BatteryHigh
E-Tense plug-in hybrid battery and charging faults
- Typically appears
- 40,000+ miles
- What to inspect
- Run a full charge and check EV range and charging error messages
- Typical repair
- Significant repair · £400–£1,400
DS
Is the 2018–2026 DS DS 7 Crossback reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
4.6/ 10
Buy with cautionOn our documented-fault scoring the DS DS 7 Crossback rates 4.6 out of 10 · buy with caution. We hold 8 known faults for it and 3 are rated high severity, so the risk is real but contained. The weak points cluster around battery, suspension and electrical. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Walk unless the history is spotless
What the score is built from
- Critical
- 0
- High
- 3
- Medium
- 3
- Low
- 2
Weak points cluster around battery, suspension, electrical, engine.
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EngineHigh
Diesel DPF and AdBlue faults on urban cars
- Typically appears
- 50,000+ miles
- What to inspect
- Check AdBlue level and any regeneration warnings
- Typical repair
- DPF forced regen or replacement · £250–£1,600
Engine (1.2 PureTech)High
Wet timing belt degradation causing oil starvation
- Typically appears
- 40,000-60,000 miles
- What to inspect
- Remove the oil filler cap, shine a torch inside, and inspect the visible section of the timing belt for swelling, fraying, or surface cracks.
- Typical repair
- Timing / wet belt kit + water pump · £450–£1,100
SuspensionMedium
Active Scan suspension camera and damper faults
- Typically appears
- 50,000+ miles
- What to inspect
- Check for suspension warning messages and uneven ride
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
ElectricalMedium
Infotainment reboots, heads-up display and camera dropouts
- Typically appears
- Age-related
- What to inspect
- Test every screen and camera from a cold start
- Typical repair
- Infotainment repair or software fix · £120–£1,200
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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