IsItAGoodCar
Reliability Guide

Common Problems with the
2016 Citroën C4 Picasso / Grand C4 Picasso (Mk2)

By the middle of the run the Picasso had settled into a strong family-car rhythm, but late diesel SCR hardware and petrol wet-belt maintenance became more important than the clever cabin alone.

Common MOT watch-outs

  • !Front suspension wear
  • !Brake imbalance
  • !Emissions-system warnings on diesels
3
Known Issues
2
Serious
1
Moderate
0
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

BlueHDi AdBlue tank and NOx-sensor faults

SeriousExhaust & Emissions

Later diesels can throw UREA warnings, emissions faults and no-start countdowns when the SCR system, tank or NOx sensors begin to fail.

Est. Repair Cost: £300–£1,300
Warning Signs:

UREA or engine warning light, Starting impossible countdown, Repeated emissions faults after clearing

What to Inspect:
  • Scan for SCR and NOx codes
  • Check for tank or sensor replacement invoices
  • Drive it until fully hot
Verified by IsItAGoodCar Research Team

Touchscreen and parking-brake glitches

ModerateElectrics & Electronics

The touchscreen controls so much of the cabin that lag, black screens or electronic parking-brake faults are more than minor annoyances on an everyday family car.

Est. Repair Cost: £120–£700
Warning Signs:

Frozen screen, Missing climate menus, Parking brake fault message, Camera or sensor dropouts

What to Inspect:
  • Test media, nav and climate together
  • Cycle the parking brake repeatedly
  • Check whether the unit has had software updates
Verified by IsItAGoodCar Research Team

Buying Tips for 2016 Citroën C4 Picasso / Grand C4 Picasso (Mk2)

  • ✓On 1.2 PureTech petrols, inspect the wet belt and insist on proof of the correct oil and replacement interval
  • ✓BlueHDi diesels should be checked for UREA, SCR or NOx faults even if the warning light is currently off
  • ✓Test the touchscreen, parking sensors, reversing camera and sliding-seat mechanisms properly because family use exposes every weak point
  • ✓Choose on evidence of longer journeys and decent upkeep, not just low mileage, because these cars suffer when used only for school runs
20152017–2022
Check a 2016 Citroën C4 Picasso / Grand C4 Picasso (Mk2) by Registration