2020 Renault Kangoo Ll21 B-Ness Energy — MOT failures & pass rate
Across 489 MOT tests analysed for the 2020 Renault Kangoo Ll21 B-Ness Energy, the most common recorded failure areas were lighting & signalling, visibility and tyres. Its pass rate of 77.9% was below the average for cars of a similar age (90.5%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 17.8% | 87 |
| 2 | Visibility | 8.6% | 42 |
| 3 | Tyres | 7.8% | 38 |
| 4 | Brakes | 4.7% | 23 |
| 5 | Emissions & environmental | 3.9% | 19 |
| 6 | Body, structure & corrosion | 1.6% | 8 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Stop lamp | 50 |
| 2 | Registration plate lamp(s) | 33 |
| 3 | Wipers | 30 |
| 4 | Position lamp | 20 |
| 5 | Brake pads | 19 |
| 6 | Malfunction indicator lamp | 19 |
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 | 31.5% | 154 |
| 2 | Brakes | 28.6% | 140 |
| 3 | Lighting & signalling | 15.1% | 74 |
| 4 | Visibility | 9.4% | 46 |
| 5 | Other defects | 4.9% | 24 |
| 6 | Road wheels | 3.7% | 18 |
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 | 102 | 20.6% |
| 30-60k | 182 | 24.7% |
| 60-90k | 140 | 20.0% |
| 90-120k | 49 | 20.4% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 159 | 22.0% |
| 2024 | 155 | 18.7% |
| 2025 | 171 | 25.1% |
What to check before buying a 2020 Kangoo Ll21 B-Ness Energy
Before buying a 2020 Renault Kangoo Ll21 B-Ness Energy, focus on the areas it most often fails on. Lighting & signalling accounted for 17.8% of tests for this year.
- Lighting & signalling (17.8% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (8.6% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Tyres (7.8% 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.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2020 Renault Kangoo Ll21 B-Ness Energys pass their MOT?
77.9% of the 489 2020 Renault Kangoo Ll21 B-Ness Energy MOT tests in this dataset passed — a 22.1% fail rate.
What is the most common MOT failure on a 2020 Renault Kangoo Ll21 B-Ness Energy?
Lighting & signalling, recorded in 17.8% of tests, followed by visibility (8.6%).
Does the 2020 Kangoo Ll21 B-Ness Energy get worse with mileage?
Its MOT fail rate rises from 20.6% in the 0-30k band to 20.4% in the 90-120k band.
Methodology & source. Based on 489 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.