2014 Mercedes S 320 MOT Pass Rate
Pass rate for S 320 models manufactured in 2014, based on 32 real MOT test results.
Data from official DVSA MOT testing records
2014 Mercedes S 320 MOT Analysis
The 2014 Mercedes S 320 has an MOT pass rate of 93.8% based on 32 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 44,891 miles on the odometer. With a 6.2% failure rate, the 2014 S 320 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2014 Mercedes S 320 is Road Wheels, responsible for 3.1% of failures. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs range from £100–400 per wheel.
Top failures specific to 2014 models only. The overall S 320 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 | Road Wheels | 3.1% | 1 |
Failures per 10,000 Miles
avg. 44,891 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 |
|---|---|---|---|
| Wheels | 0.70 | 3.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2014 Mercedes S 320 has an MOT pass rate of 93.8% based on 32 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 44,891 miles on the odometer. With a 6.2% failure rate, the 2014 S 320 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2014 Mercedes S 320, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to road wheels: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels. With relatively low average mileage of 44,891 miles, many of these vehicles are still in good mechanical condition.
Road Wheels — 3.1% of failures
Road Wheels issues account for 3.1% of MOT failures on 2014 Mercedes S 320 models. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs: £100–400 per wheel. Pre-MOT check: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.