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1999 Mercedes Clk230 MOT Pass Rate

Pass rate for Clk230 models manufactured in 1999, based on 124 real MOT test results.

67.7%
Pass Rate
32.3%
Fail Rate
124
Total Tests
115,398
Avg Mileage

Data from official DVSA MOT testing records

1999 Mercedes Clk230 MOT Analysis

The 1999 Mercedes Clk230 has an MOT pass rate of 67.7% based on 124 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 115,398 miles on the odometer. With a 32.3% failure rate, the 1999 Clk230 is rated as "Good" for MOT reliability.

The leading cause of MOT failure for the 1999 Mercedes Clk230 is Non-component advisories, responsible for 1.6% of failures. Non-component advisories 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 range from £100–400. Tyres is the second most common issue at 1.6%. Visibility follows at 0.8%.

Top failures specific to 1999 models only. The overall Clk230 page may show different rankings.

What Fails Most

Non-component advisories 1.6%
Tyres 1.6%
Visibility 0.8%

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
1Non-component Advisories1.6%2
2Tyres1.6%2
3Visibility0.8%1
4Body, Chassis, Structure0.8%1
5Brakes0.8%1
6Lamps, Reflectors And Electrical Equipment0.8%1
7Suspension0.8%1

Failures per 10,000 Miles

avg. 115,398 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.

Non-component advisories0.14% per 10K miTyres0.14% per 10K miVisibility0.07% per 10K miBody & Structure0.07% per 10K miBrakes0.07% per 10K miLamps & Electrical0.07% per 10K miSuspension0.07% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Non-component advisories0.141.6%2
Tyres0.141.6%2
Visibility0.070.8%1
Body & Structure0.070.8%1
Brakes0.070.8%1
Lamps & Electrical0.070.8%1
Suspension0.070.8%1

Mileage Statistics

115,398
Mean
125,617
Median
112,917
25th Percentile
148,738
75th Percentile
2.80% failures per 10K miles

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

About This Data

The 1999 Mercedes Clk230 has an MOT pass rate of 67.7% based on 124 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 115,398 miles on the odometer. With a 32.3% failure rate, the 1999 Clk230 is rated as "Good" for MOT reliability.

If you own or are considering buying a 1999 Mercedes Clk230, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to non-component advisories: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With an average mileage of 115,398 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Non-component advisories — 1.6% of failures

Non-component advisories issues account for 1.6% of MOT failures on 1999 Mercedes Clk230 models. Non-component advisories 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.

Tyres — 1.6% of failures

Tyres issues account for 1.6% of MOT failures on 1999 Mercedes Clk230 models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.

Visibility — 0.8% of failures

Visibility issues account for 0.8% of MOT failures on 1999 Mercedes Clk230 models. Visibility failures relate to the windscreen, wipers, washers, mirrors, and view-obstructing damage. Cracks in the windscreen swept area, ineffective wipers, or empty washer bottles are common causes. Typical repair costs: £10–300. Pre-MOT check: Check the windscreen for chips and cracks — damage larger than 10mm in the driver's swept area or 40mm elsewhere will fail. Test washers and wipers. Ensure both door mirrors are intact and adjustable.

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

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