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.
Most affected: All Super Series models
Estimated cost: £1,500–£2,200Affects: 2017–2023Often appears around: 15k-30k miles
Typical symptoms
- •Suspension Fault warning
- •Excessively bouncy or harsh ride
- •Power steering pump whining
What to inspect before you buy
- ✓Drive the car over a series of small bumps at moderate speed
- ✓Listen for hydraulic pump strain when selecting lifting modes