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Mercedes Benz GLA MOT Check

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

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88.0%

Avg Pass Rate

-2.2%

vs Mercedes Benz Avg

7

Year Ranges

Excellent

Reliability

Mercedes Benz GLA — MOT Reliability Overview

The Mercedes Benz GLA has an average MOT pass rate of 88.0%, which is 2.2 percentage points below the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the GLA is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Mercedes Benz GLA fails its MOT are a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, tyre tread depth not in accordance with the requirements, a spring or spring component fractured or seriously weakened. If you are preparing your GLA 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 GLA, 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 GLA performs at MOT across different model years.

2020

Based on 3,583 vehicles

91.7%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

4.2%

Retest Rate

8.7%

Mileage at 3yr

35k mi

Mileage at 5yr

53k mi

2019

Based on 31,254 vehicles

90.3%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.7%

Retest Rate

10.4%

Mileage at 3yr

40k mi

Mileage at 5yr

59k mi

2018

Based on 44,715 vehicles

89.9%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.1%

Retest Rate

11.4%

Mileage at 5yr

61k mi

2017

Based on 35,880 vehicles

87.4%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.0%

Retest Rate

14.2%

Mileage at 5yr

69k mi

2016

Based on 28,945 vehicles

85.7%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.2%

Retest Rate

15.4%

2015

Based on 25,056 vehicles

85.1%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

2.9%

Retest Rate

16.2%

Mileage at 10yr

125k mi

2014

Based on 10,244 vehicles

85.6%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.0%

Retest Rate

16.0%

Mileage at 10yr

120k mi

Top MOT Failures — Mercedes Benz GLA

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

1

A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

1.4%
2

Tyre tread depth not in accordance with the requirements

1.3%
3

A spring or spring component fractured or seriously weakened

1.3%
4

A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc

1.1%
5

a brake lining or pad worn below 1.5mm

0.8%
Mercedes Benz GLA Common Faults & Repair Costs

Where Failures Occur

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

Front Nearside

1.5%

Front Offside

1.4%

Front

0.9%

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 GLA

Mercedes Benz GLA — Frequently Asked Questions

Common questions about the Mercedes Benz GLA MOT and reliability.

What is the MOT pass rate for the Mercedes Benz GLA?
The average MOT pass rate for the Mercedes Benz GLA is 88.0% 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 GLA?
The most common MOT failures on the Mercedes Benz GLA are: A suspension joint dust cover missing or no longer prevents the ingress of dirt etc (1.4%), Tyre tread depth not in accordance with the requirements (1.3%), A spring or spring component fractured or seriously weakened (1.3%). These are the components most likely to cause an MOT failure.
Is the Mercedes Benz GLA reliable?
With an average MOT pass rate of 88.0%, the Mercedes Benz GLA 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 GLA?
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 GLA?
Typical mileage for the Mercedes Benz GLA: 35,415 miles at 3 years, 52,751 miles at 5 years. Use these benchmarks when evaluating a used GLA to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz GLA's MOT History

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

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