2009 Mercedes S-Class Owner's Manual - Page 140

Controls in detail Instrument cluster Instrument cluster Introduction For a full view illustration of the instrument cluster, see "Instrument cluster" (Y page 30). Adjusting the instrument cluster illumination i The instrument cluster illumination is dimmed or brightened automatically to suit ambient light conditions. The instrument cluster illumination will also be adjusted automatically when you switch on the vehicle's exterior lamps. X 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 speed or outside temperature, warning/indicator lamps, malfunction/ warning messages or the failure of any systems. Driving characteristics may be impaired. If you must continue to drive, please do so with added caution. Contact an authorized Mercedes-Benz Center as soon as possible. 1 Reset button For information on changing the instrument cluster settings, e.g. the language, see (Y page 151). To brighten illumination: Turn reset button 1 clockwise until the desired level of illumination is reached. X To dim illumination: Turn reset button 1 counterclockwise until the desired level of illumination is reached. Activating the instrument cluster The instrument cluster is activated when you Ropen Coolant temperature indicator The coolant temperature indicator is located on the right side in the instrument cluster (Y page 30). a front door on the ignition on the exterior lamps reset button 1 Rswitch Rpress Rswitch G Warning! Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned. 138