Reliability Guide

Common Problems with the
2016 Aston Martin DB11

The 2016 launch of the DB11 marked a new chapter for Aston Martin, debuting a fresh aluminium architecture and a new in-house 5.2-litre twin-turbo V12. It also introduced much-needed Mercedes-Benz electrical architecture, greatly improving reliability over older models.

What changed for 2016

  • Launch of a new platform replacing the long-running VH architecture.
  • Debut of the new 5.2-litre twin-turbo V12 engine producing 600bhp.

Common MOT watch-outs

  • !Tyre wear on the rear axle, particularly on the V12 models.
  • !Dashboard warning lights triggered by weak 12V batteries.
3
Known Issues
0
Serious
3
Moderate
0
Minor

All Known Issues

Battery-voltage and module warning faults

ModerateElectrics & Electronics

A weak 12V battery can trigger a "Christmas tree" of dashboard warnings.

Est. Repair Cost: £250–£600
Warning Signs:

Multiple warning lights on start-up, Slow cranking

What to Inspect:
  • Check battery age and conditioner use.
Verified by IsItAGoodCar Research Team

Coolant leaks from thermostat or water-pump area

ModerateCooling System

Both the V8 and V12 can develop leaks that become serious if ignored.

Est. Repair Cost: £400–£1,500
Warning Signs:

Sweet smell after a drive, Dropping coolant level

What to Inspect:
  • Inspect coolant level cold.
  • Look for staining near hoses.
Verified by IsItAGoodCar Research Team

Exhaust Valve Actuator Failure

ModerateEngine

The electronic exhaust valve actuators on the DB11 can fail, causing the car to go into a reduced power "limp" mode and preventing the engine from revving freely.

Est. Repair Cost: £1,000–£2,500
Warning Signs:

Car won't rev above 3000 RPM, Limp mode activation, Exhaust note changes or becomes muted, Check Engine Light

What to Inspect:
  • Test the car under hard acceleration
  • Listen for the exhaust note to change through the rev range
  • Scan for exhaust valve fault codes
Verified by IsItAGoodCar Research Team

Buying Tips for 2016 Aston Martin DB11

  • Check for coolant smells or staining around the front of the V12 engine, indicating thermostat or water pump leaks.
  • Ensure the car has been kept on a battery conditioner to avoid nuisance module warnings.