2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto MOT Pass Rate
Pass rate for Amg A 45 S 4matic+ Plus Auto models manufactured in 2020, based on 1,158 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Amg A 45 S 4matic+ Plus Auto cars tested in 2020. Want to see how cars built in 2020 hold up over time?
View 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto vintage page → (90.8% current pass rate)2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto MOT Analysis
The 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto has an MOT pass rate of 89.2% based on 1,158 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 25,750 miles on the odometer. With a 10.8% failure rate, the 2020 Amg A 45 S 4matic+ Plus Auto is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto is Tyres, responsible for 8.8% of failures. 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 range from £50–200 per tyre. Noise, emissions and leaks is the second most common issue at 1.0%. Non-component advisories follows at 0.9%.
Top failures specific to 2020 models only. The overall Amg A 45 S 4matic+ Plus 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 | Tyres | 8.8% | 102 |
| 2 | Noise, Emissions And Leaks | 1.0% | 12 |
| 3 | Non-component Advisories | 0.9% | 11 |
| 4 | Suspension | 0.7% | 8 |
| 5 | Brakes | 0.5% | 6 |
| 6 | Visibility | 0.5% | 6 |
| 7 | Lamps, Reflectors And Electrical Equipment | 0.4% | 5 |
| 8 | Identification Of The Vehicle | 0.1% | 1 |
| 9 | Road Wheels | 0.1% | 1 |
Failures per 10,000 Miles
avg. 25,750 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Tyres | 3.42 | 8.8% | 102 |
| Noise, emissions and leaks | 0.40 | 1.0% | 12 |
| Non-component advisories | 0.37 | 0.9% | 11 |
| Suspension | 0.27 | 0.7% | 8 |
| Brakes | 0.20 | 0.5% | 6 |
| Visibility | 0.20 | 0.5% | 6 |
| Lamps & Electrical | 0.17 | 0.4% | 5 |
| Identification of the vehicle | 0.03 | 0.1% | 1 |
| Wheels | 0.03 | 0.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto has an MOT pass rate of 89.2% based on 1,158 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 25,750 miles on the odometer. With a 10.8% failure rate, the 2020 Amg A 45 S 4matic+ Plus Auto is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to tyres: 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. With relatively low average mileage of 25,750 miles, many of these vehicles are still in good mechanical condition.
Tyres — 8.8% of failures
Tyres issues account for 8.8% of MOT failures on 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto 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.
Noise, emissions and leaks — 1.0% of failures
Noise, emissions and leaks issues account for 1.0% of MOT failures on 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.
Non-component advisories — 0.9% of failures
Non-component advisories issues account for 0.9% of MOT failures on 2020 Mercedes-Benz Amg A 45 S 4matic+ Plus Auto 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.