2011 Mercedes SL-Class Owner's Manual - Page 114

112 Instrument cluster As a result, you will not be able to see information about your driving conditions, such as Rspeed Routside Adjusting the instrument cluster illumination Use reset button : to adjust the illumination brightness for the instrument cluster and the switches on the center console. X To brighten illumination: Turn reset button : clockwise until the desired level of illumination is reached. X To dim illumination: Turn reset button : counterclockwise until the desired level of illumination is reached. temperature lamps messages Rwarning/indicator Controls in detail Rmalfunction/warning Rfailure of any systems Driving characteristics may be impaired. If you must continue to drive, do so with added caution. Contact an authorized MercedesBenz Center as soon as possible. i The instrument cluster illumination is dimmed or brightened automatically to suit ambient light conditions. Coolant temperature gauge The coolant temperature gauge is located on the left side in the instrument cluster (Y page 30). G Warning! : Reset button For information on changing the instrument cluster settings, e.g. the language, see (Y page 122). Activating the instrument cluster The instrument cluster is activated when you Ropen a door on the ignition on the exterior lamps reset button : 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. Steam from an overheated engine can cause serious burns which can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it. Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down. Rswitch Rpress Rswitch During severe operating conditions, e.g. stopand-go traffic, the coolant temperature may rise close to 248‡ (120†). i Opening a door activates the instrument cluster illumination only for about 30 seconds. ! Excessive coolant temperature triggers a warning in the multifunction display and the red coolant temperature warning lamp ? in the instrument cluster comes on. The engine should not be operated with a coolant temperature above 248‡ (120†).