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Pass Your MOT

2002 Mercedes Sl 350 MOT Pass Rate

Pass rate for Sl 350 models manufactured in 2002, based on 53 real MOT test results.

79.2%
Pass Rate
20.8%
Fail Rate
53
Total Tests
50,049
Avg Mileage

Data from official DVSA MOT testing records

2002 Mercedes Sl 350 MOT Analysis

The 2002 Mercedes Sl 350 has an MOT pass rate of 79.2% based on 53 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,049 miles on the odometer. With a 20.8% failure rate, the 2002 Sl 350 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 2002 Mercedes Sl 350 is Brakes, responsible for 7.5% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400. Identification of the vehicle is the second most common issue at 3.8%. Registration Plates and VIN follows at 3.8%.

⚠ Based on limited data (53 tests)

Top failures specific to 2002 models only. The overall Sl 350 page may show different rankings.

What Fails Most

Brakes 7.5%
Identification of the vehicle 3.8%
Registration Plates and VIN 3.8%

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
1Brakes7.5%4
2Identification Of The Vehicle3.8%2
3Registration Plates And Vin3.8%2
4Suspension3.8%2
5Tyres3.8%2

Failures per 10,000 Miles

avg. 50,049 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.

Brakes1.51% per 10K miIdentification of the vehicle0.75% per 10K miRegistration Plates and VIN0.75% per 10K miSuspension0.75% per 10K miTyres0.75% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Brakes1.517.5%4
Identification of the vehicle0.753.8%2
Registration Plates and VIN0.753.8%2
Suspension0.753.8%2
Tyres0.753.8%2

Mileage Statistics

50,049
Mean
38,421
Median
34,863
25th Percentile
50,459
75th Percentile
4.16% failures per 10K miles

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

About This Data

The 2002 Mercedes Sl 350 has an MOT pass rate of 79.2% based on 53 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,049 miles on the odometer. With a 20.8% failure rate, the 2002 Sl 350 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 2002 Mercedes Sl 350, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to brakes: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm). At 50,049 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Brakes — 7.5% of failures

Brakes issues account for 7.5% of MOT failures on 2002 Mercedes Sl 350 models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

Identification of the vehicle — 3.8% of failures

Identification of the vehicle issues account for 3.8% of MOT failures on 2002 Mercedes Sl 350 models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.

Registration Plates and VIN — 3.8% of failures

Registration Plates and VIN issues account for 3.8% of MOT failures on 2002 Mercedes Sl 350 models. Registration Plates and VIN issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

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

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