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Vehicle speed controlPart report

2020 Mercedes-Benz GLB 250 Vehicle speed control Problems

Complaints
3about this part
Share
6%of 54 total for the year
Median mileage
25,156miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the vehicle speed control of the 2020 Mercedes-Benz GLB 250, 6% of the 54 complaints for this model year. Where a mileage was given, the median is 25,156 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.

“There's a recall on the display monitor the screen will go black sometimes come back on sometimes never come back on there was a update to fix the issue if the update doesn't work they will have to change the display module or computer that controls it when I brought it to the dealer they want to charge me to replace the display or computer , I called the manufacturer and they refused to fix the recall problem”

NHTSA complaint #11512281, filed 2023-03

“The contact owns a 2020 Mercedes-Benz GLB250. The contact stated while the vehicle was at a stop light, the accelerator pedal was depressed however, the vehicle lunged backward. There was no warning light illuminated. The contact depressed the brake pedal to stop the vehicle. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer but was not diagnosed or repaired. The contact was informed by the dealer that the failure could not be duplicated. The manufacturer was made aware of the failure. The approximate failure mileage was 50,307.”

NHTSA complaint #11631409, filed 2024-12, 50,307 miles

Vehicle speed control: other model years

YearComplaintsShare of year
2022218%
202036%

Other parts of the 2020 Mercedes-Benz GLB 250

Body and structure
14 complaints
Other or unknown
11 complaints
Electrical system
10 complaints
Engine
6 complaints
Suspension
6 complaints
Fuel system
5 complaints
Air bags
4 complaints
Steering
4 complaints
Back-over prevention (rear camera)
2 complaints
Brakes
2 complaints
Transmission and drivetrain
2 complaints
Equipment
1 complaints

← All problems reported for the 2020 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