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2021 Mercedes-Benz GL-Class Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 14, 2026·Ryan Davis

Overall Score

6.9/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • Exceptional reliability indicated by zero recalls and zero consumer complaints.
  • NHTSA safety ratings are not available for this model year.
  • Fuel economy data is not provided, suggesting potential for higher running costs.
  • This GL-Class appears to be a well-built vehicle with minimal reported issues.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 Mercedes-Benz GL-Class

The 2021 Mercedes-Benz GL-Class stands out in the used luxury SUV market, primarily for its exceptional reported reliability. With no recalls or consumer complaints logged by NHTSA, this model year suggests a high degree of manufacturing quality and component integrity. While specific performance figures and fuel economy data are not detailed here, the absence of reported issues points to a vehicle that has largely met owner expectations without significant mechanical or safety concerns.

Critical Failure Risk

Exceptional reliability indicated by zero recalls and zero consumer complaints.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls0
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Full Vehicle Specifications ↓

Reliability

9.0/ 10

Practicality

5.0/ 10
Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing proven reliability and peace of mind in a luxury SUV.

+3 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers concerned about potentially high fuel costs, as MPG data is unavailable.

+2 more buyer-fit warnings in the full report

2021 Mercedes-Benz GL-Class Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 Mercedes-Benz GL-Class.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects

Limited reliability records are available for this model year.

Specs

Vehicle Specs

Body Style
Suv

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Most Common Issues

No complaint hotspot data available yet.

See all common issues in the maintenance guide

First Service Interval

- Synthetic Oil Change (5W-40) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Check (Coolant, Brake, Power Steering)

Est. shop cost: $150 - $250

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (5 service intervals)
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
Full safety recall details
Final buyer verdict: should you buy?
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FAQ

FAQ

Is the 2021 Mercedes-Benz GL-Class reliable?▾

The CarFocal Reliability Score for the 2021 Mercedes-Benz GL-Class is 9.0/10. Reliability score is 9.0/10. NHTSA recalls: 0. Owner complaints: 0.

How practical is the 2021 Mercedes-Benz GL-Class for daily use?▾

Practicality score is 5.0/10.

What is the overall score for the 2021 Mercedes-Benz GL-Class?▾

The CarFocal Overall Score for the 2021 Mercedes-Benz GL-Class is 6.9/10. Overall score is 6.9/10 (Good). Confidence 41%. Maintenance 9.3/10. Practicality 5.0/10.

What does it cost to own and maintain a 2021 Mercedes-Benz GL-Class?▾

Based on Carfocal's data, First listed service: - Synthetic Oil Change (5W-40) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Fluid Level Check (Coolant, Brake, Power Steering) at 10,000 miles. Estimated first-year maintenance: $300 - $500.

What driver assistance and safety features are available on the 2021 Mercedes-Benz GL-Class?▾

1 standard driver assistance features. Key features include Tire Pressure Monitoring System.

What body style is the 2021 Mercedes-Benz GL-Class?▾

According to CarFocal's specs for the 2021 Mercedes-Benz GL-Class, body style is suv.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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