CARFOCAL

2018 Mercedes-Benz GL-Class Report

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

Updated Jun 14, 2026Ethan Miller

Overall Score

Our Verdict
Proceed with caution

Key Takeaways

  • Exceptional reliability with zero recalls and zero complaints reported.
  • Suggests a low likelihood of significant mechanical or safety defects.
  • Official safety ratings are not available for this model year.
  • Standard luxury SUV ownership costs should be anticipated.
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Overview

2018 Mercedes-Benz GL-Class

The 2018 Mercedes-Benz GL-Class, a large luxury SUV, stands out in the used market for its exceptional reported reliability. With no recalls or owner complaints logged, this model appears to have avoided significant widespread issues. While official safety ratings are unavailable, the lack of reported problems suggests a solid mechanical and structural foundation. Buyers can expect a premium experience, but as with any luxury vehicle, thorough inspection is always recommended.

Critical Failure Risk

Exceptional reliability with zero recalls and zero complaints reported.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Reliability

Practicality

Buyer Fit

Who This Car Is For

Best for

Buyers seeking a spacious and luxurious SUV with a strong reliability history.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers who are sensitive to potentially high maintenance and repair costs typical of luxury brands.

+1 more buyer-fit warnings in the full report

2018 Mercedes-Benz GL-Class Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Mercedes-Benz GL-Class.

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

- Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake 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 (6 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 2018 Mercedes-Benz GL-Class reliable?

The CarFocal Reliability Score for the 2018 Mercedes-Benz GL-Class is 9.1/10. Reliability score is 9.1/10. NHTSA recalls: 0. Owner complaints: 0.

How practical is the 2018 Mercedes-Benz GL-Class for daily use?

Practicality score is 5.0/10.

What is the overall score for the 2018 Mercedes-Benz GL-Class?

The CarFocal Overall Score for the 2018 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 2018 Mercedes-Benz GL-Class?

Based on Carfocal's data, First listed service: - Oil Change (5W-40 Synthetic) (Parts: 5W-40 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake 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 2018 Mercedes-Benz GL-Class?

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

What body style is the 2018 Mercedes-Benz GL-Class?

According to CarFocal's specs for the 2018 Mercedes-Benz GL-Class, body style is suv.