Mercedes-Benz GL-Class X166 (12-15) bulb types
Low Beam Headlight Lamp : H7
High Beam Headlight Lamp : H7
Front Tail Lamp : W5W
Front Turn-signal Lamp : PY24W
Stop Lamp : P21W
Back-up Lamp : W16W
Front Room Lamp +W5W
Mercedes-Benz GL-Class X164 (06-12) bulb types
Low Beam Headlight Lamp : H7
High Beam Headlight Lamp : H7
Front Tail Lamp : W5W
Front Fog Lamp : H11
Front Turn-signal Lamp : PY21W
Rear Turn-signal Lamp : PY21W
Stop Lamp : P21W
Back-up Lamp : P21W
Licence Plate Lamp : C5W
Room Lamp : W5W
Front Room Lamp +W5W