2012 Jeep Grand Cherokee S-Ltd Crd A — MOT failures & pass rate
The 2012 Jeep Grand Cherokee S-Ltd Crd A passed 77.3% of its 273 recorded MOT tests. All cars of a similar age fail at 21.7%, so the 2012 Grand Cherokee S-Ltd Crd A sits squarely on the average. Failures cluster in lighting & signalling, brakes and visibility.
What the MOT record shows
No single area dominates — lighting & signalling (7.3%) and brakes (6.2%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are tread depth, washers and stop lamp — tread depth alone was recorded 10 times.
Mileage is the strongest signal on the record: 16.3% of 60-90k cars fail, rising to 27.1% once past 120-150k.
Advisories point at the next bill rather than this one: tyres was flagged on 19.1% of tests without failing them.
The trend is worsening — 19.2% of tests failed in 2021 against 29.8% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 7.3% | 20 |
| 2 | Brakes | 6.2% | 17 |
| 3 | Visibility | 5.9% | 16 |
| 4 | Tyres | 5.9% | 16 |
| 5 | Steering | 4.4% | 12 |
| 6 | Suspension | 2.9% | 8 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Tread depth | 10 |
| 2 | Washers | 9 |
| 3 | Stop lamp | 8 |
| 4 | Registration plate lamp(s) | 7 |
| 5 | Malfunction indicator lamp | 6 |
| 6 | Track rod end | 6 |
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 | 19.1% | 52 |
| 2 | Brakes | 18.3% | 50 |
| 3 | Steering | 8.8% | 24 |
| 4 | Emissions & environmental | 8.4% | 23 |
| 5 | Lighting & signalling | 8.1% | 22 |
| 6 | Suspension | 5.5% | 15 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 60-90k | 92 | 16.3% |
| 90-120k | 87 | 27.6% |
| 120-150k | 48 | 27.1% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 52 | 19.2% |
| 2022 | 62 | 25.8% |
| 2023 | 50 | 16.0% |
| 2024 | 52 | 21.1% |
| 2025 | 57 | 29.8% |
What to check before buying a 2012 Grand Cherokee S-Ltd Crd A
On a 2012 Grand Cherokee S-Ltd Crd A, lighting & signalling is what the MOT record says goes wrong most — it appeared in 7.3% of tests. Check these areas before you commit.
- Lighting & signalling (7.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (6.2% 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.
- Visibility (5.9% 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.
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 2012 Jeep Grand Cherokee S-Ltd Crd As pass their MOT?
77.3% of the 273 2012 Jeep Grand Cherokee S-Ltd Crd A MOT tests in this dataset passed — a 22.7% fail rate.
What is the most common MOT failure on a 2012 Jeep Grand Cherokee S-Ltd Crd A?
Lighting & signalling, recorded in 7.3% of tests, followed by brakes (6.2%).
Does the 2012 Grand Cherokee S-Ltd Crd A get worse with mileage?
Its MOT fail rate rises from 16.3% in the 60-90k band to 27.1% in the 120-150k band.
Methodology & source. Based on 273 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.