2010 Mercedes GLK-Class Owner's Manual - Page 310
2010 Mercedes GLK-Class Manual
Page 310 highlights
308 Replacing bulbs Corner-illuminating lamps bulb (BiXenon headlamps only) Turn signal and side marker lamps Practical hints X Turn housing cover : counterclockwise and remove it. X Press handle ; in direction of the arrow until the bulb socket is released. X Pull out the bulb socket using handle ;. X X Gently press the new bulb into bulb socket. Lamp pin = must point up. X Insert bulb socket. X Pull bulb socket handle ; until the bulb socket engages. X Align housing cover : and turn it clockwise. X Driver's side only: Fix the washer fluid reservoir (Y page 306). X Install the cover above the headlamp (Y page 306). Turn bulb socket : or ; counterclockwise and pull it out together with the bulb. X Turn signal lamp bulb PY 21 W: Press the bulb in slightly and turn it counterclockwise. Pull it out of bulb socket ;. X Insert new bulb into bulb socket ;. Press the bulb in slightly and turn it clockwise. X Turn signal and side marker lamp bulb WY 5 W: Pull the bulb out of bulb socket :. X Insert the new bulb into bulb socket :. X Insert bulb socket ; or :. X Turn bulb socket ; or : clockwise until it engages. X Driver's side only: Fix the washer fluid reservoir (Y page 306). X Install the cover above the headlamp (Y page 306). Replacing bulbs for rear lamps Before you start to replace a bulb for a rear lamp, do the following: X X Switch off the ignition. Turn the exterior lamp switch to position $. X Open the tailgate.