Mercedes Benz GL MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes Benz GL. Check any GL by registration number below.

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86.9%

Avg Pass Rate

-3.3%

vs Mercedes Benz Avg

Year Ranges

Excellent

Reliability

Mercedes Benz GL — MOT Reliability Overview

The Mercedes Benz GL has an average MOT pass rate of 86.9%, which is 3.3 percentage points below the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the GL is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Mercedes Benz GL fails its MOT are tyre tread depth not in accordance with the requirements, brake pipe damaged or excessively corroded, a suspension pin, bush or joint excessively worn. If you are preparing your GL for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used Mercedes Benz GL, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Mercedes Benz GL performs at MOT across different model years.

2021

Based on 71 vehicles

98.6%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Mileage at 3yr

48k mi

2020

Based on 92 vehicles

98.9%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Mileage at 3yr

37k mi

2019

Based on 180 vehicles

92.2%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

3.9%

Retest Rate

6.2%

Mileage at 5yr

56k mi

2018

Based on 85 vehicles

92.9%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

1.7%

Retest Rate

5.0%

Mileage at 5yr

67k mi

2017

Based on 58 vehicles

77.6%Good

Mercedes Benz average: 90.2%

Dangerous Defects

4.7%

Retest Rate

9.3%

2016

Based on 653 vehicles

88.5%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

3.7%

Retest Rate

10.2%

2015

Based on 1,775 vehicles

87.5%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

4.3%

Retest Rate

11.6%

Mileage at 10yr

134k mi

2014

Based on 1,739 vehicles

89.6%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

2.9%

Retest Rate

9.4%

Mileage at 10yr

152k mi

2013

Based on 1,661 vehicles

88.6%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

2.2%

Retest Rate

11.9%

Mileage at 10yr

162k mi

2012

Based on 299 vehicles

84.3%Good

Mercedes Benz average: 90.2%

Dangerous Defects

1.0%

Retest Rate

14.2%

2011

Based on 811 vehicles

83.8%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.2%

Retest Rate

14.0%

2010

Based on 606 vehicles

85.6%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

2.8%

Retest Rate

9.0%

2009

Based on 302 vehicles

77.2%Good

Mercedes Benz average: 90.2%

Dangerous Defects

5.9%

Retest Rate

18.6%

2008

Based on 531 vehicles

82.5%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.4%

Retest Rate

13.8%

2007

Based on 768 vehicles

82.3%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.5%

Retest Rate

15.7%

2006

Based on 201 vehicles

79.6%Good

Mercedes Benz average: 90.2%

Dangerous Defects

7.2%

Retest Rate

28.0%

Top MOT Failures — Mercedes Benz GL

The most common reasons a Mercedes Benz GL fails its MOT, aggregated across all year ranges.

Tyre tread depth not in accordance with the requirements

5.0%

Brake pipe damaged or excessively corroded

2.7%

A suspension pin, bush or joint excessively worn

1.9%

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

1.7%

Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc

1.7%

Mercedes Benz GL Common Faults & Repair Costs

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Nearside

1.4%

Offside

1.4%

Other Mercedes Benz Models

Compare MOT reliability across Mercedes Benz models.

Mercedes Benz E 300

94.2% pass rate

Mercedes Benz E

83.5% pass rate

Mercedes Benz Amg Gla 45 S 4matic+ Auto

92.7% pass rate

Mercedes Benz V

85.8% pass rate

Mercedes Benz Vito 112

87.8% pass rate

Mercedes Benz Sl 500

100.0% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Mercedes Benz GL

Mercedes Benz GL — Frequently Asked Questions

Common questions about the Mercedes Benz GL MOT and reliability.

What is the MOT pass rate for the Mercedes Benz GL?

The average MOT pass rate for the Mercedes Benz GL is 86.9% compared to the Mercedes Benz average of 90.2%. Pass rates vary by year — check the year-by-year breakdown on this page for details.

What are the most common MOT failures on a Mercedes Benz GL?

The most common MOT failures on the Mercedes Benz GL are: Tyre tread depth not in accordance with the requirements (5.0%), Brake pipe damaged or excessively corroded (2.7%), A suspension pin, bush or joint excessively worn (1.9%). These are the components most likely to cause an MOT failure.

Is the Mercedes Benz GL reliable?

With an average MOT pass rate of 86.9%, the Mercedes Benz GL is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.

How do I check the MOT history of a Mercedes Benz GL?

Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.

What mileage should I expect on a Mercedes Benz GL?

Typical mileage for the Mercedes Benz GL: 48,417 miles at 3 years. Use these benchmarks when evaluating a used GL to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz GL's MOT History

Enter the registration number for the full MOT history — free and instant.