2006 Mercedes S-Class Owner's Manual - Page 135

Controls in detail Lighting Switching on fog lamps Warning! i G In low ambient lighting or foggy conditions, only switch from position U to B with the vehicle at a standstill in a safe location. Switching from U to B will briefly switch off the headlamps. Doing so while driving in low ambient lighting conditions may result in an accident. Fog lamps cannot be switched on with exterior lamp switch in position U. For switching on the fog lamps, turn exterior lamp switch to position B. Switching on front fog lamps Switch on the low beam headlamps ( page 50). Pull out exterior lamp switch to first stop. The front fog lamps are switched on. The green indicator lamp ‡ in the lamp switch comes on ( page 131). Push in the exterior lamp switch. The front fog lamps are switched off. The green indicator lamp ‡ in the lamp switch goes out ( page 131). Switching on rear fog lamp (driver's side only) Switch on the front fog lamps ( page 134). Pull out exterior lamp switch to second stop. The rear fog lamp is switched on. The yellow indicator lamp † in the lamp switch comes on ( page 131). Push in the exterior lamp switch to first stop. The rear fog lamp is switched off. The green indicator lamp ‡ in the lamp switch goes out ( page 131). The front fog lamps remain lit. i Fog lamps will operate with the parking lamps and/or the low beam headlamps on. Fog lamps should only be used in conjunction with low beam headlamps. Consult your State or Province Motor Vehicle Regulations regarding permissible lamp operation. 134