2010 Mercedes GL-Class Owner's Manual - Page 335
2010 Mercedes GL-Class Manual
Page 335 highlights
Replacing bulbs X 333 Insert a suitable object such as a coin into the slot of lock :. X Turn lock : by 90° in direction of the arrow. X Remove cover ;. Replacing bulbs License plate lamps Example illustration: LED rear lamp driver's side : Backup lamp bulb socket ; Rear fog lamp bulb socket (driver's side only) X Adjusting headlamp aim Depending on which bulb needs to be replaced, turn the respective bulb socket counterclockwise. X Pull the bulb socket out of the housing. X Backup lamp bulb :: Gently press onto the bulb and turn it counterclockwise out of its bulb socket. X Gently press the new bulb into its bulb socket and turn it clockwise until it engages. X Rear fog lamp bulb ;: Pull the bulb out of its bulb socket. X Gently press the new bulb into its bulb socket. X Align the bulb socket and turn it clockwise. X Make sure the bulb socket is attached properly. X Close the respective cover in the cargo compartment. X Close the tailgate. : V Vertical centerline ; H Horizontal mounting height, measured from the center Z Practical hints X Loosen screws : of lamp cover to be removed. X Remove lamp cover ;. X Replace the bulb. X Reinstall lamp cover ;. X Retighten screws :.