IsItAGoodCar
Reliability Guide

Common Problems with the
2017 Mazda CX-5 (KF)

The KF CX-5 launched in the UK with a premium interior and sleek Kodo design. The 2.0 SkyActiv-G petrol proved bulletproof, though the 2.2 diesel needed careful maintenance.

What changed for 2017

  • •UK launch of second-generation CX-5
  • •Premium interior rivaling German cars
  • •2.0 and 2.5 SkyActiv-G petrol engines
  • •Advanced safety equipment as standard

Common MOT watch-outs

  • !Folding mirror actuator failure
  • !Infotainment ghost touching
  • !Front brake rotor warping
3
Known Issues
0
Serious
2
Moderate
1
Minor

All Known Issues

LED Daytime Running Light Failure

ModerateElectrics & Electronics

The LED strips within the headlight units can flicker or fail completely, which is an MOT failure.

Est. Repair Cost: £600–£1,200 per headlight
Warning Signs:

Flickering DRL, One headlight looks dimmer than the other

What to Inspect:
  • Check the operation of all LED lights in the front units
Verified by IsItAGoodCar Research Team

Rear Brake Caliper Seizure

ModerateBrakes

The electronic parking brake mechanism on the rear calipers can seize, especially if the car is used on salted UK roads.

Est. Repair Cost: £300–£600
Warning Signs:

Burning smell after driving, Excessive heat from rear wheels, Car feels "held back"

What to Inspect:
  • Check the temperature of the rear wheels after a drive
  • Ensure the EPB releases smoothly
Verified by IsItAGoodCar Research Team

Folding Mirror Actuator Failure

MinorElectrics & Electronics

The plastic gears in the mirror motor strip, causing the mirrors to get stuck or make a clicking noise.

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

Mirror won't fold/unfold, Grinding noise

What to Inspect:
  • Fold and unfold the mirrors several times using the door switch
Verified by IsItAGoodCar Research Team

Buying Tips for 2017 Mazda CX-5 (KF)

  • ✓The 2.0 petrol is bulletproof but can feel slightly underpowered for a large SUV.
  • ✓Check the electric tailgate for smooth operation.
  • ✓Inspect the heads-up display (if fitted) for clarity.
2018–2019
Check a 2017 Mazda CX-5 (KF) by Registration