140 Driving and operatingRide control systemsTraction Control systemThe Traction Control system (TC) is acomponent part of the ElectronicStability Program (ESP®Plus) whichimproves driving stability whennecessary, regardless of the type ofroad surface or tyre grip, bypreventing the drive wheels fromspinning.As soon as the drive wheels starts tospin, engine output is reduced andthe wheel spinning the most is brakedindividually. This considerablyimproves the driving stability of thevehicle on slippery road surfaces.TC is operational as soon as theignition is switched on and controlindicator b extinguishes in theinstrument cluster. A correspondingmessage also appears in the DriverInformation Centre (DIC) 3 92.When TC is active b flashes.9 WarningDo not let this special safetyfeature tempt you into taking riskswhen driving.Adapt speed to the roadconditions.Control indicator b 3 89.Trailer stability assist (TSA) 3 155.Enhanced Traction functionIf necessary, in the event of softground, mud or snow-covered roadsurfaces, the Traction control system(TC) can be deactivated to enhancetraction:Press Ø on the instrument panel.Control indicator Ø illuminates in theinstrument cluster and acorresponding message appears inthe DIC 3 92.When vehicle speed reaches30 mph, the system switchesautomatically from EnhancedTraction function to TC operation.Control indicator Ø extinguishes inthe instrument cluster.
