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2006 Mercedes C350 Se Auto MOT Pass Rate

Pass rate for C350 Se Auto models manufactured in 2006, based on 36 real MOT test results.

86.1%
Pass Rate
13.9%
Fail Rate
36
Total Tests
60,899
Avg Mileage

Data from official DVSA MOT testing records

2006 Mercedes C350 Se Auto MOT Analysis

The 2006 Mercedes C350 Se Auto has an MOT pass rate of 86.1% based on 36 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 60,899 miles on the odometer. With a 13.9% failure rate, the 2006 C350 Se Auto is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 2006 Mercedes C350 Se Auto is Seat Belts and Supplementary Restraint Systems, responsible for 2.8% of failures. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs range from £50–200 per belt.

⚠ Based on limited data (36 tests)

Top failures specific to 2006 models only. The overall C350 Se Auto page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Seat Belts And Supplementary Restraint Systems2.8%1

Failures per 10,000 Miles

avg. 60,899 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Seat Belts0.46% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Seat Belts0.462.8%1

Mileage Statistics

60,899
Mean
68,746
Median
34,951
25th Percentile
84,485
75th Percentile
2.28% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 2006 Mercedes C350 Se Auto has an MOT pass rate of 86.1% based on 36 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 60,899 miles on the odometer. With a 13.9% failure rate, the 2006 C350 Se Auto is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 2006 Mercedes C350 Se Auto, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to seat belts and supplementary restraint systems: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard. At 60,899 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Seat Belts and Supplementary Restraint Systems — 2.8% of failures

Seat Belts and Supplementary Restraint Systems issues account for 2.8% of MOT failures on 2006 Mercedes C350 Se Auto models. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs: £50–200 per belt. Pre-MOT check: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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