Mercedes Benz CL MOT Check

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

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84.0%

Avg Pass Rate

-6.2%

vs Mercedes Benz Avg

Year Ranges

Good

Reliability

Mercedes Benz CL — MOT Reliability Overview

The Mercedes Benz CL has an average MOT pass rate of 84.0%, which is 6.2 percentage points below the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the CL is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Mercedes Benz CL fails its MOT are brake disc or drum excessively weakened, insecure or fractured, windscreen washers not working or not providing sufficient fluid to clear the windscreen, brake pipe damaged or excessively corroded. If you are preparing your CL 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 CL, 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 CL performs at MOT across different model years.

2021

Based on 38 vehicles

100.0%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Mileage at 3yr

24k mi

2014

Based on 306 vehicles

87.3%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

2.8%

Retest Rate

16.0%

Mileage at 10yr

97k mi

2013

Based on 338 vehicles

82.5%Good

Mercedes Benz average: 90.2%

Dangerous Defects

4.4%

Retest Rate

21.6%

Mileage at 10yr

107k mi

2012

Based on 228 vehicles

91.2%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

3.1%

Retest Rate

7.5%

Mileage at 10yr

91k mi

2011

Based on 192 vehicles

84.9%Good

Mercedes Benz average: 90.2%

Dangerous Defects

4.3%

Retest Rate

14.4%

2010

Based on 177 vehicles

82.5%Good

Mercedes Benz average: 90.2%

Dangerous Defects

2.5%

Retest Rate

24.0%

2009

Based on 145 vehicles

76.6%Good

Mercedes Benz average: 90.2%

Dangerous Defects

5.3%

Retest Rate

26.6%

2008

Based on 301 vehicles

80.1%Good

Mercedes Benz average: 90.2%

Dangerous Defects

4.0%

Retest Rate

20.5%

2007

Based on 659 vehicles

87.3%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

3.3%

Retest Rate

9.6%

2006

Based on 106 vehicles

88.7%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Retest Rate

3.9%

2005

Based on 104 vehicles

87.5%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

6.3%

Retest Rate

9.5%

2004

Based on 175 vehicles

83.4%Good

Mercedes Benz average: 90.2%

Dangerous Defects

5.0%

Retest Rate

10.9%

2003

Based on 346 vehicles

81.8%Good

Mercedes Benz average: 90.2%

Dangerous Defects

6.0%

Retest Rate

15.7%

2002

Based on 453 vehicles

79.7%Good

Mercedes Benz average: 90.2%

Dangerous Defects

2.4%

Retest Rate

14.7%

2001

Based on 175 vehicles

75.4%Good

Mercedes Benz average: 90.2%

Dangerous Defects

5.3%

Retest Rate

23.4%

2000

Based on 103 vehicles

75.7%Good

Mercedes Benz average: 90.2%

Dangerous Defects

5.9%

Retest Rate

14.7%

1998

Based on 132 vehicles

78.8%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.1%

Retest Rate

15.3%

1997

Based on 147 vehicles

89.1%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

1.9%

Retest Rate

10.3%

Top MOT Failures — Mercedes Benz CL

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

Brake disc or drum excessively weakened, insecure or fractured

15.5%

Windscreen washers not working or not providing sufficient fluid to clear the windscreen

10.7%

Brake pipe damaged or excessively corroded

4.0%

Mercedes Benz CL Common Faults & Repair Costs

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 CL

Mercedes Benz CL — Frequently Asked Questions

Common questions about the Mercedes Benz CL MOT and reliability.

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

The average MOT pass rate for the Mercedes Benz CL is 84.0% 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 CL?

The most common MOT failures on the Mercedes Benz CL are: Brake disc or drum excessively weakened, insecure or fractured (15.5%), Windscreen washers not working or not providing sufficient fluid to clear the windscreen (10.7%), Brake pipe damaged or excessively corroded (4.0%). These are the components most likely to cause an MOT failure.

Is the Mercedes Benz CL reliable?

With an average MOT pass rate of 84.0%, the Mercedes Benz CL is rated as "Good" 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 CL?

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 CL?

Typical mileage for the Mercedes Benz CL: 23,790 miles at 3 years. Use these benchmarks when evaluating a used CL to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz CL's MOT History

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