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2021 Renault Master Lm35 Business + MOT Pass Rate

Pass rate for Master Lm35 Business + models manufactured in 2021, based on 1,733 real MOT test results.

75.8%
Pass Rate
24.2%
Fail Rate
1,733
Total Tests
49,316
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Master Lm35 Business + cars tested in 2021. Want to see how cars built in 2021 hold up over time?

View 2021 Renault Master Lm35 Business + vintage page → (72.3% current pass rate)

2021 Renault Master Lm35 Business + MOT Analysis

The 2021 Renault Master Lm35 Business + has an MOT pass rate of 75.8% based on 1,733 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 49,316 miles on the odometer. With a 24.2% failure rate, the 2021 Master Lm35 Business + is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 2021 Renault Master Lm35 Business + is Lamps, reflectors and electrical equipment, responsible for 17.5% of failures. 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 range from £5–50. Brakes is the second most common issue at 13.1%. Tyres follows at 9.8%.

Top failures specific to 2021 models only. The overall Master Lm35 Business + 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
1Lamps, Reflectors And Electrical Equipment17.5%303
2Brakes13.1%227
3Tyres9.8%170
4Visibility7.1%123
5Suspension2.5%43
6Noise, Emissions And Leaks2.3%40
7Body, Chassis, Structure1.8%32
8Non-component Advisories1.0%17
9Steering0.5%9
10Seat Belts And Supplementary Restraint Systems0.4%7
11Identification Of The Vehicle0.1%2
12Road Wheels0.1%1
13Other0.1%1

Failures per 10,000 Miles

avg. 49,316 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.

Lamps & Electrical3.55% per 10K miBrakes2.66% per 10K miTyres1.99% per 10K miVisibility1.44% per 10K miSuspension0.50% per 10K miNoise, emissions and leaks0.47% per 10K miBody & Structure0.37% per 10K miNon-component advisories0.20% per 10K miSteering0.11% per 10K miSeat Belts0.08% per 10K miIdentification of the vehicle0.02% per 10K miWheels0.01% per 10K miOther0.01% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Lamps & Electrical3.5517.5%303
Brakes2.6613.1%227
Tyres1.999.8%170
Visibility1.447.1%123
Suspension0.502.5%43
Noise, emissions and leaks0.472.3%40
Body & Structure0.371.8%32
Non-component advisories0.201.0%17
Steering0.110.5%9
Seat Belts0.080.4%7
Identification of the vehicle0.020.1%2
Wheels0.010.1%1
Other0.010.1%1

Mileage Statistics

49,316
Mean
20,743
Median
11,803
25th Percentile
26,379
75th Percentile
4.91% failures per 10K miles

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

About This Data

The 2021 Renault Master Lm35 Business + has an MOT pass rate of 75.8% based on 1,733 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 49,316 miles on the odometer. With a 24.2% failure rate, the 2021 Master Lm35 Business + is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 2021 Renault Master Lm35 Business +, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: 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. With relatively low average mileage of 49,316 miles, many of these vehicles are still in good mechanical condition.

Lamps, reflectors and electrical equipment — 17.5% of failures

Lamps, reflectors and electrical equipment issues account for 17.5% of MOT failures on 2021 Renault Master Lm35 Business + 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.

Brakes — 13.1% of failures

Brakes issues account for 13.1% of MOT failures on 2021 Renault Master Lm35 Business + models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

Tyres — 9.8% of failures

Tyres issues account for 9.8% of MOT failures on 2021 Renault Master Lm35 Business + 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.

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