2004 Mercedes Clk55 Amg Auto MOT Pass Rate
Pass rate for Clk55 Amg Auto models manufactured in 2004, based on 31 real MOT test results.
Data from official DVSA MOT testing records
2004 Mercedes Clk55 Amg Auto MOT Analysis
The 2004 Mercedes Clk55 Amg Auto has an MOT pass rate of 71.0% based on 31 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 77,444 miles on the odometer. With a 29.0% failure rate, the 2004 Clk55 Amg Auto is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 2004 Mercedes Clk55 Amg Auto is Brakes, responsible for 22.6% 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. Driver's View of the Road is the second most common issue at 6.5%. Lamps, Reflectors and Electrical Equipment follows at 6.5%.
Top failures specific to 2004 models only. The overall Clk55 Amg 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
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Brakes | 22.6% | 7 |
| 2 | Driver's View Of The Road | 6.5% | 2 |
| 3 | Lamps, Reflectors And Electrical Equipment | 6.5% | 2 |
| 4 | Tyres | 3.2% | 1 |
| 5 | Exhaust, Fuel And Emissions | 3.2% | 1 |
| 6 | Suspension | 3.2% | 1 |
Failures per 10,000 Miles
avg. 77,444 miFor 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.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Brakes | 2.92 | 22.6% | 7 |
| Visibility | 0.83 | 6.5% | 2 |
| Lamps & Electrical | 0.83 | 6.5% | 2 |
| Tyres | 0.42 | 3.2% | 1 |
| Emissions & Exhaust | 0.42 | 3.2% | 1 |
| Suspension | 0.42 | 3.2% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2004 Mercedes Clk55 Amg Auto has an MOT pass rate of 71.0% based on 31 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 77,444 miles on the odometer. With a 29.0% failure rate, the 2004 Clk55 Amg Auto is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 2004 Mercedes Clk55 Amg Auto, 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 77,444 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Brakes — 22.6% of failures
Brakes issues account for 22.6% of MOT failures on 2004 Mercedes Clk55 Amg Auto 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).
Driver's View of the Road — 6.5% of failures
Driver's View of the Road issues account for 6.5% of MOT failures on 2004 Mercedes Clk55 Amg Auto models. Driver's View of the Road 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.
Lamps, Reflectors and Electrical Equipment — 6.5% of failures
Lamps, Reflectors and Electrical Equipment issues account for 6.5% of MOT failures on 2004 Mercedes Clk55 Amg Auto models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.