IsItAGoodCar
Reliability Guide

Common Problems with the
2010 Citroën C5 (Mk2, X7)

Facelift C5 with revised front and rear lighting, LED daytime running lights, eTouch emergency call, and a Euro 5 diesel line-up including 1.6 e-HDi stop-start and 2.0 HDi 163.

What changed for 2010

  • •Restyled front bumper, LED daytime running lights and Dark Crystal rear lamps
  • •eTouch emergency and assistance system on selected models
  • •Revised Euro 5 HDi diesels, a 1.6 THP petrol option and improved efficiency on 2.0 HDi 163

Common MOT watch-outs

  • !Hydractive sphere or hose leaks causing sagging suspension and failing ride-height tests
  • !Exhaust DPF sensor or EGR-related emissions failures on tired diesels
  • !Worn drop links and front wishbone bushes producing knocking on potholed UK roads
3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

Leaking Front Suspension Struts (Hydractive)

SeriousSuspension & Chassis

The front struts on Hydractive models are prone to weeping oil. They are non-repairable and must be replaced to pass an MOT.

Est. Repair Cost: £250–£600
Warning Signs:

Visible oil leaks on the driveway, Fluid "dampness" on the strut body, Bouncy or harsh ride

What to Inspect:
  • Inspect front struts for any sign of hydraulic fluid leaks
  • Check LDS fluid level in the reservoir
Verified by IsItAGoodCar Research Team

Steering Rack Pinion Corrosion

SeriousSuspension & Chassis

The steering rack pinion tend to rust, leading to seal failure and significant fluid leaks. New replacements are scarce in the UK.

Est. Repair Cost: £500–£1,200
Warning Signs:

Heavy steering, Loss of steering fluid, Visible rust on the steering rack pinion area

What to Inspect:
  • Inspect the steering rack for leaks or corrosion
  • Listen for groaning noises when turning the wheel
Verified by IsItAGoodCar Research Team

Independent Wiper Motor Failure

ModerateElectrics & Electronics

The C5 uses two independent wiper motors. If one fails, the wipers can collide, potentially cracking the windscreen.

Est. Repair Cost: £150–£400
Warning Signs:

One wiper stops moving, Wipers collide and jam, Wiper warning message

What to Inspect:
  • Test all wiper speeds and ensure they move in perfect sync
Verified by IsItAGoodCar Research Team

Buying Tips for 2010 Citroën C5 (Mk2, X7)

  • Prefer Exclusive trim with a full dealer or specialist service record, including recent suspension fluid changes
  • Run diagnostics for EGR and DPF faults; short-trip use often leads to clogging and warning lamps
  • Verify the 6-speed automatic or manual gearbox shifts smoothly and the clutch bite is clean