2018 Mercedes-Benz GLS-Class Report

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

Updated Jun 14, 2026Daniel Wilson
2018 Mercedes-Benz GLS-Class Report

Overall Score

Our Verdict
Proceed with caution

Key Takeaways

  • Zero recalls and zero complaints reported, indicating a statistically strong reliability profile.
  • The absence of reported issues necessitates a thorough pre-purchase inspection to ensure overall vehicle health.
  • All-Wheel Drive (AWD) provides confident traction in various weather conditions.
  • Focus on verifying complete service history and checking for any non-reported anomalies during inspection.
Overview

2018 Mercedes-Benz GLS-Class

The 2018 Mercedes-Benz GLS-Class offers a luxurious and capable full-size SUV experience. As a used model, its appeal is amplified by a remarkably clean record, with no reported recalls or consumer complaints in the available data. This suggests a robust build and few systemic issues. However, this lack of data also means a higher degree of due diligence is required from potential buyers. A comprehensive pre-purchase inspection is essential to uncover any potential issues not captured in official records.

Critical Failure Risk

Zero recalls and zero complaints reported, indicating a statistically strong reliability profile.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Reliability

Practicality

The score is supported by solid day-to-day usability signals.

Buyer Fit

Who This Car Is For

Best for

Families seeking a spacious, luxurious, and highly capable three-row SUV.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers expecting low running costs; luxury SUV maintenance can be expensive.

+2 more buyer-fit warnings in the full report

2018 Mercedes-Benz GLS-Class Reliability Analysis

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

Limited reliability records are available for this model year.

Specs

Vehicle Specs

Seating Capacity
7
Drivetrain
AWD/All-Wheel Drive
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) - Oil Filter Replacement - Tire Rotation and Pressure Check - Comprehensive Inspection (Brakes, Suspension, Fluids)

Est. shop cost: $250 - $450

10,000 mi

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

Full pre-purchase inspection checklist
Complete maintenance schedule (4 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
Full safety recall details
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FAQ

FAQ

Is the 2018 Mercedes-Benz GLS-Class reliable?

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

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

Practicality score is 10.0/10. The score is supported by solid day-to-day usability signals. Seating capacity is 7. 5 passenger doors are listed.

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

The CarFocal Overall Score for the 2018 Mercedes-Benz GLS-Class is 6.9/10. Overall score is 6.9/10 (Good). Confidence 41%. Maintenance 7.9/10. Practicality 10.0/10.

What does it cost to own and maintain a 2018 Mercedes-Benz GLS-Class?

Based on Carfocal's data, First listed service: - Synthetic Oil Change (5W-40) - Oil Filter Replacement - Tire Rotation and Pressure Check - Comprehensive Inspection (Brakes, Suspension, Fluids) at 10,000 miles. Estimated first-year maintenance: $700 - $1,200. Repair prediction highlight: Brake Pads and Rotors (typical at 60,000 miles, estimated cost Min: $800 • Max: $1,500).

What is the MSRP range for the 2018 Mercedes-Benz GLS-Class?

Base MSRP is $94,950.

What driver assistance and safety features are available on the 2018 Mercedes-Benz GLS-Class?

11 standard and 2 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2018 Mercedes-Benz GLS-Class?

According to CarFocal's specs for the 2018 Mercedes-Benz GLS-Class, seating capacity is 7.

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

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

What drivetrain does the 2018 Mercedes-Benz GLS-Class use?

According to CarFocal's specs for the 2018 Mercedes-Benz GLS-Class, drivetrain is AWD/All-Wheel Drive.