1999 Mercedes Ml320 MOT Pass Rate
Pass rate for Ml320 models manufactured in 1999, based on 46 real MOT test results.
Data from official DVSA MOT testing records
1999 Mercedes Ml320 MOT Analysis
The 1999 Mercedes Ml320 has an MOT pass rate of 58.7% based on 46 tests — slightly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 145,173 miles on the odometer. With a 41.3% failure rate, the 1999 Ml320 is rated as "Below Average" for MOT reliability.
The leading cause of MOT failure for the 1999 Mercedes Ml320 is Driver's View of the Road, responsible for 4.3% of failures. 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 range from £100–400. Lamps, reflectors and electrical equipment is the second most common issue at 4.3%. Steering follows at 4.3%.
Top failures specific to 1999 models only. The overall Ml320 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 | Driver's View Of The Road | 4.3% | 2 |
| 2 | Lamps, Reflectors And Electrical Equipment | 4.3% | 2 |
| 3 | Steering | 4.3% | 2 |
| 4 | Suspension | 2.2% | 1 |
| 5 | Brakes | 2.2% | 1 |
| 6 | Noise, Emissions And Leaks | 2.2% | 1 |
Failures per 10,000 Miles
avg. 145,173 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 |
|---|---|---|---|
| Visibility | 0.30 | 4.3% | 2 |
| Lamps & Electrical | 0.30 | 4.3% | 2 |
| Steering | 0.30 | 4.3% | 2 |
| Suspension | 0.15 | 2.2% | 1 |
| Brakes | 0.15 | 2.2% | 1 |
| Noise, emissions and leaks | 0.15 | 2.2% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1999 Mercedes Ml320 has an MOT pass rate of 58.7% based on 46 tests — slightly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 145,173 miles on the odometer. With a 41.3% failure rate, the 1999 Ml320 is rated as "Below Average" for MOT reliability.
If you own or are considering buying a 1999 Mercedes Ml320, budget for potential repairs before each MOT. Before your MOT, pay particular attention to driver's view of the road: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With an average mileage of 145,173 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Driver's View of the Road — 4.3% of failures
Driver's View of the Road issues account for 4.3% of MOT failures on 1999 Mercedes Ml320 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 — 4.3% of failures
Lamps, reflectors and electrical equipment issues account for 4.3% of MOT failures on 1999 Mercedes Ml320 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.
Steering — 4.3% of failures
Steering issues account for 4.3% of MOT failures on 1999 Mercedes Ml320 models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.