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Pass Your MOT

1978 Mercedes 280 E MOT Pass Rate

Pass rate for 280 E models manufactured in 1978, based on 33 real MOT test results.

69.7%
Pass Rate
30.3%
Fail Rate
33
Total Tests
100,640
Avg Mileage

Data from official DVSA MOT testing records

1978 Mercedes 280 E MOT Analysis

The 1978 Mercedes 280 E has an MOT pass rate of 69.7% based on 33 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 100,640 miles on the odometer. With a 30.3% failure rate, the 1978 280 E is rated as "Good" for MOT reliability.

The leading cause of MOT failure for the 1978 Mercedes 280 E is Non-component advisories, responsible for 6.1% of failures. 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 range from £100–400. Driver's View of the Road is the second most common issue at 3.0%. Lamps, Reflectors and Electrical Equipment follows at 3.0%.

⚠ Based on limited data (33 tests)

Top failures specific to 1978 models only. The overall 280 E page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Non-component Advisories6.1%2
2Driver's View Of The Road3.0%1
3Lamps, Reflectors And Electrical Equipment3.0%1

Failures per 10,000 Miles

avg. 100,640 mi

For 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.

Non-component advisories0.60% per 10K miVisibility0.30% per 10K miLamps & Electrical0.30% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Non-component advisories0.606.1%2
Visibility0.303.0%1
Lamps & Electrical0.303.0%1

Mileage Statistics

100,640
Mean
97,287
Median
86,352
25th Percentile
99,054
75th Percentile
3.01% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1978 Mercedes 280 E has an MOT pass rate of 69.7% based on 33 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 100,640 miles on the odometer. With a 30.3% failure rate, the 1978 280 E is rated as "Good" for MOT reliability.

If you own or are considering buying a 1978 Mercedes 280 E, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to non-component advisories: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With an average mileage of 100,640 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Non-component advisories — 6.1% of failures

Non-component advisories issues account for 6.1% of MOT failures on 1978 Mercedes 280 E 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.

Driver's View of the Road — 3.0% of failures

Driver's View of the Road issues account for 3.0% of MOT failures on 1978 Mercedes 280 E 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 — 3.0% of failures

Lamps, Reflectors and Electrical Equipment issues account for 3.0% of MOT failures on 1978 Mercedes 280 E 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.

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