2003 Mercedes CL-Class Owner's Manual - Page 115

Controls in detail Instrument cluster Coolant temperature gauge Warning! 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. Tachometer The red marking on the tachometer denotes excessive engine speed. G 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 engine 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 it cools down. ! Avoid driving at excessive engine speeds, as it may result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. To help protect the engine, the fuel supply is interrupted if the engine is operated within the red marking. CL 55 AMG The tachometer of the CL 55 AMG does not have a red marking denoting excessive engine speed. To help protect the engine, the fuel supply is interrupted if the engine is operated at an excessive engine speed. i Excessive coolant temperatures trigger a warning in the multifunction display ( page 278). Trip odometer Make sure you are viewing the trip odometer display. Press button è or ÿ on the multifunction steering wheel repeatedly until the trip odometer appears if it is not displayed ( page 117). Press and hold the reset button J ( page 22) in the instrument cluster until the trip odometer is reset. During severe operating conditions and stop-and-go city traffic, the coolant temperature may rise close to 248° F (120°C), i.e. close to the red zone of the coolant temperature gauge. 115