Reliability Guide

Common Problems with the
2015 Mazda CX-5 (KE)

By 2015 the KE CX-5 had established itself as one of the most engaging and practical family SUVs. The facelift brought updated styling while retaining the proven mechanicals.

What changed for 2015

  • •Mid-cycle facelift with revised styling
  • •Updated infotainment system
  • •All early issues addressed
  • •Strong used values reflecting driver appeal

Common MOT watch-outs

  • !Diesel carbon buildup in intake manifold
  • !Infotainment ghost touching
  • !Paint showing stone chips
2
Known Issues
1
Serious
1
Moderate
0
Minor

All Known Issues

2.2 SkyActiv-D Oil Dilution

SeriousEngine

Fuel enters the oil during aborted DPF regens. If the oil level rises too high, it can destroy the engine.

Est. Repair Cost: £500–£4,000
Warning Signs:

Rising oil level on dipstick, DPF warning lights, Limp mode

What to Inspect:
  • Pull the dipstick; if the oil is above the "X" mark, avoid the car
Verified by IsItAGoodCar Research Team

Exhaust Pressure Sensor Failure

ModerateExhaust & Emissions

A common failure on the 2.2D that triggers limp mode and multiple warning lights.

Est. Repair Cost: £200–£400
Warning Signs:

Limp mode, Engine management light, DPF warning lights

What to Inspect:
  • Check for diagnostic codes related to exhaust pressure
Verified by IsItAGoodCar Research Team

Buying Tips for 2015 Mazda CX-5 (KE)

  • ✓The 2.2 diesel is high risk for camshaft wear on pre-2014 models.
  • ✓Check for vibrating wing mirror glass at high speeds.
  • ✓Verify the condition of the leather seats, as the bolsters can wear prematurely.