
2020 Mercedes-Benz GLB 250
Problems, Recalls & Reliability Report
Quick Summary
The 2020 Mercedes-Benz GLB 250 has 69 owner complaints filed with NHTSA — that's 2.8x the segment average of 25. The most common issue is body/structure problems (19% of all complaints), specifically: 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 . There are 6 recalls issued for this model year.
69
Total Complaints
6
Recalls Issued
—/5
Safety Stars
2.8x
vs Segment Avg
Known Problems(top 5 of 8)
BODY/STRUCTURE
13 complaints- • 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
- • TL* THE CONTACT OWNS A 2020 MERCEDES BENZ GLB250. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V480000 (STRUCTURE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. A DEALER
- • TL* THE CONTACT OWNS A 2020 MERCEDES-BENZ GLB250. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V480000 (STRUCTURE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. MERCEDES BENZ OF SANTA ROSA (2885 CORBY AVE, SANTA ROSA, CA 95407) WAS CONTACTED AND CONFIRMED THAT PAR
“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 ”
— NHTSA complaint filing
When Problems Appear on the 2020 Mercedes-Benz GLB 250
Based on 29 owner complaints that included an odometer reading. Median mileage at time of complaint: 8K miles. Most complaints cluster in the 0-30K miles range.
BODY/STRUCTURE
ELECTRICAL
Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.
Recalls (6)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Fix: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
Fuel Cost Calculator for 2020 Mercedes-Benz GLB 250
Live EIA pricesBased 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 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2020 Mercedes-Benz GLB 250
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Mercedes-Benz GLB 250 Service Intervals
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
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, 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
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 69 owner complaints for this specific year, here's what to check or ask about:
- ☐BODY/STRUCTURE: 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
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: 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
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: 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
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: CHECK ENGINE LIGHT AT 1500 MILES
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 6 recalls have been completed — free at any Mercedes-Benz dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz GLB 250 — Year Comparison
How does 2020 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 69
- Recalls
- 6
- Fire reports
- 0
- Crash reports
- 2
- Injury reports
- 3
- Segment avg
- 25
Check a Specific VIN
See recalls for YOUR 2020 Mercedes-Benz GLB 250