Citroën C5 (Mk2, X7)
The second-generation Citroën C5, known internally as the X7, was launched in the UK in 2008 as a large executive saloon or Tourer estate competing with the Ford Mondeo, Vauxhall Insignia and entry-level Audi A4. It was prized for a magic-carpet ride from Hydractive 3+ hydropneumatic suspension on Exclusive and higher trims, while lower trims such as VTR used conventional steel springs. UK sales were dominated by 1.6 HDi, 2.0 HDi and 2.2 HDi twin-turbo diesels, with a 3.0 V6 HDi flagship and a 1.6 THP petrol for those wanting to avoid diesels. By the mid-2010s the C5 was fading, and it was withdrawn around 2017. Used prices are very low, which puts it within reach of comfort-focused buyers and high-mileage drivers, but the complexity of hydraulic suspension, diesel emissions equipment and electrical systems means a specialist mechanic and honest service history are essential. Estate versions are huge and remain popular with dog owners and caravanners who want soft ride and long-distance economy.
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Common Faults & Reliability
These are the most common documented problems for the Citroën C5 (Mk2, X7), sorted by their typical impact and frequency.
Leaking Front Suspension Struts (Hydractive)
high severityThe front struts on Hydractive models are prone to weeping oil. They are non-repairable and must be replaced to pass an MOT.
Steering Rack Pinion Corrosion
high severityThe steering rack pinion tend to rust, leading to seal failure and significant fluid leaks. New replacements are scarce in the UK.
Independent Wiper Motor Failure
medium severityThe C5 uses two independent wiper motors. If one fails, the wipers can collide, potentially cracking the windscreen.
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