Last updated: 2026-07-26
Mercedes-Benz GLB Reliability by Year
The Mercedes-Benz GLB averages 69/100 across 5 model years, rated good.
Mercedes-Benz GLB Reliability Overview
The Mercedes-Benz GLB, covering model years 2020 to 2024, holds an average reliability score of 69/100, categorized as good according to the Auto Reliability Index. Common issues reported by owners include structural, electrical, and engine problems, with a noted improvement in complaint rates over the years, from 24.2 complaints per 10,000 sold in 2020 to 2.7 in 2024. With an estimated annual repair cost of $908 and a medium reliability rating of 3/5, the GLB is best suited for those who prioritize spaciousness and luxury but should be aware of potential early-life defects and ongoing maintenance needs.
Current generation: 1st gen (2020–present), facelifted 2024.
Best & Worst Mercedes-Benz GLB Years
Comprehensive reliability analysis based on NHTSA data, owner complaints, and historical performance.
Best Mercedes-Benz GLB Years to Buy
Based on reliability index scoreThe best Mercedes-Benz GLB year is 2022 with a reliability score of 75/100, rated good. Other strong picks include 2023 (74/100) and 2024 (72/100).
Mercedes-Benz GLB Years to Avoid
The worst Mercedes-Benz GLB year is 2020 with a score of 59/100, primarily due to structure (13) issues.
Mercedes-Benz GLB Reliability Score Trend
Mercedes-Benz GLB reliability has improved in recent years, with newer models scoring an average of 74/100 compared to 62/100 for older years.
Scores 0–100. Higher is better.
| Year | Score | Rating |
|---|---|---|
| 2020 | 59/100 | Mixed |
| 2021 | 65/100 | Good |
| 2022 | 75/100 | Good |
| 2023 | 74/100 | Good |
| 2024 | 72/100 | Good |
Year-by-Year Reliability
2024 Mercedes-Benz GLB
1 recalls · 4 complaints
The 2024 Mercedes-Benz GLB has good reliability. There are 1 recall and 4 owner complaints on file for the 2024 Mercedes-Benz GLB. The most commonly reported problem areas are: Electrical System (2), Engine (1), Unknown Or Other (1).
2023 Mercedes-Benz GLB
0 recalls · 12 complaints
The 2023 Mercedes-Benz GLB has good reliability. There are 0 recalls and 12 owner complaints on file for the 2023 Mercedes-Benz GLB. The most commonly reported problem areas are: Engine (3), Power Train (3), Unknown Or Other (2).
2022 Mercedes-Benz GLB
0 recalls · 13 complaints
The 2022 Mercedes-Benz GLB has good reliability. There are 0 recalls and 13 owner complaints on file for the 2022 Mercedes-Benz GLB. Severity signals include 2 crash-related complaints. The most commonly reported problem areas are: Forward Collision Avoidance (3), Vehicle Speed Control (2), Suspension (2).
2021 Mercedes-Benz GLB
10 recalls · 30 complaints
The 2021 Mercedes-Benz GLB has good reliability. There are 10 recalls and 30 owner complaints on file for the 2021 Mercedes-Benz GLB. The most commonly reported problem areas are: Unknown Or Other (8), Electrical System (6), Engine (4).
2020 Mercedes-Benz GLB
19 recalls · 56 complaints
The 2020 Mercedes-Benz GLB has mixed reliability. There are 19 recalls and 56 owner complaints on file for the 2020 Mercedes-Benz GLB. Severity signals include 2 crash-related complaints and 1 fire-related complaint. The most commonly reported problem areas are: Structure (13), Unknown Or Other (10), Electrical System (9).
Found Your Mercedes-Benz GLB? Check Its History
Every Mercedes-Benz GLB has a different past. Before you buy, a VIN check reveals hidden accidents, title problems, and open recalls.
- Accidents
- Open Recalls
- Title History
- Odometer Rollback
Mercedes-Benz GLB Repair Costs
Reliability Rating
3/5
Annual Repair Cost
$908
Mercedes-Benz GLB Years to Avoid
See which model years have the most problems
Most Reliable Mercedes-Benz Models
Compare all Mercedes-Benz models by reliability
Compare Mercedes-Benz GLB With Similar SUVs
The Mercedes-Benz GLB competes with other midsize suvs such as Cadillac XT4, Buick Envision, and Cadillac XT6.
Cadillac XT4 reliability
8 years tracked · 101 complaints
Buick Envision reliability
9 years tracked · 131 complaints
Cadillac XT6 reliability
7 years tracked · 103 complaints
Infiniti QX60 reliability
9 years tracked · 182 complaints
Buick Encore GX reliability
7 years tracked · 210 complaints
Frequently Asked Questions
- Is the Mercedes-Benz GLB reliable?
- The Mercedes-Benz GLB has good reliability with an average score of 69/100. Some model years are stronger than others — check individual years before buying.
- What is the best year for the Mercedes-Benz GLB?
- The best year for the Mercedes-Benz GLB is 2022 with a reliability score of 75/100, rated good. It has 0 recalls and 13 owner complaints on record. See full 2022 Mercedes-Benz GLBanalysis →
- What are the Mercedes-Benz GLB years to avoid?
- The Mercedes-Benz GLB years to avoid include 2020 (59/100). These model years score significantly below the model average due to higher recall and complaint volumes. See the full years-to-avoid analysis for details. See full years-to-avoid analysis →
- How much does it cost to maintain a Mercedes-Benz GLB?
- The Mercedes-Benz GLB has an estimated annual repair cost of $908. This includes both scheduled maintenance and unscheduled repairs based on independent repair data.
How We Calculate Reliability Scores
Auto Reliability Index scores are calculated on a 0–100 scale using a weighted formula that combines multiple public data sources. Each factor is weighted based on its predictive value for real-world ownership experience.
Key Ranking Factors
Complaint Severity
NHTSA owner complaints weighted by component category (e.g., powertrain, safety systems, electronics, cosmetic) — safety-critical issues carry more weight than cosmetic ones. Adjusted for sales volume so high-volume models aren't unfairly penalized.
Repair Costs
Independent reliability ratings based on repair frequency, average repair costs, and severity of typical repairs for each model.
Recall Impact
Number of NHTSA recalls weighted by severity. “Stop driving” and fire-risk recalls are penalized more heavily than minor software or labeling recalls.
Issue Diversity
Measures how many major vehicle systems (engine, transmission, electrical, braking, etc.) have recorded complaints. A vehicle with issues spread across many systems may indicate systemic quality issues.
Scores are grouped into four tiers:
- 80–100: Excellent— Top-tier reliability, minimal issues
- 60–79: Good— Reliable with some minor concerns
- 40–59: Mixed— Notable issues, research before buying
- 0–39: Risky— Significant problems, proceed with caution
Data is sourced from NHTSA recall records, owner complaint filings, and independent repair databases. Scores are recalculated as new data becomes available. While the weighting model is proprietary, all underlying data sources are public and traceable.
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