UK Reliability Directory

Ford S-MAX Mk1

Production Years: 2006 - 20146 Documented Faults

The Mk1 Ford S-MAX proved that a 7-seat family MPV didn't have to be boring, offering genuinely engaging driving dynamics wrapped in a sporty, low-slung body. Positioned as the dynamic alternative to the taller Galaxy, it became a massive hit with UK families who needed space but refused to compromise on handling. However, it is a heavy car, meaning heavy wear from family use, suspension fatigue, and diesel DPF issues are common. The problematic Powershift automatic gearbox on later models is a major risk, making a manual diesel the safest choice for practical, cheap family transport.

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Common Faults & Reliability

These are the most common documented problems for the Ford S-MAX Mk1, sorted by their typical impact and frequency.

Powershift Gearbox Failure

high severity

The 6DCT450 wet-clutch Powershift automatic requires fluid changes every 3 years/37,500 miles. If missed, the internal plastic damping springs shatter and destroy the mechatronic unit.

Est. repair cost:£1,500–£3,000

Steering Rack Failure

high severity

The power steering rack can leak fluid internally into the track rod end boots, eventually running the pump dry and ruining the rack.

Est. repair cost:£500–£1,000

Dual Mass Flywheel (DMF) Wear

high severity

The S-Max heavy body puts extra strain on the DMF. Symptoms include rattling at idle especially cold, vibration through the pedals and difficulty engaging gears. Some owners report failure as early as 60,000 miles on cars used in stop-start traffic.

Est. repair cost:£800-£1,500
View All 6 Documented Issues

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