Mercedes Benz S 320 MOT Check

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

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94.5%

Avg Pass Rate

+4.3%

vs Mercedes Benz Avg

Year Ranges

Excellent

Reliability

Mercedes Benz S 320 — MOT Reliability Overview

The Mercedes Benz S 320 has an average MOT pass rate of 94.5%, which is 4.3 percentage points above the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the S 320 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Typical mileage for the S 320 is around 119,483 miles at 5 years. When evaluating a used S 320, compare the odometer reading against these benchmarks. Significantly lower mileage than expected could indicate a clocked vehicle — run a free mileage check to verify.

Before buying a used Mercedes Benz S 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 S 320 performs at MOT across different model years.

2009

Based on 163 vehicles

97.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

74k mi

Mileage at 5yr

119k mi

Mileage at 10yr

235k mi

2008

Based on 639 vehicles

95.6%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

95k mi

Mileage at 5yr

151k mi

Mileage at 10yr

220k mi

2007

Based on 594 vehicles

96.8%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

109k mi

Mileage at 5yr

137k mi

Mileage at 10yr

236k mi

2006

Based on 512 vehicles

93.9%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

105k mi

Mileage at 5yr

169k mi

Mileage at 10yr

223k mi

2005

Based on 99 vehicles

92.9%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

230k mi

2004

Based on 139 vehicles

89.9%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

214k mi

2003

Based on 258 vehicles

97.3%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

254k mi

2002

Based on 400 vehicles

95.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

225k mi

2001

Based on 562 vehicles

94.1%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

221k mi

2000

Based on 504 vehicles

92.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

216k mi

1999

Based on 311 vehicles

94.2%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

178k mi

1998

Based on 77 vehicles

93.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

163k mi

Typical Mileage — Mercedes Benz S 320

Average mileage readings recorded at MOT tests for the 2009 model year range. Use these benchmarks to evaluate a used S 320.

At 3 Years

74,471

miles

At 5 Years

119,483

miles

At 10 Years

235,422

miles

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 S 320

Mercedes Benz S 320 — Frequently Asked Questions

Common questions about the Mercedes Benz S 320 MOT and reliability.

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

The average MOT pass rate for the Mercedes Benz S 320 is 94.5% 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 S 320?

Check the detailed breakdown on this page for specific failure data by year range.

Is the Mercedes Benz S 320 reliable?

With an average MOT pass rate of 94.5%, the Mercedes Benz S 320 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 S 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 S 320?

Typical mileage for the Mercedes Benz S 320: 74,471 miles at 3 years, 119,483 miles at 5 years, 235,422 miles at 10 years. Use these benchmarks when evaluating a used S 320 to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz S 320's MOT History

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