Mercedes Benz A MOT Check

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

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88.0%

Avg Pass Rate

-2.2%

vs Mercedes Benz Avg

Year Ranges

Excellent

Reliability

Mercedes Benz A — MOT Reliability Overview

The Mercedes Benz A 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 A is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Mercedes Benz A fails its MOT are tyre tread depth not in accordance with the requirements, an srs malfunction indicator lamp (mil) indicates a system malfunction, a tyre seriously damaged. If you are preparing your A 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 A, 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 A performs at MOT across different model years.

2022

Based on 128 vehicles

99.2%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.8%

Retest Rate

0.8%

Mileage at 3yr

44k mi

2021

Based on 35,746 vehicles

93.8%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

1.9%

Retest Rate

7.4%

Mileage at 3yr

41k mi

2020

Based on 84,765 vehicles

92.3%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

2.4%

Retest Rate

7.7%

Mileage at 3yr

40k mi

Mileage at 5yr

60k mi

2019

Based on 123,748 vehicles

90.1%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

3.2%

Retest Rate

10.7%

Mileage at 3yr

42k mi

Mileage at 5yr

65k mi

2018

Based on 2,282 vehicles

87.2%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

4.6%

Retest Rate

15.5%

Mileage at 5yr

66k mi

2017

Based on 132 vehicles

84.1%Good

Mercedes Benz average: 90.2%

Dangerous Defects

4.6%

Retest Rate

14.9%

Mileage at 5yr

62k mi

2016

Based on 113 vehicles

87.6%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

4.9%

Retest Rate

11.0%

2015

Based on 51 vehicles

84.3%Good

Mercedes Benz average: 90.2%

Dangerous Defects

6.3%

Retest Rate

12.5%

Mileage at 10yr

155k mi

2014

Based on 51 vehicles

78.4%Good

Mercedes Benz average: 90.2%

Dangerous Defects

2.6%

Retest Rate

10.3%

Mileage at 10yr

114k mi

2013

Based on 59 vehicles

83.1%Good

Mercedes Benz average: 90.2%

Dangerous Defects

6.4%

Retest Rate

14.9%

Mileage at 10yr

119k mi

Top MOT Failures — Mercedes Benz A

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

Tyre tread depth not in accordance with the requirements

1.5%

An SRS malfunction indicator lamp (MIL) indicates a system malfunction

1.1%

A tyre seriously damaged

1.0%

a brake lining or pad worn below 1.5mm

1.0%

Wiper blade missing or obviously not clearing the windscreen

0.7%

Mercedes Benz A Common Faults & Repair Costs

Where Failures Occur

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

Nearside

0.8%

Offside

0.8%

Rear Nearside

0.8%

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 A

Mercedes Benz A — Frequently Asked Questions

Common questions about the Mercedes Benz A MOT and reliability.

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

The average MOT pass rate for the Mercedes Benz A 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 A?

The most common MOT failures on the Mercedes Benz A are: Tyre tread depth not in accordance with the requirements (1.5%), An SRS malfunction indicator lamp (MIL) indicates a system malfunction (1.1%), A tyre seriously damaged (1.0%). These are the components most likely to cause an MOT failure.

Is the Mercedes Benz A reliable?

With an average MOT pass rate of 88.0%, the Mercedes Benz A 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 A?

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 A?

Typical mileage for the Mercedes Benz A: 43,567 miles at 3 years. Use these benchmarks when evaluating a used A to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz A's MOT History

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