2010 Mercedes C-Class Owner's Manual - Page 317

Replacing bulbs G Observe Safety notes, see page 313. ROnly use 12-volt bulbs of the same type and with the specified watt rating. RSwitch the lights off before changing a bulb to prevent short circuits. RAlways use a clean lint-free cloth when handling bulbs. RYour hands should be dry and free of oil and grease. RIf the newly installed bulb does not come on, contact an authorized Mercedes-Benz Center. i Mercedes-Benz recommends using Longlife (LL) bulbs. Replacing bulbs for front lamps X X X 315 Front turn signal lamp bulb Switch off the ignition. Turn the exterior lamp switch to position $. X Open the hood (Y page 224). G Warning! Do not remove the cover for the Bi-Xenon headlamp. Because of high voltage in Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its components. It is recommended to have such work done by a qualified technician. X Low-beam bulb (halogen headlamps only) Turn bulb socket = with handle ; counterclockwise and remove it. X Pull bulb out of bulb socket =. X Gently press the new bulb into bulb socket = until the bulb engages. X Place bulb socket = back into the housing. Handle ; must be in a horizontal line and mark : must be on the upper part (driver's side headlamp) or lower part (passengerside headlamp). X Turn bulb socket = clockwise until it engages. Z Practical hints Turn housing cover : counterclockwise and remove it. X Pull electric plug ; off the bulb ?. X Remove wire clip = from bulb holder by pushing down and release from arrestor hook. X Pull bulb ? at its socket out of bulb holder. X Insert the new bulb so that its socket locates in the recess of bulb holder and is level to it. X Fold wire clip = back and press it down on bulb holder to engage it in the arrestor hook. X Connect electric plug ; on bulb ?. X Align housing cover and turn it clockwise.