Citroën C3 (Mk3)
The third-generation C3 introduced "Airbumps" and a more SUV-like stance. It shares its platform with the Peugeot 208 and suffers from similar engine-related issues.
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Common Faults & Reliability
These are the most common documented problems for the Citroën C3 (Mk3), sorted by their typical impact and frequency.
1.2 PureTech "Wet Belt" Degradation
high severityThe timing belt runs in oil and can degrade, shedding debris that blocks the oil pickup. This leads to oil starvation, vacuum pump failure, and a dangerous loss of braking assistance (Recall R/2020/331).
AdBlue Tank and Pump Failure
high severityThe AdBlue system on BlueHDi diesels is prone to pump failure, often requiring a full tank replacement.
Exhaust Back Box Detachment
medium severityThe exhaust back box support rod or joint can corrode prematurely, causing the muffler to hang low or detach entirely.
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