2011 Mercedes CL-Class Owner's Manual - Page 247

Exterior lighting Low-beam headlamps X X 245 To switch on the low-beam headlamps: turn the key in the ignition lock to position 2 or start the engine. X Turn the light switch to L. The T indicator lamp on the light switch lights up. Daytime running lamps Daytime running lamps in Canada The "daytime running lamps" function is required by law in Canada. It cannot therefore be deactivated. X Turn the light switch to $ or c. When the engine is on: depending on the ambient light, the daytime running lamps or the low-beam headlamps are switched on. When the low-beam headlamps are activated, the T indicator lamp on the light switch lights up. When the engine is running and the vehicle is stationary or if the electronic parking brake is applied: if you move the selector lever from a driving position to P, the daytime running lamps/low-beam headlamps go out after three minutes. When the engine is running, the vehicle is stationary and in high ambient light brightness: if you turn the light switch to T, you turn on the daytime running lamps and low-beam headlamps. If the engine is running and you turn the light switch to L, the manual settings take precedence over the daytime running lamps. Daytime running lamps in the USA In the USA, the daytime running lamps are deactivated upon delivery from the factory. To activate: activate the daytime running lamps function in the on-board computer (Y page 341). X Turn the light switch to $ or c. When the engine is on: depending on the ambient light, the daytime running lamps or the low-beam headlamps are switched on. When the low-beam headlamps are activated, the T indicator lamp on the light switch lights up. If the engine is running and you turn the light switch to T or L, the manual settings take precedence over the daytime running lamps. Automatic headlamps G Risk of accident If the light switch is set to c, the low-beam headlamps will not come on automatically if it is foggy. This could endanger you and others. Therefore, turn the light switch to L in fog. The automatic headlamp feature is only an aid. The driver is responsible for the vehicle's lighting at all times. G Risk of accident When it is dark or foggy, turn the light switch quickly from c to L. Otherwise, the headlamps could switch off temporarily and you could cause an accident. X To switch on automatic headlamp mode: turn the light switch to c. Key in position 1 in the ignition lock: the side lamps are switched on or off automatically depending on the brightness of the ambient light. With the engine running: depending on the brightness of the ambient light, the daytime running lamps12 or the side lamps and lowbeam headlamps are switched on or off automatically. 12 Only if daytime running lamps have been activated via the on-board computer. Z Lights and windshield wipers