2008 Chrysler-Jeep 300 — MOT failures & pass rate
4,494 MOT tests on the 2008 Chrysler-Jeep 300 are in this dataset, and 74.4% of them passed. That is effectively the same as all cars of a similar age (26.2% fail rate), so the MOT record here is unremarkable in either direction. Failures cluster in brakes, suspension and lighting & signalling.
What the MOT record shows
One area stands out: brakes, recorded in 17.1% of tests against 11.2% for the next-worst category.
At component level the recurring items are rbt (sp), pins and bushes and position lamp — rbt (sp) alone was recorded 479 times.
Condition tracks the odometer closely. Failures run at 19.0% in the 0-30k band and 26.8% in the 150k+ band, a 7.8-point spread.
Suspension is the most common advisory, noted on 35.3% of tests — work that passed today but is likely due soon.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Brakes | 17.1% | 767 |
| 2 | Suspension | 11.2% | 504 |
| 3 | Lighting & signalling | 11.0% | 493 |
| 4 | Steering | 6.1% | 275 |
| 5 | Tyres | 4.0% | 181 |
| 6 | Visibility | 2.8% | 127 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Rbt (sp) | 479 |
| 2 | Pins and bushes | 472 |
| 3 | Position lamp | 290 |
| 4 | Track rod end | 283 |
| 5 | Ball joint | 267 |
| 6 | Parking brake performance | 227 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 35.3% | 1,585 |
| 2 | Brakes | 34.2% | 1,538 |
| 3 | Tyres | 24.0% | 1,080 |
| 4 | Emissions & environmental | 14.0% | 629 |
| 5 | Steering | 8.7% | 391 |
| 6 | Lighting & signalling | 7.7% | 348 |
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 | 58 | 19.0% |
| 30-60k | 361 | 22.2% |
| 60-90k | 923 | 24.5% |
| 90-120k | 1,297 | 24.6% |
| 120-150k | 1,062 | 28.3% |
| 150k+ | 791 | 26.8% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 4,281 | 25.6% |
| Petrol | 213 | 25.8% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 1,081 | 25.0% |
| 2022 | 1,026 | 26.7% |
| 2023 | 914 | 25.7% |
| 2024 | 777 | 24.7% |
| 2025 | 696 | 25.9% |
What to check before buying a 2008 300
The failure pattern for this year is specific enough to inspect against: brakes accounted for 17.1% of tests. Start there.
- Brakes (17.1% 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.
- Suspension (11.2% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Lighting & signalling (11.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£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 2008 Chrysler-Jeep 300s pass their MOT?
74.4% of the 4,494 2008 Chrysler-Jeep 300 MOT tests in this dataset passed — a 25.6% fail rate.
What is the most common MOT failure on a 2008 Chrysler-Jeep 300?
Brakes, recorded in 17.1% of tests, followed by suspension (11.2%).
Does the 2008 300 get worse with mileage?
Its MOT fail rate rises from 19.0% in the 0-30k band to 26.8% in the 150k+ band.
Methodology & source. Based on 4,494 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.