2009 Mercedes CLK-Class Owner's Manual - Page 306

Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence AUTO-Light Inoperative The light sensor is malfunctioning. The headlamps come on automatically. Possible solution X . Contact an authorized Mercedes-Benz Center as soon as possible. To switch off the headlamps (U.S. vehicles only): X In the control system, set daytime running lamp mode to manual (Y page 136). X Switch off the headlamps using the exterior lamp switch (Y page 95). ... Low Beam Left or Low Beam Right Rear Foglamp Auxiliary Bulb On Switch Off Lights The left or right low-beam lamp is malfunctioning. X Halogen headlamp: Replace the bulb as soon as possible (Y page 332). X Bi-Xenon headlamp: Contact an authorized Mercedes-Benz Center as soon as possible. X The rear fog lamp is malfunctioning. A substitute bulb is being used. You have removed the SmartKey from the starter switch, opened the driver's door and left the headlamps on or removed the SmartKey with KEYLESS-GO from the vehicle and left the headlamps on. The exterior lamp switch is set to U and you have forgotten to remove the SmartKey from the starter switch. The parking lamps remain switched on. Replace the bulb as soon as possible (Y page 332). Turn the exterior lamp switch to M or U (Y page 95). X . Switch Off Lights Or Remove Key X Remove the SmartKey from the starter switch. Switch off the headlamps. or X 304