AVOIR

2021 Mercedes-Benz GLS450 4matic

Ownership intelligence · Standard Sport Utility Vehicle 4WD · Premium Gasoline
53
Poor
Avoid
AVOIR Score out of 100

What's a 2021 Mercedes-Benz GLS450 4matic worth?

$36,372 – $47,998
Estimated used-market value · median $37,980 · based on 11 recent listings from AVOIR's resale panel (updated weekly).
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Category Scores

Reliability 52
Longevity 60
Maintenance 60
Depreciation 35
Performance 72
Efficiency 37

Reliability & Ownership FAQ

Is the 2021 Mercedes-Benz GLS450 4matic reliable?

AVOIR rates the 2021 Mercedes-Benz GLS450 4matic's reliability 52/100 — average — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 53/100 (Poor).

How long will a 2021 Mercedes-Benz GLS450 4matic last?

AVOIR scores the 2021 Mercedes-Benz GLS450 4matic's longevity 60/100 (average), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.

What does it cost to own a 2021 Mercedes-Benz GLS450 4matic?

AVOIR scores the 2021 Mercedes-Benz GLS450 4matic on maintenance 60/100 and depreciation 35/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.

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AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.