IsItAGoodCar
Reliability Guide

Common Problems with the
2017 Jaguar XJ (X350/X351)

We've identified 2 known issues that can affect the 2017 Jaguar XJ (X350/X351). 1 of these are serious faults that could be expensive to repair.

2
Known Issues
1
Serious
1
Moderate
0
Minor

All Known Issues

Air Suspension Failure

SeriousSuspension & Chassis

Air struts leak or the compressor fails to reach pressure, leaving the car "slammed" on its bump stops.

Est. Repair Cost: £400–£1,200
Warning Signs:

"Air Suspension Fault" message, Car sitting low on one or more corners after being parked, Harsh ride quality

What to Inspect:
  • Check how quickly the car rises from a cold start
  • Listen for a noisy compressor (located in the front bumper on X350)
Verified by IsItAGoodCar Research Team

Door Lock & Window Regulator Failures

ModerateBodywork & Rust

The door lock actuators and window regulators are common failure points on the X350. Lock failures can leave doors stuck in the double-locked position, while window regulators fail with the cable-driven mechanism snapping or the motor burning out.

Est. Repair Cost: £150–£400 per door
Warning Signs:

Door fails to lock or unlock, Window drops into the door panel, Window operates slowly or makes grinding noises

What to Inspect:
  • Test all door locks and windows from the driver's switch and key fob
  • Check that double-locking disengages correctly
Verified by IsItAGoodCar Research Team

Buying Tips for 2017 Jaguar XJ (X350/X351)

  • ✓On X350 models, look for "white powder" under the paint; this is aluminum corrosion (oxidization) and is common on rivets.
  • ✓On X351 models (2010+), check the sunroof for popping or creaking sounds—a common issue often requiring new subframe bolts.
  • ✓The 3.0D V6 (X351) is a powerhouse but check for any signs of crankshaft issues or oil dilution.
Check a 2017 Jaguar XJ (X350/X351) by Registration