IsItAGoodCar
Reliability Guide

Common Problems with the
2016 Bentley Mulsanne

The final year of Mulsanne production before discontinuation. These last cars are the most refined and best-maintained, with all accumulated improvements applied. The Mulsanne is now a highly collectible modern classic.

What changed for 2016

  • •Final production year
  • •All accumulated improvements applied
  • •Limited availability of low-mileage examples

Common MOT watch-outs

  • !Age-related condensation in lights
  • !Brake disc corrosion from low mileage
  • !Battery drain from electronics
3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

Power Steering Pump Failure

SeriousSteering

The hydraulic steering pump can fail, leading to heavy steering or noisy operation.

Est. Repair Cost: £1,800–£3,000
Warning Signs:

Stiff steering, Whining/Groaning noise when turning, Fluid leaks

What to Inspect:
  • Listen for noise when turning the wheel from lock to lock while stationary
Verified by IsItAGoodCar Research Team

6.75L V8 Turbo Oil Feed Line Leaks

SeriousEngine

The legendary 6.75-litre V8 uses turbo oil feed lines that can develop leaks as they age, leading to oil consumption, potential turbo damage, and in severe cases engine bay fires if oil contacts hot exhaust components.

Est. Repair Cost: £1,500–£4,000
Warning Signs:

Oil smell after driving, Visible oil residue around turbo area, Oil pressure warnings, Smoke from engine bay

What to Inspect:
  • Inspect turbo oil feed and return lines for seepage
  • Check for oil residue in the engine bay
  • Ask for history of turbo-related work
Verified by IsItAGoodCar Research Team

Coolant Expansion Tank Leaks

ModerateCooling System

The plastic expansion tanks can crack or the seals can fail, leading to slow coolant loss.

Est. Repair Cost: £400–£800
Warning Signs:

Low coolant warning, Sweet smell of antifreeze, White residue on the tank

What to Inspect:
  • Visually inspect the expansion tank for hairline cracks or pink/orange residue
Verified by IsItAGoodCar Research Team

Buying Tips for 2016 Bentley Mulsanne

  • ✓The 2016 models are the most desirable Mulsanne variants
  • ✓Check for evidence of garage storage and low mileage
  • ✓Verify all electrics work correctly