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Ford S-Max II faults

4 faults documented by at least two sources, listed by version then by mileage at onset when known.

Buy with care
Reliability
3.5/5

4 known faults

2.0 TDCi 150

  1. 12 V battery leak: overheating and fire risk

    Manufacturer recall

    In 2019, Ford recalled around 322,000 Mondeo, S-Max and Galaxy vehicles built between February 2014 and February 2019: acid could leak from the negative terminal of the starter battery and disable the battery monitoring system, with a risk of overheating and then fire under the bonnet. The announced fix is an intermediate cable with a fuse. It can be checked using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  2. Corrosion of the rear suspension arm bolts

    Manufacturer recall

    Ford campaign 20S75 concerns S-Max and Galaxy vehicles built between 20 January 2015 and 18 February 2020: the original bolts of the rear suspension arms are prone to corrosion and can break, which reduces steering control and increases the risk of an accident. Have it checked by Ford using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

2.0 EcoBoost 240

  1. 12 V battery leak: overheating and fire risk

    Manufacturer recall

    In 2019, Ford recalled around 322,000 Mondeo, S-Max and Galaxy vehicles built between February 2014 and February 2019: acid could leak from the negative terminal of the starter battery and disable the battery monitoring system, with a risk of overheating and then fire under the bonnet. The announced fix is an intermediate cable with a fuse. It can be checked using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  2. Corrosion of the rear suspension arm bolts

    Manufacturer recall

    Ford campaign 20S75 concerns S-Max and Galaxy vehicles built between 20 January 2015 and 18 February 2020: the original bolts of the rear suspension arms are prone to corrosion and can break, which reduces steering control and increases the risk of an accident. Have it checked by Ford using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

2.0 EcoBlue 150

  1. 12 V battery leak: overheating and fire risk

    Manufacturer recall

    In 2019, Ford recalled around 322,000 Mondeo, S-Max and Galaxy vehicles built between February 2014 and February 2019: acid could leak from the negative terminal of the starter battery and disable the battery monitoring system, with a risk of overheating and then fire under the bonnet. The announced fix is an intermediate cable with a fuse. It can be checked using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  2. Corrosion of the rear suspension arm bolts

    Manufacturer recall

    Ford campaign 20S75 concerns S-Max and Galaxy vehicles built between 20 January 2015 and 18 February 2020: the original bolts of the rear suspension arms are prone to corrosion and can break, which reduces steering control and increases the risk of an accident. Have it checked by Ford using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  3. 'Wet' timing belt on the 2.0 EcoBlue: wear and debris

    Severity 3/3 · Serious

    On the 2.0 EcoBlue, the timing belt runs in oil. According to Dayco, dilution of the oil by diesel is not rare and can degrade the belt; fragments can block the oil pump strainer and deprive the engine of lubrication. The component supplier advises checking the oil and the condition of the belt at every workshop visit. CarChecker quotes 1,000 to 2,500 € for a repair linked to the wet belt on the S-Max Mk2 (EcoBlue from 2018).

    Versions
    2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    €1,000 to €2,500

  4. Faulty 2.0 EcoBlue injectors (2019 batch)

    Severity 2/3 · Costly

    Ford has identified a batch of faulty high-pressure injectors (supplier not meeting its quality requirements) on 2.0 EcoBlue engines built between 25 February and 13 September 2019, the S-Max included. Symptoms: misfiring and loss of engine performance. Ford covers the repair of the vehicles concerned.

    Versions
    2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

2.0 EcoBlue 190

  1. 12 V battery leak: overheating and fire risk

    Manufacturer recall

    In 2019, Ford recalled around 322,000 Mondeo, S-Max and Galaxy vehicles built between February 2014 and February 2019: acid could leak from the negative terminal of the starter battery and disable the battery monitoring system, with a risk of overheating and then fire under the bonnet. The announced fix is an intermediate cable with a fuse. It can be checked using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  2. Corrosion of the rear suspension arm bolts

    Manufacturer recall

    Ford campaign 20S75 concerns S-Max and Galaxy vehicles built between 20 January 2015 and 18 February 2020: the original bolts of the rear suspension arms are prone to corrosion and can break, which reduces steering control and increases the risk of an accident. Have it checked by Ford using the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    2.0 TDCi 150, 2.0 EcoBoost 240, 2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

  3. 'Wet' timing belt on the 2.0 EcoBlue: wear and debris

    Severity 3/3 · Serious

    On the 2.0 EcoBlue, the timing belt runs in oil. According to Dayco, dilution of the oil by diesel is not rare and can degrade the belt; fragments can block the oil pump strainer and deprive the engine of lubrication. The component supplier advises checking the oil and the condition of the belt at every workshop visit. CarChecker quotes 1,000 to 2,500 € for a repair linked to the wet belt on the S-Max Mk2 (EcoBlue from 2018).

    Versions
    2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    €1,000 to €2,500

  4. Faulty 2.0 EcoBlue injectors (2019 batch)

    Severity 2/3 · Costly

    Ford has identified a batch of faulty high-pressure injectors (supplier not meeting its quality requirements) on 2.0 EcoBlue engines built between 25 February and 13 September 2019, the S-Max included. Symptoms: misfiring and loss of engine performance. Ford covers the repair of the vehicles concerned.

    Versions
    2.0 EcoBlue 150, 2.0 EcoBlue 190
    Onset
    not documented
    Repair
    not documented

No recurring fault documented for: 2.5 Hybrid 190.

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Ford S-Max II (timing, brakes, filters) to estimate the repairs to plan for.

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