Accumulator Failure (PCC II)
SeriousSuspension & ChassisThe nitrogen-filled hydraulic accumulators that manage roll and pitch eventually fail, leading to a harsh ride and suspension warnings.
Est. Repair Cost: £1,500–£2,200
Reliability GuideCommon Problems with the
Common Problems with the
2018 McLaren 720S / 765LT
We've identified 3 known issues that can affect the 2018 McLaren 720S / 765LT. 1 of these are serious faults that could be expensive to repair.
3
Known Issues
1
Serious
1
Moderate
1
Minor
All Known Issues
Stress Cracks in Gorilla Glass
ModerateBodywork & RustThe specialized lightweight glass used for the upper door sections and pillars can develop stress cracks.
Est. Repair Cost: £1,500–£3,000 per panel
Panel Alignment and Trim Gaps
MinorBodywork & RustEarlier production cars occasionally show inconsistent panel gaps, especially around the front trunk (frunk) and rear deck.
Est. Repair Cost: £500–£1,500 (Adjustment)
Buying Tips for 2018 McLaren 720S / 765LT
- ✓Check the Gorilla Glass roof panels and C-pillars for any stress cracks
- ✓Verify the ride quality is supple; a "bouncy" or harsh ride indicates failed accumulators
- ✓Ensure the active rear wing (Airbrake) operates smoothly through its full range of motion
- ✓Look for evidence of the latest software updates to the PCC II system