I thought I'd start this thread to complete the bulbs in our cars. Some sites list which types go where but they're all not accurate, as some of you have experienced.
As per the owner's manual:
http://www.foro.pieldetoro.net/web/MERCEDES/detalle2.php?ID_FOTO=1388&MANUAL=14
http://www.pruebas.pieldetoro.net/w...200D-240D-300D-UK/W123 200D_240D_300D-080.jpg
Exterior Lamps
Head lamp: H4/9003 (or sealed beams...H6024)
Fog lamp: H3
Front turn signal lamp: 21W dual element 7528 (nickel base)/1157 (brass base)
*note* European version will have 21W single element 7506 with different socket for single filament bulb (see below)
Rear turn signal lamp: 21W single element 7506
Rear park/standing light: 10W round dome glass 5008
Brake/stop lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Reverse lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Rear fog lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Rear side marker (US version only): 4W small bulb single element 3893
License plate lamp: 5W festoon bulb 6418
Interior Lamps
Instrument cluster illumination: 3W peanut bulb 2821 (x2)
Instrument cluster turn signal: 1.2W "rice grain" bulb 2721MF (x2)
Idiot lights on bottom of instrument cluster: 1.2W "rice grain" bulb 2721MF
Climate control bulbs: 1.2W "rice grain" bulb 2721 (lone bulb w/o base, x5)
*note* 5 bulbs for automatic climate control with horizontal pushbuttons
Ashtray bulb: 2W small bulb 3898 (x1)
PRNDSL shift gate: 4W small bulb, round glass 3893 (x1)
Glovebox lamp: 5W festoon lamp 6418 (x1)
Front dome light, main: 10W festoon lamp 6411 (x1)
Front dome light, map: 5W pointed tip small bulb 64111 (x1)
Rear dome light: 10W festoon lamp 6411 (x1)
Trunk lid: 10W festoon lamp 6411 (x1)
----------------------------------------------------------------------------------
All bulb images courtesy of AutohausAZ.
As per the owner's manual:
http://www.foro.pieldetoro.net/web/MERCEDES/detalle2.php?ID_FOTO=1388&MANUAL=14
http://www.pruebas.pieldetoro.net/w...200D-240D-300D-UK/W123 200D_240D_300D-080.jpg
Exterior Lamps
Head lamp: H4/9003 (or sealed beams...H6024)
Fog lamp: H3
Front turn signal lamp: 21W dual element 7528 (nickel base)/1157 (brass base)
*note* European version will have 21W single element 7506 with different socket for single filament bulb (see below)
Rear turn signal lamp: 21W single element 7506
Rear park/standing light: 10W round dome glass 5008
Brake/stop lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Reverse lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Rear fog lamp: 21W single element 7506 (nickel base)/1156 (brass base)
Rear side marker (US version only): 4W small bulb single element 3893
License plate lamp: 5W festoon bulb 6418
Interior Lamps
Instrument cluster illumination: 3W peanut bulb 2821 (x2)
Instrument cluster turn signal: 1.2W "rice grain" bulb 2721MF (x2)
Idiot lights on bottom of instrument cluster: 1.2W "rice grain" bulb 2721MF
Climate control bulbs: 1.2W "rice grain" bulb 2721 (lone bulb w/o base, x5)
*note* 5 bulbs for automatic climate control with horizontal pushbuttons
Ashtray bulb: 2W small bulb 3898 (x1)
PRNDSL shift gate: 4W small bulb, round glass 3893 (x1)
Glovebox lamp: 5W festoon lamp 6418 (x1)
Front dome light, main: 10W festoon lamp 6411 (x1)
Front dome light, map: 5W pointed tip small bulb 64111 (x1)
Rear dome light: 10W festoon lamp 6411 (x1)
Trunk lid: 10W festoon lamp 6411 (x1)
----------------------------------------------------------------------------------
All bulb images courtesy of AutohausAZ.