1971 Mercedes 350 Sl Auto MOT Pass Rate
Pass rate for 350 Sl Auto models manufactured in 1971, based on 45 real MOT test results.
Data from official DVSA MOT testing records
1971 Mercedes 350 Sl Auto MOT Analysis
The 1971 Mercedes 350 Sl Auto has an MOT pass rate of 82.2% based on 45 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 80,197 miles on the odometer. With a 17.8% failure rate, the 1971 350 Sl Auto is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1971 Mercedes 350 Sl Auto is Suspension, responsible for 4.4% of failures. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs range from £200–500.
Top failures specific to 1971 models only. The overall 350 Sl 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 | Suspension | 4.4% | 2 |
Failures per 10,000 Miles
avg. 80,197 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 |
|---|---|---|---|
| Suspension | 0.55 | 4.4% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1971 Mercedes 350 Sl Auto has an MOT pass rate of 82.2% based on 45 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 80,197 miles on the odometer. With a 17.8% failure rate, the 1971 350 Sl Auto is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1971 Mercedes 350 Sl Auto, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to suspension: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks. With an average mileage of 80,197 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Suspension — 4.4% of failures
Suspension issues account for 4.4% of MOT failures on 1971 Mercedes 350 Sl Auto models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.