2008 Volvo C30 diesel: common problems and MOT failures
What MOT testers find on the diesel Volvo C30 first registered in 2008 (diesel cars only): we looked at the 3,805 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 2008 Volvo C30 diesel?
Parts flagged at MOT more often on the 2008 Volvo C30 diesel than on all cars registered in 2008.
- Number plate lights2.5× usualVolvo C3021.4% All 2008 cars8.5%
Failed outright at MOT: 5.8%, against 2.3% of all 2008 cars. The rest were advisories or minor defects.
Rough price £5–£40 our estimateAt the viewing: Check the number plate lights work and the plates are clean and legal.
- Drive shaft (CV) joints1.7× usualVolvo C3011.2% All 2008 cars6.6%
Failed outright at MOT: 5.6%, against 3% of all 2008 cars. The rest were advisories or minor defects.
Rough price £60–£350 our estimateAt the viewing: Drive slowly on full steering lock in both directions and listen for clicking. Look for split rubber boots behind the front wheels.
- Steering rack3.2× usualVolvo C303.2% All 2008 cars1%
Failed outright at MOT: 2.5%, against 0.6% of all 2008 cars. The rest were advisories or minor defects.
Rough price £100–£450 our estimateAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Side repeaters2.1× usualVolvo C303% All 2008 cars1.4%
Failed outright at MOT: 1.6%, against 0.9% of all 2008 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Airbag warning light2.1× usualVolvo C302.1% All 2008 cars1%
Failed outright at MOT: 1.9%, against 0.9% of all 2008 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
Rigid brake pipes: 1.4% here, against 9.3% of all 2008 cars. Brake lights: 0.7% here, against 5.5% of all 2008 cars.
Common 2008 Volvo C30 diesel MOT failures and advisories
The share of 2008 Volvo C30 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension45% 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.
- Lights and electrics41% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres39% 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.
- Brakes32% 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.
- Driveshafts and joints11% of testsRough price £60–£350
At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.
- Oil and fluid leaks11% 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.
Known faults on the 2008 Volvo C30 diesel
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- All engines
Brake, steering and cooling recalls
There were several recalls, covering brakes, steering and engine cooling.
At the viewing: Run the free DVSA recall check on the reg.
- All engines
Stability control failure
Older cars can suffer a stability control failure that is expensive to fix.
At the viewing: Make sure no stability control or ABS warning lights show.
- All engines
Rattling trim and air con
Listen for rattling trim, and check the ventilation and air con work properly.
At the viewing: Listen for rattles on rough roads and test the air con.
Questions to ask the seller before buying a 2008 Volvo C30 diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has all the recall work been done?
- Any recent work on the number plate lights? (Flagged at MOT 2.5× as often on the 2008 Volvo C30 diesel as on other cars the same age.)
- Any recent work on the drive shaft (cv) joints? (Flagged at MOT 1.7× as often on the 2008 Volvo C30 diesel as on other cars the same age.)
- Any recent work on the steering rack? (Flagged at MOT 3.2× as often on the 2008 Volvo C30 diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Volvo C30?
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 Volvo C30 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2013 | 2,923 | Suspension 33% |
| 2012 | 8,658 | Suspension 35% |
| 2011 | 9,487 | Tyres 36% |
| 2010 | 14,991 | Suspension 40% |
| 2009 | 15,355 | Suspension 41% |
| 2007 | 6,606 | Suspension 44% |
| 2006 | 336 | Suspension 45% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Volvo C30 cars first registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score