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Driving and operating 151 Enhanced Traction function If necessary, in the event of soft ground, mud or snow-covered road surfaces, ESP® Plus can be deactivated to enhance traction: Control indicator Ø illuminates in the instrument cluster and a corresponding message appears in the Driver Information Centre 3 102. 50 km/h, the system switches automatically from Enhanced Traction function to ESP® Plus operation. Control indicator Ø extinguishes in the instrument cluster. Plus is reactivated by pressing Ø again. Control indicator Ø extinguishes. Plus is also reactivated the next time the ignition is switched on. Engine Drag Torque Control The engine drag torque control system is an integral feature of ESP® Plus . When downshifting under slippery road conditions, the engine speed and torque increases to help prevent locking of the drive wheels during sudden deceleration. Fault If the system detects a fault, control indicator b 3 99 illuminates together with F 3 98 in the instrument cluster and a corresponding message appears in the Driver Information Centre 3 102. (ESP® Plus ) is not operational. Have the cause of the fault remedied by a workshop. |