS IS THE 2ND TIME I HAVE HAD THE SAME ISSUE AND I HOPE IT IS THE LAST!
LEFT CURTAIN AIRBAG MALFUNCTION LIGHT. THE CAR WAS TAKEN TO THE DEALER AND THE AIRBAG WAS REPLACED. AFTER TAKING THE CAR BACK THE LEFT CURTAIN AIRBAG MALFUNCTION LIGHT CAME ON AGAIN.
DEALERSHIP FIRST QUOTED US A LOWER PRICE THEN AT THE TIME OF SELLING CHARGED US MORE I HAVE THE PROVES ,THEN SHOWED US THIS PARTICULAR VEHICLE WHICH THEY SOLD US WITH A SPARE TYRE BUT TOOK OUT WHEN THEY HANDED THE KEY,, WHICH WE REALIZED WHEN WE WERE DRIVING ON THE ROAD. 2ND THE TRUNK WHERE THE TYRE WAS KEPT WAS HANDED OVER BROKEN.3.FIRST WEEK THE CAR HAD AIR BAG WARNING ON 4.THE SUN ROOF WAS TREMBLING AND SHAKING MAKING NOISES IN THE FIRST WEEK 5.THE TRUNK AUTOMATIC FOOT OPENER NEVER WORKED SINCE FIRST WEEK .IN THE FIRST WEEK THE WARNING FOR SERVICING ALSO CAME UP,SO PRACTICALLY WE HAVE BEEN TAKING THIS BRAND NEW VEHICLE TO THE REPAIR SERVICE CENTER EVERY WEEK ,KINDLY SEE THE LOG BOOK ,FEEL TOTALLY UNSAFE DRIVING THIS CAR MERCEDES AMG GLB 2020 BBOUGHT FROM BEVERLY HILLS DEALERSHIP,, LA. WE HAVE ALL THE PROVES PICTURES WHEN REQUIRED.THX
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