2006 Chrysler Jeep 300 — MOT failures & pass rate
Across 5,649 MOT tests analysed for the 2006 Chrysler Jeep 300, the most common recorded failure areas were brakes, lighting & signalling and suspension. Its pass rate of 74.9% was in line with the average for cars of a similar age (74.4%). Higher-mileage examples failed more often — 27.2% in the 150k+ group versus 15.1% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Brakes | 17.2% | 972 |
| 2 | Lighting & signalling | 10.1% | 570 |
| 3 | Suspension | 10.0% | 566 |
| 4 | Steering | 5.8% | 325 |
| 5 | Tyres | 3.4% | 194 |
| 6 | Emissions & environmental | 3.2% | 183 |
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) | 664 |
| 2 | Pins and bushes | 360 |
| 3 | Track rod end | 318 |
| 4 | Ball joint | 302 |
| 5 | Parking brake performance | 273 |
| 6 | Position lamp | 270 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 37.8% | 2,134 |
| 2 | Suspension | 34.1% | 1,926 |
| 3 | Tyres | 23.2% | 1,313 |
| 4 | Emissions & environmental | 16.1% | 910 |
| 5 | Other defects | 10.6% | 598 |
| 6 | Steering | 9.2% | 519 |
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 | 86 | 15.1% |
| 30-60k | 464 | 16.4% |
| 60-90k | 1,199 | 23.8% |
| 90-120k | 1,560 | 25.6% |
| 120-150k | 1,251 | 27.7% |
| 150k+ | 1,085 | 27.2% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 4,502 | 25.6% |
| Petrol | 1,146 | 23.0% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 1,465 | 25.7% |
| 2022 | 1,288 | 24.8% |
| 2023 | 1,137 | 23.8% |
| 2024 | 966 | 25.5% |
| 2025 | 793 | 25.9% |
What to check before buying a 2006 300
Before buying a 2006 Chrysler Jeep 300, focus on the areas it most often fails on. Brakes accounted for 17.2% of tests for this year.
- Brakes (17.2% 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.
- Lighting & signalling (10.1% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Suspension (10.0% 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.
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 2006 Chrysler Jeep 300s pass their MOT?
74.9% of the 5,649 2006 Chrysler Jeep 300 MOT tests in this dataset passed — a 25.1% fail rate.
What is the most common MOT failure on a 2006 Chrysler Jeep 300?
Brakes, recorded in 17.2% of tests, followed by lighting & signalling (10.1%).
Does the 2006 300 get worse with mileage?
Its MOT fail rate rises from 15.1% in the 0-30k band to 27.2% in the 150k+ band.
Methodology & source. Based on 5,649 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.