2010 Mercedes S-Class Owner's Manual - Page 508

506 Replacing bulbs RYour hands should be dry and free of oil and grease. RIf X 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 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. Insert the new bulb into bulb socket ;. X Insert bulb socket ;. Driver's side headlamp: Wire = is guided to the upper right. Passenger-side headlamp: Wire = is guided to the lower left. X Turn bulb socket ; clockwise. Handle ? of bulb socket ; is in a horizontal position. X Align housing cover : and turn it clockwise. Practical hints High-beam spot (vehicles with LED daytime running lamps) or infrared light (Night View Assist Plus) i To replace bulbs of the driver's side headlamp, the washer fluid reservoir in the engine compartment must be released. Have such work performed at an authorized Mercedes-Benz Center. Before you start to replace a bulb for a front lamp, do the following: X Switch off the ignition. X Turn the exterior lamp switch to position $. X Open the hood (Y page 404). High-beam spot (vehicles with halogen daytime running lamps) X X Turn housing cover : counterclockwise and remove it. X Turn bulb socket ; counterclockwise and pull it out. X Pull the bulb out of bulb socket ;. Turn housing cover : counterclockwise and remove it. X Turn bulb socket ; counterclockwise and pull it out. X Press both tabs to the left and right of bulb socket ; and pull the bulb out of bulb socket ;. X Insert and press the new bulb into bulb socket ; until it engages.