2020 Mercedes-Benz GLB — Carivo review 2020 model shown
SUV

2020 Mercedes-Benz GLB

Independent review & score by Carivo

Price Range $38,016–$46,710
Fuel Economy 24 MPG
Seating 7 passengers
Category SUV
Est. Annual Fuel $2,188/yr
The 2020 Mercedes-Benz GLB scores 7.3/10 at Carivo, ranking #1384 of 2454 suvs and an estimated $2,188/year fuel cost.

Key Specifications — 2020 Mercedes-Benz GLB

Seating Capacity7 passengers
Body StyleSUV
Base Price$38,016–$46,710

Source: EPA FuelEconomy.gov & manufacturer data. Figures reflect base trim; actual specs vary by trim level.

About the 2020 Mercedes-Benz GLB

Our scoring places the 2020 Mercedes-Benz GLB at 7.3/10 overall, which translates to a Good rating for this suv. Its strongest dimension is Safety at 8.2/10, while Performance at 6.7/10 is where it trails the competition most noticeably. It's a capable but unexceptional suv — stronger alternatives exist if you're willing to shop the segment carefully.

Reliability and safety are the two dimensions that matter most for long-term ownership costs. Reliability is the weak spot: 6.8/10, under the class average. Review the recall record on this page and price in extra maintenance headroom. The safety score of 8.2/10 is solid mid-pack territory. If advanced driver aids matter to you, compare standard equipment carefully and verify ratings at nhtsa.gov.

Performance at 6.7/10 is a genuine liability and a score that should factor heavily into any buying decision. The powertrain and chassis dynamics trail class rivals by a meaningful margin — don't overlook it. Tech rates a reasonable 7.8/10: the essentials are covered and well executed, but rivals at the same price often include more as standard.

Priced from $38,016–$46,710, 24 MPG, seating 7, the Mercedes-Benz GLB sits in the mid-market bracket of the suv segment. The 7.5/10 value score says the pricing is fair rather than generous; cross-shop the segment before signing anything. At 6 years old, resale value, parts availability, and whether a successor model has improved on its weak points are all worth investigating before committing.

Our take: The 2020 Mercedes-Benz GLB is a passable suv but not a standout one. Weaknesses in reliability and performance hold it back from being a strong recommendation. It may suit buyers with specific needs it serves well, but we'd encourage comparing at least two or three higher-scored alternatives before deciding.

Carivo scores are our own editorial assessment, informed by NHTSA safety and recall records, EPA fuel-economy figures, and manufacturer-published specifications. Scores are reviewed periodically and updated when new data becomes available. See our full methodology →

How It Ranks Among SUVs

The 2020 Mercedes-Benz GLB ranks #1384 of 2454 suvs in the Carivo database — better than 44% of the segment. Its 7.3/10 overall score is 0.1 points below the segment average of 7.4/10. Its $38,016 starting price sits close to the segment's median of $36,079.

Rankings are recalculated as new vehicles and scores are added. See the full SUV ranking → · Best SUVs under $50k →

5-Year Cost Snapshot — 2020 Mercedes-Benz GLB

Fuel (75,000 miles)~$10,940 ($2,188/year at $3.50/gal)
InsuranceVaries widely by driver and state — always quote the exact trim before buying

We only print costs we can compute from sourced data (EPA fuel economy, NHTSA recalls). We don't estimate maintenance or depreciation — anyone who gives you one number for those is guessing.

Which GLB Year Should You Buy?

Across the GLB model years we've scored, the 2020 holds its position — we didn't find an older year that delivers similar scores for meaningfully less money.

YearScoreStarting price (MSRP when new)
2026 7.5/10$44,496 Read review →
2025 7.5/10$44,496 Read review →
2024 7.5/10$43,200 Read review →
2023 7.4/10$41,904 Read review →
2022 7.3/10$40,608 Read review →
2021 7.3/10$39,312 Read review →
2020 (this review) 7.3/10$38,016

Pros & Cons — 2020 Mercedes-Benz GLB

✓ What it does well

  • Strong safety ratings from NHTSA and independent testers
  • Good overall value; holds its own against pricier alternatives in the segment
  • Modern, intuitive tech suite with wireless connectivity and up-to-date ADAS
  • Versatile body style handles daily commuting and weekend adventures equally well

✗ Where it falls short

  • Reliability scores are mid-pack; some owners report higher-than-expected maintenance needs
  • Driving dynamics are adequate but uninspiring; not the choice for enthusiast drivers

Common Questions — 2020 Mercedes-Benz GLB

Is the 2020 Mercedes-Benz GLB reliable?

We rate the 2020 Mercedes-Benz GLB's reliability 6.8/10 — below the segment average, so budget for higher maintenance.

Is the 2020 Mercedes-Benz GLB worth buying?

It scores 7.3/10 overall, ranking #1384 of 2454 suvs in our database (better than 44% of the segment). Stronger-scoring alternatives exist at similar prices — use our compare tool before committing.

How much does the 2020 Mercedes-Benz GLB cost?

The 2020 Mercedes-Benz GLB starts at $38,016 and ranges up to $46,710 across trims (MSRP when new). At 24 MPG, expect roughly $2,188/year in fuel at 15,000 miles/year.

Which GLB years should you avoid?

No standout weak years: across the 7 GLB model years we've scored, every year lands within half a point of the best (7.5/10). Pick on price and condition rather than year.

Owner Essentials — Mercedes-Benz GLB

Practical extras owners actually buy. These are Amazon search links — as an Amazon Associate, Carivo earns from qualifying purchases at no cost to you.

All-weather floor mats → Dash cam → OBD2 scanner → Phone mount →

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More Mercedes-Benz Reviews

Explore the full lineup of Mercedes-Benz models scored by Carivo — ranked by overall score across reliability, safety, value, performance, and technology.