Chrysler
300
1,328 MOT tests analysed. lands in the middle of the pack — here's where 300s pass, fail, and end up on the retest sheet.
That's 3.6 points below the UK fleet average across our 1,984 tracked models — buyers should expect more first-time fails than the typical UK car.
Pass
74.0%
Pass-after-fix
4.8%
Fail
20.3%
Avg miles
107,011
Pass + Pass-after-fix + Fail = 100%
Trim variants
The picture
300: middle-of-the-pack on first-time pass
Across 741 MOT tests, the 300 returns 72.7% first-time pass — below the UK fleet average. The single most-logged Major fail is a weak handbrake. Parking brake efficiency less than 50% of the and parking brake inoperative on one side round out the top three. Average tested mileage sits at 104,055, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
ABI Insurance Group
Group 16–34
Around the UK fleet average for insurance cost. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
16–34
out of 50
Top ten reasons for rejection.
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- 01
A suspension pin, bush or joint excessively worn
80 occurrences · 6.0% of tests
- 02
Parking brake efficiency below minimum requirement
51 occurrences · 3.8% of tests
- 03
A suspension joint dust cover severely deteriorated
42 occurrences · 3.2% of tests
- 04
A steering ball joint with excessive wear or free play
41 occurrences · 3.1% of tests
- 05
Parking brake efficiency less than 50% of the required value
40 occurrences · 3.0% of tests
- 06
Tyre tread depth not in accordance with the requirements
38 occurrences · 2.9% of tests
- 07
Parking brake inoperative on one side
36 occurrences · 2.7% of tests
- 08
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources
35 occurrences · 2.6% of tests
- 09
A suspension pin, bush or joint excessively worn
34 occurrences · 2.6% of tests
- 10
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
31 occurrences · 2.3% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 3 failures
£240–£720
If every one of this 300's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Build your own retest budget.
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Parts & supplies for this fix
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Recall history
4 UK recalls on record.
The 300 has 4 official UK vehicle recalls covering defect details, remedies, and affected build dates.
Buying or keeping a 300?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a 300 and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.