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Mercedes R350 MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes R350. Check any R350 by registration number below.

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80.6%

Avg Pass Rate

+2.9%

vs Mercedes Avg

2

Year Ranges

Good

Reliability

Mercedes R350 — MOT Reliability Overview

The Mercedes R350 has an average MOT pass rate of 80.6%, which is 2.9 percentage points above the Mercedes brand average of 77.7%. This is a strong result, indicating that the R350 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used Mercedes R350, 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 R350 performs at MOT across different model years.

2011

Based on 31 vehicles

74.2%Average
Mercedes average: 77.7%
Dangerous Defects

0.0%

Retest Rate

20.0%

0

Based on 23 vehicles

87.0%Excellent
Mercedes average: 77.7%
Mileage at 5yr

95k mi

Where Failures Occur

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

Front Nearside Outer

3.2%

Front Offside

3.2%

Other Mercedes Models

Compare MOT reliability across Mercedes models.

Mercedes 316cdi

94.7% pass rate

Mercedes 207d

71.4% pass rate

Mercedes Hymer

76.6% pass rate

Mercedes 609d

66.7% pass rate

Mercedes Ml 250

80.5% pass rate

Mercedes SLS

93.8% 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 R350

Mercedes R350 — Frequently Asked Questions

Common questions about the Mercedes R350 MOT and reliability.

What is the MOT pass rate for the Mercedes R350?
The average MOT pass rate for the Mercedes R350 is 80.6% compared to the Mercedes average of 77.7%. 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 R350?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Mercedes R350 reliable?
With an average MOT pass rate of 80.6%, the Mercedes R350 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 R350?
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 R350?
Typical mileage for the Mercedes R350: 94,803 miles at 5 years. Use these benchmarks when evaluating a used R350 to spot vehicles with unusually high or low mileage.

Check Your Mercedes R350's MOT History

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

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