How to Turn On a Mercedes Benz C280 Fog Lamp

1. Turn your C280's engine on, or insert the key and turn it to "Acc."
2. Locate the main light switch to the left of the steering wheel (directly beneath the left air vent). Turn the switch left to turn on the parking lights or right to turn on the headlights (the fog lamps cannot be turned on by themselves).
3. Grasp the switch's handle and pull it towards you one notch to turn on the front fog lamps.
4. Pull the switch's handle two notches to turn on the front and rear fog lamps.