2010 Mercedes C-Class Owner's Manual - Page 118

116 Instrument cluster Deactivating manual shift program X Transfer case This section applies to vehicles equipped with all-wheel drive (4MATIC) only. Both the front and rear axles are powered at all times when the vehicle is being operated. Vehicles with dynamic handling package: Press the program mode selector switch once more. The last selected automatic program mode C or S appears in the multifunction display. or Controls in detail X Restart the engine. The automatic transmission will go to the last selected automatic program mode (C or S). X C 63 AMG: Press the program mode selector switch repeatedly until C or S appears in the multifunction display. or X Restart the engine. The automatic transmission will go to automatic program mode (C or S). Manual program mode M is not stored. ! Only conduct operational or performance tests on a two-axle dynamometer. If such tests are necessary, contact an authorized Mercedes-Benz Center. You could otherwise seriously damage the brake system or the transfer case which is not covered by the Mercedes-Benz Limited Warranty. ! Because the ESP® operates automatically, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO start/stop button in position 0 or 1) when the parking brake is being tested on a brake test dynamometer. Active braking action through the ESP® may otherwise seriously damage the brake system which is not covered by the Mercedes-Benz Limited Warranty. Instrument cluster Introduction For a full view illustration of the instrument cluster, see "Instrument cluster" (Y page 28). Emergency operation (limp-home mode) If vehicle acceleration becomes less responsive or sluggish or the automatic transmission no longer shifts, the automatic transmission is most likely operating in limphome (emergency operation) mode. In this mode only second gear and reverse gear R can be selected. X Stop the vehicle in a safe location. X Shift the automatic transmission into park position P. X Turn off the engine. X Wait at least 10 seconds before restarting. X Restart the engine. X Shift the automatic transmission into drive position D (for second gear) or reverse gear R. X Have the automatic transmission checked at an authorized Mercedes-Benz Center as soon as possible. G Warning! No messages will be displayed if either the instrument cluster or the multifunction display is inoperative. As a result, you will not be able to see information about your driving conditions, such as Rspeed Routside temperature lamps Rwarning/indicator