Mercedes Benz 320 MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes Benz 320. Check any 320 by registration number below.

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78.2%

Avg Pass Rate

-12.0%

vs Mercedes Benz Avg

Year Ranges

Good

Reliability

Mercedes Benz 320 — MOT Reliability Overview

The Mercedes Benz 320 has an average MOT pass rate of 78.2%, which is 12.0 percentage points below the Mercedes Benz brand average of 90.2%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your 320 on the road.

The most common reasons a Mercedes Benz 320 fails its MOT are an obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning, the strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired. If you are preparing your 320 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 320, 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 320 performs at MOT across different model years.

2009

Based on 76 vehicles

61.8%Below Average

Mercedes Benz average: 90.2%

Dangerous Defects

6.7%

Retest Rate

48.9%

2008

Based on 149 vehicles

67.8%Average

Mercedes Benz average: 90.2%

Dangerous Defects

11.0%

Retest Rate

35.4%

2007

Based on 203 vehicles

79.3%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.9%

Retest Rate

12.6%

2006

Based on 203 vehicles

72.4%Average

Mercedes Benz average: 90.2%

Dangerous Defects

4.4%

Retest Rate

32.6%

2005

Based on 73 vehicles

61.6%Below Average

Mercedes Benz average: 90.2%

Dangerous Defects

8.9%

Retest Rate

26.7%

2004

Based on 57 vehicles

66.7%Average

Mercedes Benz average: 90.2%

Dangerous Defects

3.0%

Retest Rate

36.4%

2003

Based on 124 vehicles

91.1%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

245k mi

2002

Based on 123 vehicles

95.1%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

225k mi

2001

Based on 38 vehicles

65.8%Average

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Retest Rate

44.0%

2000

Based on 39 vehicles

69.2%Average

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Retest Rate

59.1%

1999

Based on 31 vehicles

80.6%Good

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Retest Rate

17.4%

1995

Based on 39 vehicles

92.3%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Retest Rate

11.5%

1994

Based on 75 vehicles

92.0%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

1.6%

Retest Rate

3.1%

1993

Based on 479 vehicles

81.6%Good

Mercedes Benz average: 90.2%

Dangerous Defects

3.2%

Retest Rate

10.6%

1992

Based on 42 vehicles

95.2%Excellent

Mercedes Benz average: 90.2%

Dangerous Defects

0.0%

Top MOT Failures — Mercedes Benz 320

The most common reasons a Mercedes Benz 320 fails its MOT, aggregated across all year ranges.

An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning

2.9%

The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired

2.3%

Mercedes Benz 320 Common Faults & Repair Costs

Where Failures Occur

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

Rear Offside

9.2%

Front Offside

9.2%

Front Nearside

7.9%

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 320

Mercedes Benz 320 — Frequently Asked Questions

Common questions about the Mercedes Benz 320 MOT and reliability.

What is the MOT pass rate for the Mercedes Benz 320?

The average MOT pass rate for the Mercedes Benz 320 is 78.2% 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 320?

The most common MOT failures on the Mercedes Benz 320 are: An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning (2.9%), The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired (2.3%). These are the components most likely to cause an MOT failure.

Is the Mercedes Benz 320 reliable?

With an average MOT pass rate of 78.2%, the Mercedes Benz 320 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 320?

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 320?

Typical mileage for the Mercedes Benz 320: 245,422 miles at 10 years. Use these benchmarks when evaluating a used 320 to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz 320's MOT History

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