2006 Chrysler-Jeep 300 diesel: common problems and MOT failures
What MOT testers find on the diesel Chrysler-Jeep 300 first registered in 2006 (diesel cars only): we looked at the 1,856 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2006 Chrysler-Jeep 300 diesel?
Parts flagged at MOT more often on the 2006 Chrysler-Jeep 300 diesel than on all cars registered in 2006.
- Track rod ends2.5× usualChrysler-Jeep 30013.7% All 2006 cars5.5%
Failed outright at MOT: 6.7%, against 2.4% of all 2006 cars. The rest were advisories or minor defects.
Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanicAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Suspension arm bushes and joints1.7× usualChrysler-Jeep 30017.7% All 2006 cars10.6%
Failed outright at MOT: 4.8%, against 2.4% of all 2006 cars. The rest were advisories or minor defects.
Rough price £120–£180 (one arm) ClickMechanicAt the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.
- Ball joint1.8× usualChrysler-Jeep 30011.7% All 2006 cars6.4%
Failed outright at MOT: 4.9%, against 3.1% of all 2006 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
- Ball joint dust cover2× usualChrysler-Jeep 3009.1% All 2006 cars4.6%
Failed outright at MOT: 2.5%, against 1.9% of all 2006 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
Headlights: 1.9% here, against 13.1% of all 2006 cars. Coil springs: 1.1% here, against 10.6% of all 2006 cars.
Common 2006 Chrysler-Jeep 300 diesel MOT failures and advisories
The share of 2006 Chrysler-Jeep 300 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension48% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Brakes48% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Tyres27% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Lights and electrics26% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Oil and fluid leaks21% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Wipers, windscreen and mirrors8% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
Questions to ask the seller before buying a 2006 Chrysler-Jeep 300 diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the track rod ends? (Flagged at MOT 2.5× as often on the 2006 Chrysler-Jeep 300 diesel as on other cars the same age.)
- Any recent work on the suspension arm bushes and joints? (Flagged at MOT 1.7× as often on the 2006 Chrysler-Jeep 300 diesel as on other cars the same age.)
- Any recent work on the ball joint? (Flagged at MOT 1.8× as often on the 2006 Chrysler-Jeep 300 diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Chrysler-Jeep 300?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Chrysler-Jeep 300 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2012 | 155 | Suspension 43% |
| 2010 | 1,088 | Suspension 47% |
| 2009 | 1,061 | Brakes 45% |
| 2008 | 1,934 | Suspension 48% |
| 2007 | 3,262 | Suspension 47% |
| 2005 | 213 | Suspension 41% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Chrysler-Jeep 300 cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score