Reliability Guide

Common Problems with the
2022 Citroën C3 (Mk3)

We've identified 3 known issues that can affect the 2022 Citroën C3 (Mk3). 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
1
Moderate
1
Minor

All Known Issues

1.2 PureTech "Wet Belt" Degradation

SeriousEngine

The 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).

Est. Repair Cost: £600–£1,800
Warning Signs:

Low oil pressure warning, Hard brake pedal, Engine fault light, Furry/cracked belt visible through filler cap

What to Inspect:
  • Check belt condition via oil filler cap
  • Verify 0W-30/0W-20 oil usage
  • Check recall status
Verified by IsItAGoodCar Research Team

Exhaust Back Box Detachment

ModerateExhaust & Emissions

The exhaust back box support rod or joint can corrode prematurely, causing the muffler to hang low or detach entirely.

Est. Repair Cost: £150–£300
Warning Signs:

Sudden increase in exhaust noise, Rattling or dragging sound from the rear, Exhaust hanging visibly low

What to Inspect:
  • Inspect exhaust hangers and joints for heavy corrosion
  • Gently shake the tailpipe to check for security
Verified by IsItAGoodCar Research Team

Reversing Camera Calibration and Faults

MinorElectrics & Electronics

The factory-fitted reversing camera can lose its calibration guide lines or show a misaligned view of the bumper.

Est. Repair Cost: £50–£150
Warning Signs:

Missing parking guide lines, Camera view appears off-centre or zoomed in, Intermittent blank screen when in reverse

What to Inspect:
  • Check camera view for clarity and alignment
  • Ensure reversing lights are working (linked to the same circuit)
Verified by IsItAGoodCar Research Team

Buying Tips for 2022 Citroën C3 (Mk3)

  • CRITICAL: Inspect the PureTech wet belt through the oil filler cap for signs of degradation.
  • Check the touchscreen responsiveness, as it controls almost all interior functions.
  • On diesel models, verify that no AdBlue or "UREA" warning lights are present.