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Mercedes Benz SLC MOT Check

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

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91.9%

Avg Pass Rate

+1.7%

vs Mercedes Benz Avg

6

Year Ranges

Excellent

Reliability

Mercedes Benz SLC — MOT Reliability Overview

The Mercedes Benz SLC has an average MOT pass rate of 91.9%, which is 1.7 percentage points above the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the SLC is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Mercedes Benz SLC fails its MOT are a tyre cords visible or damaged, a suspension pin, bush or joint excessively worn, a tyre seriously damaged. If you are preparing your SLC 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 SLC, 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 SLC performs at MOT across different model years.

2021

Based on 86 vehicles

97.7%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

1.2%

Retest Rate

2.4%

Mileage at 3yr

21k mi

2020

Based on 235 vehicles

92.3%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

4.3%

Retest Rate

4.3%

Mileage at 3yr

22k mi

Mileage at 5yr

48k mi

2019

Based on 2,831 vehicles

93.4%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

2.2%

Retest Rate

7.9%

Mileage at 3yr

27k mi

Mileage at 5yr

34k mi

2018

Based on 4,542 vehicles

91.7%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

2.4%

Retest Rate

9.6%

Mileage at 5yr

38k mi

2017

Based on 10,274 vehicles

88.5%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.0%

Retest Rate

13.4%

Mileage at 5yr

48k mi

2016

Based on 6,970 vehicles

87.6%Excellent
Mercedes Benz average: 90.2%
Dangerous Defects

3.1%

Retest Rate

14.7%

Top MOT Failures — Mercedes Benz SLC

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

1

A tyre cords visible or damaged

1.3%
2

A suspension pin, bush or joint excessively worn

1.0%
3

A tyre seriously damaged

0.9%
4

Tyre tread depth not in accordance with the requirements

0.8%
5

A spring or spring component fractured or seriously weakened

0.7%
Mercedes Benz SLC Common Faults & Repair Costs

Where Failures Occur

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

Rear

1.2%

Rear Nearside

1.2%

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 SLC

Mercedes Benz SLC — Frequently Asked Questions

Common questions about the Mercedes Benz SLC MOT and reliability.

What is the MOT pass rate for the Mercedes Benz SLC?
The average MOT pass rate for the Mercedes Benz SLC is 91.9% 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 SLC?
The most common MOT failures on the Mercedes Benz SLC are: A tyre cords visible or damaged (1.3%), A suspension pin, bush or joint excessively worn (1.0%), A tyre seriously damaged (0.9%). These are the components most likely to cause an MOT failure.
Is the Mercedes Benz SLC reliable?
With an average MOT pass rate of 91.9%, the Mercedes Benz SLC 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 SLC?
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 SLC?
Typical mileage for the Mercedes Benz SLC: 21,256 miles at 3 years. Use these benchmarks when evaluating a used SLC to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz SLC's MOT History

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

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