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#BS-2021-MERGLB-2C802021 Mercedes Benz Glb 250
Based on reports from 38 owners and 10 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 38 complaints, 0 crashes, 0 fires, and 10 recalls.
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Mechanic Inspection Checklist
6 owners reported engine issues — failures commonly reported around 31K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (6 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2021 Mercedes Benz Glb 250: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 16% of all reports filed for the 2021 Mercedes Benz Glb 250, with 6 owners filing complaints with NHTSA. The median mileage at time of complaint is 30,600 miles, suggesting issues tend to surface around the 31K-mile mark.
Electrical Issues
Electrical complaints account for 11% of all reports filed for the 2021 Mercedes Benz Glb 250, with 4 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Suspension Issues
Suspension complaints account for 8% of all reports filed for the 2021 Mercedes Benz Glb 250, with 3 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 8% of all reports filed for the 2021 Mercedes Benz Glb 250, with 3 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2021 Mercedes Benz Glb 250. Recent trend: decreasing.



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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (10 recalls)
COMMUNICATION: AUTO CRASH NOTIFICATION
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.
STRUCTURE:BODY:TAILGATE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB35 AMG, and 2020-2021 GLB250 vehicles. The side spoilers on the tailgate might not have been installed correctly, allowing them to detach.
STRUCTURE:BODY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLB250 vehicles. The wheel arch covers on the front fenders might not have been installed correctly, allow them to detach.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
AIR BAGS:SIDE/WINDOW
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB 250 and AMG GLB 35 vehicles. The driver-side window air bag may not have been mounted correctly to the lower area of the A-pillar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "Ejection Mitigation."
+ 5 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 38 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 10 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Mercedes Benz Glb 250 Model Years
View all Mercedes Benz Glb 250 years →2021 Mercedes Benz Glb 250: Frequently Asked Questions
What is the most common problem with the 2021 Mercedes Benz Glb 250?
Is the 2021 Mercedes Benz Glb 250 reliable?
How much does it cost to fix 2021 Mercedes Benz Glb 250 problems?
Does the 2021 Mercedes Benz Glb 250 have any recalls?
What mileage do Mercedes Benz Glb 250 problems start?
What’s in the full report?
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10 sections of AI analysis based on 38 owner reports. Know before you buy.