Practical family MPV, but EcoBoost engines need checking
The C-Max was Ford's compact MPV, based on the Focus platform and sold in standard 5-seat and Grand C-Max 7-seat variants. Production ended in 2019, so all examples are now used-only. It finished 3rd in the MPV class with a 95% reliability score in What Car surveys, though its overall MOT pass rate of 79% sits 3 points below the national average. Mk2 (2011-2019) examples range from £4,000 to £12,000 depending on age and engine.
We track 5 known issues across the Ford C-MAX range, with 4 classified as significant. Knowing which variants and configurations to approach with caution can save you from expensive surprises after purchase.
Found a Ford C-MAX? Enter the reg to see which of our 5 known issues apply to that exact car, plus full MOT history and mileage checks.
C214 (2003–2010) — Petrol options included the 1.6 Duratec Ti-VCT, 1.8 Duratec HE, 2.0 Duratec HE, with 1.6 TDCi, 1.8 TDCi, 2.0 TDCi on the diesel side. We track 5 known issues on this generation, with 4 classified as significant. The most significant concern is DPF blockage and regeneration failure (£300–£2,000 to address).
C344 (2010–2019) — Petrol options included the 1.0 EcoBoost, 1.0 EcoBoost, 1.5 EcoBoost, 1.6 Ti-VCT, with 1.5 TDCi, 1.6 TDCi, 2.0 TDCi on the diesel side. We track 5 known issues on this generation, with 4 classified as significant. The most significant concern is DPF blockage and regeneration failure (£300–£2,000 to address).
The diesel particulate filter (DPF) captures soot particles from the exhaust on all Ford diesel engines from 2005 onwards. The C-MAX is frequently used for urban driving which prevents the DPF from reaching the high exhaust temperatures needed for automatic regeneration. Incomplete regeneration cycles cause progressive soot accumulation until the filter blocks completely, triggering warning lights and limp mode. This is the most common diesel-related fault on Ford C-MAX models.
A completely blocked DPF requires professional cleaning (£300-500) or replacement (£1500-2500). Continued driving with a blocked DPF can damage the turbocharger due to excessive back pressure. The car may enter limp mode and become unsafe for motorway driving.
Ask about the car's typical usage — short urban journeys prevent DPF regeneration. Check for DPF warning lights and ask about any previous regeneration issues. A forced regeneration at a garage costs far less than a DPF replacement.
Ford C-MAX models suffer from premature corrosion and excessive wear of suspension components, particularly front lower control arms, anti-roll bar links, and subframe mounting points. The combination of road salt exposure and the vehicle's weight distribution accelerates corrosion beyond normal fleet rates. This affects structural safety and requires immediate attention when detected during MOT testing. Both generations show this pattern across all mileage ranges.
Severely corroded suspension components pose a direct safety risk and will result in MOT failure. Control arm failure can cause loss of steering control. Replacement costs vary from £200-400 for individual components to £800-1500 if multiple components require replacement simultaneously.
Listen for knocking, clunking or rattling over bumps during the test drive. Inspect the underside for corroded or cracked suspension components. Check the MOT history for suspension-related advisories, which often predict future failures.
Ford C-MAX models experience wheel bearing failure at rates significantly above the national fleet average, particularly on the front wheels. The combination of the vehicle's weight, suspension geometry, and bearing quality leads to premature wear. Bearing failure creates a safety risk as it can cause wheel wobble and, in extreme cases, wheel detachment. The problem appears across both generations and all mileage ranges including very low mileage examples.
Worn wheel bearings must be replaced immediately as they pose a direct safety risk. Complete bearing failure can cause wheel wobble, loss of braking effectiveness, and potential wheel detachment. Replacement typically costs £150-300 per wheel including labour.
Listen for knocking, clunking or rattling over bumps during the test drive. Inspect the underside for corroded or cracked suspension components. Check the MOT history for suspension-related advisories, which often predict future failures.
Ford C-MAX diesel models produce excessive exhaust smoke at rates far exceeding fleet averages, indicating problems with the diesel particulate filter, injection system, or turbocharger. Black smoke suggests incomplete combustion often caused by faulty injectors or blocked air intake. Blue smoke indicates oil consumption from turbocharger seal failure or engine wear. Both types represent significant defects that affect emissions compliance and engine health.
Excessive exhaust smoke will cause MOT emissions failure and may indicate expensive underlying faults. Turbocharger failure costs £1500-2500, injection system problems £800-2000, and DPF replacement £1500-2500. The car may be deemed unroadworthy for emissions compliance.
Ask about the car's typical usage — short urban journeys prevent DPF regeneration. Check for DPF warning lights and ask about any previous regeneration issues. A forced regeneration at a garage costs far less than a DPF replacement.
The rubber gaiters (dust covers) that protect the steering rack ball joints deteriorate and split on Ford C-MAX models at significantly higher rates than the fleet average. These gaiters prevent dirt and moisture from entering the steering mechanism. When they fail, contamination causes accelerated wear of the steering rack internals, particularly the ball joints and rack mechanism itself. This is a progressive fault that appears across all engine variants and generations.
Failed gaiters allow dirt and moisture to contaminate the steering rack, leading to premature wear of internal components. If left unrepaired, complete steering rack replacement may be required at £800-1200. The steering remains safe but will progressively deteriorate.
During the test drive, check the steering for excessive play, vibration or pulling to one side. Listen for groaning or whining when turning the wheel at low speed. Power steering fluid level and condition should be checked on hydraulic systems.
For the full breakdown of all 5 tracked issues with repair costs, see the Ford C-MAX common problems page.
Based on 639k real DVSA MOT tests, the Ford C-MAX fails more often than average on several items. The biggest outlier is emissions failure at 86x the fleet average, followed by headlight fault (40x).
When viewing a specific car, check its MOT history for recurring advisories in these categories. See the full Ford C-MAX MOT failure breakdown for data at every mileage point.
Routine servicing (oil and filter change every 13k miles) typically costs £80–£120 at an independent garage.
See the full Ford C-MAX service schedule for every interval and cost breakdown.
The Ford C-MAX is a solid choice on the used market, though not without its quirks. The issues we track are well-understood and largely avoidable if you know what to look for. A thorough inspection and complete service history go a long way. 2015-2017 for the Mk2 (post-2014 facelift, 1.0 EcoBoost head gasket redesign from 2017, highest MOT pass rates, Titanium trim with good standard kit). Choose the 1.5 TDCi diesel or post-2017 1.0 EcoBoost over the 1.5 EcoBoost petrol. Always choose a manual gearbox over the PowerShift automatic.
Before committing, check the car's full MOT history, verify the service record is complete, and if possible arrange a specialist inspection. Enter any registration into our free report to see the complete picture.
Get Car Wise maintains a database of known mechanical issues for every popular car on UK roads, tracking the faults that owners, specialists and DVSA data reveal.
When you run a report on a specific Ford C-MAX, we cross-reference the exact variant, engine and age against our database of 5 known issues. Combined with full MOT history analysis, mileage verification and DVLA data, you get a complete picture before viewing.
Enter the registration for MOT history, mileage verification, known faults for that exact variant, and a Get Car Wise Score.
This guide was compiled from independent expert reviews, DVSA MOT data, specialist workshops and our own database of 5 known Ford C-MAX issues. We are not affiliated with any source listed.