IsItAGoodCar
Reliability Guide

Common Problems with the
2017 Fiat 500L

The 2017 model year brought a refresh to the 500L, updating the styling to align more closely with the rest of the 500 range and improving interior technology, though the underlying mechanics remained largely unchanged.

What changed for 2017

  • •Exterior styling updates, including new bumpers and LED daytime running lights.
  • •Introduction of the updated Uconnect infotainment system with improved connectivity.

Common MOT watch-outs

  • !Emissions failures related to clogged DPFs on diesel models used predominantly in urban areas.
  • !Wear and tear on the complex Dualogic gearbox actuators.
3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

Dualogic Actuator / Clutch Failure

SeriousGearbox & Transmission

The automated manual gearbox struggles with the weight of the 500L, leading to premature clutch wear and actuator faults.

Est. Repair Cost: £1,000–£2,500
Warning Signs:

Smell of burning clutch, Judder when pulling away, Gearbox error messages

What to Inspect:
  • Perform several hill starts to check for smoothness
Verified by IsItAGoodCar Research Team

TwinAir oil consumption and drive-belt failure

ModerateEngine

The 0.9 TwinAir engine is sensitive to oil quality and level. Excessive oil consumption and small oil leaks can cause the drive belt to deteriorate or snap, potentially damaging the alternator and other ancillaries. Regular oil checks and belt inspections are essential.

Est. Repair Cost: £100–£500
Warning Signs:

Burning oil smell, Drive belt squeal, Sudden loss of power steering and charging, Oil top-ups needed frequently

What to Inspect:
  • Check oil level and history of oil consumption
  • Inspect the drive belt for cracking or glazing
  • Ask about belt replacement history
Verified by IsItAGoodCar Research Team

DPF clogging on diesel models

ModerateExhaust & Emissions

The 1.3 MultiJet diesel requires regular motorway use to keep its DPF regenerating. Short urban journeys cause the filter to clog, triggering limp mode and expensive forced-regeneration or replacement work.

Est. Repair Cost: £200–£1,000
Warning Signs:

DPF warning light, Limp mode, Loss of power on the motorway, Cooling fan running after shutdown

What to Inspect:
  • Ask about the car's typical journey pattern
  • Look for DPF cleaning or regeneration invoices
  • Prefer cars with evidence of regular motorway use
Verified by IsItAGoodCar Research Team

Buying Tips for 2017 Fiat 500L

  • ✓Test the Uconnect system for any freezing or rebooting issues during operation.
  • ✓Listen for any 'clunking' from the front suspension over speed bumps, indicating worn drop links or bushes.