Mercedes Benz S 350 MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes Benz S 350. Check any S 350 by registration number below.

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96.5%

Avg Pass Rate

+6.3%

vs Mercedes Benz Avg

Year Ranges

Excellent

Reliability

Mercedes Benz S 350 — MOT Reliability Overview

The Mercedes Benz S 350 has an average MOT pass rate of 96.5%, which is 6.3 percentage points above the Mercedes Benz brand average of 90.2%. This is a strong result, indicating that the S 350 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Typical mileage for the S 350 is around 113,493 miles at 5 years. When evaluating a used S 350, 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 350, 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 350 performs at MOT across different model years.

2015

Based on 202 vehicles

98.0%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

78k mi

Mileage at 10yr

159k mi

2014

Based on 273 vehicles

97.4%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

60k mi

Mileage at 5yr

113k mi

Mileage at 10yr

192k mi

2013

Based on 92 vehicles

96.7%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

99k mi

Mileage at 5yr

126k mi

Mileage at 10yr

166k mi

2012

Based on 182 vehicles

99.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

83k mi

Mileage at 5yr

136k mi

2011

Based on 295 vehicles

95.6%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

81k mi

Mileage at 5yr

135k mi

2010

Based on 370 vehicles

97.0%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

82k mi

Mileage at 5yr

143k mi

2009

Based on 246 vehicles

96.7%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

86k mi

Mileage at 5yr

141k mi

2008

Based on 143 vehicles

97.2%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

81k mi

Mileage at 5yr

118k mi

Mileage at 10yr

152k mi

2007

Based on 150 vehicles

97.3%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

52k mi

Mileage at 5yr

121k mi

Mileage at 10yr

181k mi

2006

Based on 352 vehicles

96.9%Excellent

Mercedes Benz average: 90.2%

Mileage at 3yr

87k mi

Mileage at 5yr

120k mi

Mileage at 10yr

199k mi

2005

Based on 128 vehicles

94.5%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

180k mi

2004

Based on 100 vehicles

91.0%Excellent

Mercedes Benz average: 90.2%

Mileage at 10yr

201k mi

Typical Mileage — Mercedes Benz S 350

Average mileage readings recorded at MOT tests for the 2014 model year range. Use these benchmarks to evaluate a used S 350.

At 3 Years

59,525

miles

At 5 Years

113,493

miles

At 10 Years

192,307

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 350

Mercedes Benz S 350 — Frequently Asked Questions

Common questions about the Mercedes Benz S 350 MOT and reliability.

What is the MOT pass rate for the Mercedes Benz S 350?

The average MOT pass rate for the Mercedes Benz S 350 is 96.5% 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 350?

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

Is the Mercedes Benz S 350 reliable?

With an average MOT pass rate of 96.5%, the Mercedes Benz S 350 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 350?

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 350?

Typical mileage for the Mercedes Benz S 350: 77,708 miles at 3 years, 158,541 miles at 10 years. Use these benchmarks when evaluating a used S 350 to spot vehicles with unusually high or low mileage.

Check Your Mercedes Benz S 350's MOT History

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