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
2020 Mercedes-Benz GLB-Class airbags problems
severe 7 complaints filed with NHTSA · avg repair $1,100 · see airbags across all vehicles →
Complaints
7
Recalls
0
Avg fix
$1,100
1crash
2injuries
When does it fail?
Of the 7 airbags complaints filed for the 2020 Mercedes-Benz GLB-Class, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA airbags complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
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.
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…
Had airbags trouble with your 2020 Mercedes-Benz GLB-Class?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the airbags problem on the 2020 Mercedes-Benz GLB-Class?
It's a meaningful issue. 7 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,100.
At what mileage does the airbags typically fail?
Based on the 7 complaints filed, airbags issues most often appear around 2,627 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,100 for airbags repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to airbags?
No active recalls currently cover airbags issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Mercedes-Benz/GLB-Class.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.