Driving and operating 169press button b briefly to deactivateTC, k illuminates. Deactivation isdisplayed as status message in theDriver Information Centre.Control indicator k illuminates.TC is reactivated by pressing the bbutton again.TC is also reactivated the next timethe ignition is switched on.Electronic Stability ControlElectronic Stability Control (ESC)improves driving stability whennecessary, regardless of the type ofroad surface or tyre grip. It alsoprevents the drive wheels fromspinning. ESC operates incombination with the Traction Controlsystem (TC) 3 168.As soon as the vehicle starts toswerve (understeer/oversteer),engine output is reduced and thewheels are braked individually. Thisconsiderably improves the drivingstability of the vehicle on slippery roadsurfaces.ESC is operational as soon as thecontrol indicator b extinguishes.When ESC operates, control indicatorb flashes.9 WarningDo not let this special safetyfeature tempt you into taking riskswhen driving.Adapt speed to the roadconditions.Control indicator b 3 107.DeactivationFor a more sporty behaviour ESC andTC can be deactivated separately:■ press button b briefly: only Tractioncontrol system is inactive, ESCremains active, k illuminates■ hold button b pressed for min.5 seconds: TC and ESC aredeactivated, k and n illuminate.
