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Mercedes-Benz GLB 250 4MATICModel year report

2020 Mercedes-Benz GLB 250 4MATIC Problems

Complaints
8filed with NHTSA
Median mileage
—no mileage reported
Recalls
1campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—no overall rating published
EPA fuel economy
26 mpgcombined, 2.0L 4-cyl 4WD · 23 city / 31 hwy

Sources: NHTSA records for the 2020 Mercedes-Benz GLB 250 4MATIC (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 8 consumer complaints for the 2020 Mercedes-Benz GLB 250 4MATIC. The part named most often is engine, with 4 complaints (50% of the total), followed by electrical system (3) and fuel system (3). Of all complaints, 1 involved a crash, 1 a fire, according to the filers. NHTSA lists 1 recall campaign and 58 technical service bulletins for this model year. Engine complaints overlap with 4 technical service bulletins filed under the same part. Electrical system complaints overlap with 30 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Engine: “I have a passenger malfunction with airbags warning coming. I also just experienced getting gas. My milage counted down to zero which it never has before and my engine light came on. I went and got gas 3 times spending around $70 and my gas mileage still says 0 and my engine light is on.”

NHTSA complaint #11735064, filed 2026-05

Electrical system: “My 2020 Mercedes-Benz GLB has a serious, unresolved safety issue involving the hood-latch warning and windshield wipers. While I am driving, the hood-open warning appears and the windshield wipers cut in and out or shut off unexpectedly. This problem was already occurring by March 2026. The vehicle currently has approximately 85,000 miles. During the recent heavy rain in New Jersey, these interruptions have compromised my visibility while the vehicle was moving. When the wipers stop clearing rain, my ability to see traffic, pedestrians, lane markings, and roadway hazards is impaired. …”

NHTSA complaint #11764044, filed 2026-09

Fuel system: “Extended warrenty information mercedez benz has issued warrenty to that applie to condistions as listed above (exhaust valve, cyliner head ) back 08/04/2023 the car has in mercedez benz and have failed to pick on the extended warrrenty repairs and we now find out this cased more damage to the engine and needs to replace camshat and , control valve, roller rocker arm, and engine camshaft follower . It's all because dealership failed and notfiy us of needed repairs . …”

NHTSA complaint #11744345, filed 2026-06

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20268
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2020 Mercedes-Benz GLB 250 4MATIC version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
GLB250 4matic 4WD2.0L 4-cyl8-speed automatic233126$3,150

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2020 Mercedes-Benz GLB 250 4MATIC → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 58 on record; the latest 10 are shown.

See all 58 bulletins →

Other model years of the Mercedes-Benz GLB 250 4MATIC

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20208—1—26—Not enough data

All Mercedes-Benz GLB 250 4MATIC model years

Frequently asked questions

How many NHTSA complaints does the 2020 Mercedes-Benz GLB 250 4MATIC have?

NHTSA recorded 8 consumer complaints for the 2020 Mercedes-Benz GLB 250 4MATIC as of Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2020 Mercedes-Benz GLB 250 4MATIC is reported most often?

Engine is named most often, in 4 complaints (50% of the total), followed by electrical system with 3.

Has the 2020 Mercedes-Benz GLB 250 4MATIC been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2020 Mercedes-Benz GLB 250 4MATIC get?

The EPA rates the 2020 Mercedes-Benz GLB 250 4MATIC (GLB250 4matic, 2.0L 4-cyl) at 26 mpg combined, 23 city and 31 highway, with an estimated annual fuel cost of $3,150 at 15,000 miles a year. Other engine and drive versions are rated differently.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.