2004 Mercedes S-Class Owner's Manual - Page 133

Controls in detail Instrument cluster Coolant temperature gauge i Trip odometer Make sure you are viewing the trip odometer display. If it is not displayed, press the è or ÿ button on the multifunction steering wheel repeatedly until the trip odometer appears ( page 134). Press and hold reset button on the instrument cluster ( page 22) until the trip odometer is reset. Warning! G Excessive coolant temperature triggers a warning in the multifunction display ( page 323). During severe operating conditions, e.g. stop-and-go traffic, the coolant temperature may rise close to 248°F (120°C), i.e. close to the red zone of the temperature gauge. The engine should not be operated with the coolant temperature above 248°F (120°C), i.e. in the red zone of the coolant temperature gauge. Doing so may cause serious engine damage which is not covered by the Mercedes-Benz Limited Warranty. Driving when your engine is badly 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 and can occur just by opening the hood. Stay away from the engine if you see or hear steam coming from it. Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down. 132