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UK Reliability Directory

Ford S-MAX Mk2

Production Years: 2015 - 20234 Documented Faults

The Mk2 Ford S-MAX is a more refined, mature, and quieter evolution of the original, sharing its sophisticated platform with the Mondeo Mk5. Positioned as a premium family MPV, it offers a vastly improved cabin, advanced safety tech, and a very comfortable ride, though it lost a fraction of the Mk1's sharp handling. In the UK, it remains an excellent choice for large families, but it introduces complex new electronics and the risky 1.5 EcoBoost engine to the lineup. It is best suited for buyers wanting a sleek, comfortable 7-seater who are willing to carefully navigate the engine and gearbox choices.

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Common Faults & Reliability

These are the most common documented problems for the Ford S-MAX Mk2, sorted by their typical impact and frequency.

1.5 EcoBoost Cylinder Block Coolant Intrusion & Overheating

high severity

A structural slit between the cylinder bore liners allows engine coolant to breach the head gasket and leak directly into cylinders 2 and 3, causing engine misfires, white exhaust vapor, and fatal engine seizure.

Est. repair cost:£1,800–£4,500

PowerShift 6-Speed Dual-Clutch (6DCT450) Valve Body Shudder & TCM Faults

high severity

The 6-speed wet dual-clutch transmission suffers from clutch wear debris clogging internal solenoids in the mechatronic valve body, causing harsh engagement, slipping, and gearbox limp mode.

Est. repair cost:£800–£2,200

Panoramic Glass Sunroof Roller Blind Guide Rail Jam & Motor Strip

low severity

The cables and plastic guide runners for the electric panoramic roof roller blind jump their tracks or snap, jamming the blind in a half-open position and stripping the plastic motor drive gears.

Est. repair cost:£200–£550
View All 4 Documented Issues

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