2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A MOT Pass Rate
Pass rate for S 500 L Amg Line Prm+mhev 4m A models manufactured in 2021, based on 54 real MOT test results.
Data from official DVSA MOT testing records
This page shows all S 500 L Amg Line Prm+mhev 4m A cars tested in 2021. Want to see how cars built in 2021 hold up over time?
View 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A vintage page → (95.5% current pass rate)2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A MOT Analysis
The 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A has an MOT pass rate of 96.3% based on 54 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 28,805 miles on the odometer. With a 3.7% failure rate, the 2021 S 500 L Amg Line Prm+mhev 4m A is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A is Tyres, responsible for 5.6% 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.
Top failures specific to 2021 models only. The overall S 500 L Amg Line Prm+mhev 4m A 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 | 5.6% | 3 |
Failures per 10,000 Miles
avg. 28,805 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 |
|---|---|---|---|
| Tyres | 1.93 | 5.6% | 3 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A has an MOT pass rate of 96.3% based on 54 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 28,805 miles on the odometer. With a 3.7% failure rate, the 2021 S 500 L Amg Line Prm+mhev 4m A is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A, 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 28,805 miles, many of these vehicles are still in good mechanical condition.
Tyres — 5.6% of failures
Tyres issues account for 5.6% of MOT failures on 2021 Mercedes-Benz S 500 L Amg Line Prm+mhev 4m A 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.