Is the 2020 Mercedes-Benz GLB 250 4MATIC reliable?

The 2020 Mercedes-Benz GLB 250 4MATIC has 9 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: below-average. Most common issue: ENGINE problems.

What are common problems with the 2020 Mercedes-Benz GLB 250 4MATIC?

Top problems: ENGINE (2 complaints, avg repair $500); AIR BAGS (2 complaints, avg repair $500); FUEL SYSTEM (2 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Mercedes-Benz GLB 250 4MATIC?

No recalls have been issued for the 2020 Mercedes-Benz GLB 250 4MATIC.

How much does it cost to fuel a 2020 Mercedes-Benz GLB 250 4MATIC?

The 2020 Mercedes-Benz GLB 250 4MATIC gets 26 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $1846. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2020 Mercedes-Benz GLB 250 4MATIC?

Estimated US average full-coverage insurance for the 2020 Mercedes-Benz GLB 250 4MATIC is approximately $2,260/year (suv-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2020 Mercedes-Benz GLB 250 4MATIC

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2020 Mercedes-Benz GLB 250 4MATIC has 9 owner complaints filed with NHTSA — that's 1.0x the segment average of 9. The most common issue is engine problems (22% of all complaints), specifically: the vehicle was operating normally the previous night. we drove it and parked it in the driveway that evening, and it was not used again after that. the following morning, we started the vehicle to allow it to warm up and then returned inside the house. approximately 10 minutes later, we discovered . ⚠️ 2 fire reports filed.

2 fire reports

Total Complaints

Recalls Issued

—/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 6)

ENGINE

2 complaints

22%

• The vehicle was operating normally the previous night. We drove it and parked it in the driveway that evening, and it was not used again after that. The following morning, we started the vehicle to allow it to warm up and then returned inside the house. Approximately 10 minutes later, we discovered
• 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.

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“The vehicle was operating normally the previous night. We drove it and parked it in the driveway that evening, and it was not used again after that. The following morning, we started the vehicle to allow it to warm up and then returned inside the house. Approximately 10 minutes later, we discovered ”

— NHTSA complaint filing

Fuel Cost Calculator for 2020 Mercedes-Benz GLB 250 4MATIC

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$1,847

Per month

$154

Per mile

15.4¢

MPG

City driving (worst-case MPG)

$2,087/yr

Highway driving (best-case MPG)

$1,549/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2020 Mercedes-Benz GLB 250 4MATIC

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$2,260

Full coverage / month

$188

Liability only / year

$732

vs US avg

+35%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-luxury)1.35x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$2260

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mercedes-Benz GLB 250 4MATIC Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

10K mi

Brake fluid

24 months

Transmission fluid

40K mi

Engine coolant

150K mi

Spark plugs

60K mi

Cabin air filter

20K mi

Engine air filter

40K mi

Differential (AWD/4WD)

40K mi

Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mercedes-Benz New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

10 yr / 155K mi

Corrosion (rust perforation)

4 yr / 50K mi

Roadside assistance

4 yr / unlimited mi

EQ EV battery warranty is 10 years/155,000 miles

These are the terms for a new Mercedes-Benz. If you're buying a used 2020 GLB 250 4MATIC, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

AIR BAGS(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

OTHER(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 9 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: The vehicle was operating normally the previous night. We drove it and parked it in the driveway that evening, and it was not used again after that. The following morning, we started the vehicle to allow it to warm up and then returned inside the house. Approximately 10 minutes later, we discovered
Typically appears around 50K miles. Repair cost ~$500
☐
AIR BAGS: my car has only 24533 miles and Air bag malfunction message is showing up
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: 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.
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: The vehicle was operating normally the previous night. We drove it and parked it in the driveway that evening, and it was not used again after that. The following morning, we started the vehicle to allow it to warm up and then returned inside the house. Approximately 10 minutes later, we discovered
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Mercedes-Benz GLB 250 4MATIC — Year Comparison

How does 2020 compare to other years? Fewer complaints = more reliable.

2020

9Below Average

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints: 9
Recalls: 0
Fire reports: 2
Crash reports: 0
Injury reports: 0
Segment avg: 9

Check a Specific VIN

See recalls for YOUR 2020 Mercedes-Benz GLB 250 4MATIC

Compare With

2020 Ford ECOSPORT509 complaints 2020 Ford EDGE396 complaints 2020 Ford ESCAPE2011 complaints 2020 Ford ESCAPE HYBRID358 complaints