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Renault Mégane III faults

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

Extra caution
Reliability
2.5/5

4 known faults

TCe 115 (1.2)

  1. 1.2 TCe oil consumption that can lead to engine failure

    Severity 3/3 · Serious

    L'argus reports that the Mégane III suffered problems with the 1.2 TCe 115 (loss of power, oil consumption): repairs range from reprogramming to replacing the lower engine block, or even the whole engine. Autocopilot attributes this oil consumption, up to 1 litre per 1,000 km, to poorly designed piston rings and cites the Mégane III among the affected models; the 2019 recall does not cover every vehicle.

    Versions
    TCe 115 (1.2), TCe 130 EDC (1.2)
    Onset
    not documented
    Repair
    not documented

  2. Loss of brake assistance (1.2 TCe, 2012 recall)

    Manufacturer recall

    On Mégane III vehicles with the 1.2 TCe (H5Ft) engine built up to 18 August 2012, the brake pedal can become hard due to lack of assistance when the car slows or stops several times on a slope with the engine idling. According to Auto Bild, the injection computer does not generate enough vacuum for the brake booster; Renault reprograms this computer in the workshop during the recall.

    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
    TCe 115 (1.2)
    Onset
    not documented
    Repair
    not documented

TCe 130 EDC (1.2)

  1. 1.2 TCe oil consumption that can lead to engine failure

    Severity 3/3 · Serious

    L'argus reports that the Mégane III suffered problems with the 1.2 TCe 115 (loss of power, oil consumption): repairs range from reprogramming to replacing the lower engine block, or even the whole engine. Autocopilot attributes this oil consumption, up to 1 litre per 1,000 km, to poorly designed piston rings and cites the Mégane III among the affected models; the 2019 recall does not cover every vehicle.

    Versions
    TCe 115 (1.2), TCe 130 EDC (1.2)
    Onset
    not documented
    Repair
    not documented

  2. EDC gearbox failures (control unit or dual clutch)

    Severity 2/3 · Costly

    On EDC Mégane III vehicles, owners describe jerking, a clutch that slips when pulling away with the message "gearbox to be checked", gear skipping or reverse no longer engaging. The repairs cited range from reprogramming to replacing the dual clutch (around 1,000 euros) or the gearbox control unit (1,537 euros billed by Renault in one case).

    Versions
    TCe 130 EDC (1.2), dCi 110
    Onset
    not documented
    Repair
    €1,000 to €1,537

dCi 110

  1. Premature timing belt failure (1.5 dCi 110)

    Severity 3/3 · Serious

    L'argus lists a workshop action from April 2013 covering 1.5 dCi 110 engines built from 1 September 2009 to 31 October 2010 (49,734 vehicles, including Mégane III). Mégane III owners from 2010 describe belts breaking at around 70,000 km, well before the service interval, with the engine needing replacement.

    Versions
    dCi 110
    Onset
    not documented
    Repair
    not documented

  2. EDC gearbox failures (control unit or dual clutch)

    Severity 2/3 · Costly

    On EDC Mégane III vehicles, owners describe jerking, a clutch that slips when pulling away with the message "gearbox to be checked", gear skipping or reverse no longer engaging. The repairs cited range from reprogramming to replacing the dual clutch (around 1,000 euros) or the gearbox control unit (1,537 euros billed by Renault in one case).

    Versions
    TCe 130 EDC (1.2), dCi 110
    Onset
    not documented
    Repair
    €1,000 to €1,537

No recurring fault documented for: 1.6 16V 110, TCe 130 (1.4), dCi 130 (1.9), Energy dCi 130 (1.6).

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 Renault Mégane III (timing, brakes, filters) to estimate the repairs to plan for.

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