"How reliable is the 2020 Mercedes-Benz Glb 250?"

"Based on 69 NHTSA complaints, the 2020 Mercedes-Benz Glb 250 has a median complaint mileage of 8000 miles. The most common issue is UNKNOWN OR OTHER."

"What are common problems with the 2020 Mercedes-Benz Glb 250?"

"The most frequently reported component in NHTSA complaints for the 2020 Mercedes-Benz Glb 250 is UNKNOWN OR OTHER, accounting for a significant portion of the 69 total complaints filed."

2020 Mercedes-Benz Glb 250: Reliability Data

Source: NHTSA — 69 complaints

Total Complaints

8,000mi

Median Mileage

UNKNOWN OR OTHER

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

1,500 25th Percentile

8,000 Median Mileage

22,300 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

STRUCTURE:BODY

ENGINE

SUSPENSION

AIR BAGS

STRUCTURE

VEHICLE SPEED CONTROL

FUEL SYSTEM, GASOLINE

STEERING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"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."

"NEW 2020 GLB250 WITH 800 MILES OF HIGHWAY DRIVING. WHILE ON THE HIGHWAY DRIVING AT 75-80MPH, THE FRONT FENDER FLARE (DRIVER SIDE) PARTIALLY DETACHED ITSELF. THIS IS THE BLACK PIECE OF PLASTIC TRIM AROUND THE OUTSIDE OF THE WHEEL WELL. THE FRONT HALF OF THE FLARE PIECE WAS DETACHED AND FLYING IN THE ..."

"ON FRIDAY 7/17/2020 AROUNDNOON, I WASDRIVING MYMB GLB THAT WAS BOUGHT LESSTHAN90 DAYS AGO WHEN SUDDENLY THE DASHBOARD WENT BLANK. I COULD NOT SEE SPEED, GAS GAGES OR ANY OTHER SAFETY FEATURES THAT WOULD BE ON THE DASH. I WAS BASICALLY BLINDED. I CALLED MERCEDES 911 AFTER STOPPING THE CAR. WE TRIED T..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28