TransmissionHigh
Powershift automatic shudder and harsh engagement
DCT clutch pack / mechatronic work£900–£3,200
Inspect · Pull away from cold repeatedly and feel for judder
2015–2023 Ford S-Max · common fault repair costs
What the known faults on this Ford S-Max typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £900–£3,200
- Top three risks, from
- £2,050
- Worst case, everything
- £12,800
The single priciest documented job on the 2015–2023 Ford S-Max is dct clutch pack / mechatronic work at £900–£3,200. Few cars need every repair listed here · treat £3,240–£12,800 as the full exposure if one arrived with all of them.
Cost per fault
Engine (1.5 EcoBoost Petrol)High
Coolant intrusion into cylinders causing cold-start misfires and unexplained coolant loss.
Head gasket / cooling system repair£900–£2,600
Inspect · Check the coolant expansion tank for low fluid levels. Start the engine from cold, listen for a rough, misfiring idle for the first 30 seconds, and check the exhaust for excessive sweet-smelling white smoke.
ExhaustHigh
DPF and EGR cooler faults on 2.0 TDCi cars
DPF forced regen or replacement£250–£1,600
Inspect · Warm up fully, check for warnings and inspect coolant level
ElectricalLow
SYNC infotainment freezing and reversing camera faults
Infotainment repair or software fix£120–£1,200
Inspect · Test the screen, camera and parking sensors before retail
SuspensionMedium
Front bushes and drop links knocking
Suspension refresh (per axle)£250–£1,100
Inspect · Listen over rough tarmac and check for uneven tyre wear
Engine (2.0 EcoBlue Diesel)High
Low oil pressure warning due to wet timing belt degradation blocking the oil pickup strainer.
Timing / wet belt kit + water pump£450–£1,100
Inspect · Open the oil filler cap and shine a torch inside to check for visible belt fraying or debris. Start the engine from cold and ensure the red oil pressure warning light extinguishes immediately.
BrakesMedium
Electronic Parking Brake (EPB) failing to release due to chafed wiring loom near the rear trailing arms.
Suspension refresh (per axle)£250–£1,100
Inspect · With the engine running, engage and disengage the EPB switch three times. Listen for the rear caliper motors actuating smoothly each time and check the instrument cluster for any yellow EPB malfunction messages.
Electrical / BodyMedium
Ford Dynamic LED headlight daytime running lights (DRLs) yellowing, flickering, or failing completely.
Lighting unit replacement£120–£900
Inspect · Turn the ignition on and activate the headlights. Walk to the front and visually inspect both LED DRL strips for colour consistency (look for yellow/brown tinting) and ensure neither side is flickering.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Ford S-Max this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.