2005 Ford Focus C-Max diesel: common problems and MOT failures
What MOT testers find on the diesel Ford Focus C-Max first registered in 2005 (diesel cars only): we looked at the 2,834 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 2005 Ford Focus C-Max diesel?
Parts flagged at MOT more often on the 2005 Ford Focus C-Max diesel than on all cars registered in 2005.
- Headlights1.7× usualFord Focus C-Max22.6% All 2005 cars13.3%
Failed outright at MOT: 9.9%, against 5% of all 2005 cars. The rest were advisories or minor defects.
Rough price £40–£400 our estimateAt the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.
- Coil springs1.9× usualFord Focus C-Max19.3% All 2005 cars10.3%
Failed outright at MOT: 6.4%, against 2.9% of all 2005 cars. The rest were advisories or minor defects.
Rough price £175–£400 (pair, one axle) ClickMechanicAt the viewing: Look behind each wheel for a snapped spring coil, and listen for a clunk or twang when turning the wheel lock to lock with the car stopped.
- Sub-frame2.4× usualFord Focus C-Max13.2% All 2005 cars5.4%
Failed outright at MOT: 0.8%, against 0.3% of all 2005 cars. The rest were advisories or minor defects.
Rough price £300–£1,000 our estimateAt the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
- Suspension arm3× usualFord Focus C-Max10.3% All 2005 cars3.4%
Failed outright at MOT: 1.1%, against 0.4% of all 2005 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.
- Brake pads1.7× usualFord Focus C-Max14.1% All 2005 cars8.1%
Failed outright at MOT: 4%, against 2% of all 2005 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
Rigid brake pipes: 1.9% here, against 14.9% of all 2005 cars. Flexible brake hoses: 1.2% here, against 5.6% of all 2005 cars.
Common 2005 Ford Focus C-Max diesel MOT failures and advisories
The share of 2005 Ford Focus C-Max diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension60% 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 electrics46% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres43% 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.
- Brakes37% 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.
- Oil and fluid leaks16% 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 mirrors12% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
Known faults on the 2005 Ford Focus C-Max 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
Eight recalls
Recalls covered the electronic parking brake, wipers, fuel leaks, an engine failure risk (2006), brakes (2007 and 2009), power steering and a fire risk on some cars.
At the viewing: Run the free DVSA recall check on the reg.
- 1.6 petrol and diesel
Cambelt due (1.6 engines)
The 1.6 petrol needs a cambelt every 8 years or 100,000 miles, and the 1.6 diesel every 10 years or 125,000 miles. The 1.8 and 2.0 petrols use chains.
At the viewing: Check the service history for a cambelt change.
- Manual gearbox
Clutch failure
Clutch failure is common and expensive to fix.
At the viewing: Accelerate hard through the gears; if the revs rise without the car speeding up, the clutch is slipping.
- All engines
Creaking front suspension and air con leaks
Dried-out front bushes creak and groan, and air con that won't cool may have a costly leak.
At the viewing: Listen for creaks over speed bumps and check the air con blows cold.
Questions to ask the seller before buying a 2005 Ford Focus C-Max 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?
- When was the cambelt last changed?
- Any recent work on the headlights? (Flagged at MOT 1.7× as often on the 2005 Ford Focus C-Max diesel as on other cars the same age.)
- Any recent work on the coil springs? (Flagged at MOT 1.9× as often on the 2005 Ford Focus C-Max diesel as on other cars the same age.)
- Any recent work on the sub-frame? (Flagged at MOT 2.4× as often on the 2005 Ford Focus C-Max diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Ford Focus C-Max?
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 Ford Focus C-Max compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2011 | 363 | Tyres 39% |
| 2010 | 320 | Suspension 51% |
| 2009 | 712 | Suspension 48% |
| 2008 | 1,859 | Suspension 50% |
| 2007 | 9,035 | Suspension 52% |
| 2006 | 13,699 | Suspension 53% |
| 2004 | 7,086 | Suspension 58% |
| 2003 | 495 | Suspension 53% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Ford Focus C-Max cars first registered in 2005. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score