Renault Master Lm35 Business+ Blue MOT pass rate & common failures
The Renault Master Lm35 Business+ Blue appears in 1,706 MOT tests spanning model years 2022–2024, and 91.7% of them passed. That is 1.9 percentage points worse than all cars of a similar age, which fail at 6.3%. Its most common failure areas are lighting & signalling, tyres and brakes.
What the MOT record shows
Lighting & signalling dominates the failure mix at 9.9% of all tests — 7.7 points clear of tyres, so it is the first thing to check.
At component level the recurring items are headlamp aim, outline marker lamp and headlamp — headlamp aim alone was recorded 140 times.
A 90-120k example is materially riskier than a 0-30k one: 17.4% versus 4.2%.
Advisories point at the next bill rather than this one: tyres was flagged on 12.0% of tests without failing them.
The trend is worsening — 3.4% of tests failed in 2023 against 11.8% in 2025, the usual pattern as a fleet ages.
How it compares
By model year
Every Master Lm35 Business+ Blue model year with a usable sample. Years with their own detailed report are linked.
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 2022 | 938 | 90.3% | 9.7% | Lighting & signalling |
| 2023 | 661 | 94.1% | 5.9% | Lighting & signalling |
| 2024 | 107 | 89.7% | 10.3% | Lighting & signalling |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.9% | 169 |
| 2 | Tyres | 2.2% | 37 |
| 3 | Brakes | 2.0% | 34 |
| 4 | Visibility | 1.8% | 30 |
| 5 | Emissions & environmental | 1.5% | 26 |
| 6 | Suspension | 1.4% | 24 |
| 7 | Body, structure & corrosion | 1.2% | 20 |
| 8 | Seat belts & restraints | 0.6% | 10 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 140 |
| 2 | Outline marker lamp | 52 |
| 3 | Headlamp | 34 |
| 4 | Wipers | 25 |
| 5 | Malfunction indicator lamp | 23 |
| 6 | Brake pads | 19 |
| 7 | Ball joint | 17 |
| 8 | Tread depth | 15 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 12.0% | 205 |
| 2 | Brakes | 11.4% | 194 |
| 3 | Lighting & signalling | 4.1% | 70 |
| 4 | Suspension | 3.6% | 61 |
| 5 | Visibility | 2.9% | 50 |
| 6 | Emissions & environmental | 2.8% | 47 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 783 | 4.2% |
| 30-60k | 563 | 8.9% |
| 60-90k | 244 | 16.0% |
| 90-120k | 86 | 17.4% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 264 | 3.4% |
| 2024 | 601 | 5.5% |
| 2025 | 836 | 11.8% |
What to check before buying a Renault Master Lm35 Business+ Blue
- Lighting & signalling (9.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (2.2% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Brakes (2.0% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
What is the MOT pass rate for the Renault Master Lm35 Business+ Blue?
91.7% of the 1,706 Renault Master Lm35 Business+ Blue MOT tests in this dataset passed, an 8.3% fail rate, across model years 2022–2024.
What does the Renault Master Lm35 Business+ Blue most often fail its MOT on?
Lighting & signalling, recorded in 9.9% of tests, then tyres (2.2%).
How much does mileage affect Master Lm35 Business+ Blue MOT results?
Fail rates run at 4.2% for cars in the 0-30k band and 17.4% for 90-120k, a 13.2-point difference.
Methodology & source. Based on 1,706 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.