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Visibility (wipers, defrost, mirrors)Part report

2021 Mercedes-Benz GLB 250 Visibility (wipers, defrost, mirrors) Problems

Complaints
2about this part
Share
7%of 29 total for the year
Median mileage
13,716miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the visibility of the 2021 Mercedes-Benz GLB 250, 7% of the 29 complaints for this model year. Where a mileage was given, the median is 13,716 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Driving on north bound of Merritt Parkway between exit 17 and 18. Today 12/10/25 9:28 AM My panoramic sunroof exploded ! all catch on video, driver on the vehicle behind me , came to check on me; and told me the glass went over four feet up in the air and then hit his vehicle windshield, I call Mercedes Benz customer service support to report the incident and open a case, they told me to drive to the closest dealer from the incident (Mercedes Benz of Fairfield) when I arrived and show the vehicle to the technician, he was trying to tell me that was my fault and he never heard such a thing of…”

NHTSA complaint #11704359, filed 2025-12

“The contact owns a 2021 Mercedes-Benz GLB250. The contact stated that the vehicle was parked in the garage; however, after driving out of the garage, the contact became aware of a crack on the windshield from the rear-view mirror ten inches downward. The contact stated that the crack seemed to be on the inside over the sensors. The vehicle had not yet been diagnosed or repaired. The dealer nor manufacturer was notified of the failure. The failure mileage was 13,716.”

NHTSA complaint #11540001, filed 2023-08, 13,716 miles

Related service bulletins

Visibility (wipers, defrost, mirrors): other model years

YearComplaintsShare of year
2023218%
202219%
202127%
202012%

Other parts of the 2021 Mercedes-Benz GLB 250

Other or unknown
10 complaints
Engine
7 complaints
Electrical system
4 complaints
Suspension
4 complaints
Body and structure
3 complaints
Transmission and drivetrain
3 complaints
Back-over prevention (rear camera)
2 complaints
Fuel system
2 complaints
Steering
2 complaints
Wheels
2 complaints
Air bags
1 complaints
Brakes
1 complaints

← All problems reported for the 2021 Mercedes-Benz GLB 250

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology