W126 Heater Direction Knob Illumination Bulb

walshy66

Senior Member
Joined
Jul 6, 2008
Messages
104
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Location
Sunny Lancashire
Your Mercedes
S500 W140 1998
Does anyone know the spec , or part no as mines blown. Its the tiny push in filament bulb that illuminates (or should do if its working!) the heater direction knob on centre dash console. Looks like a 0.4w
And while on the subject of heating system, how does the car regulate the heater temp on the climate control?
Presume there's some motorised valves, but where are they please,as mine might be a little lazy, takes longer than i would expect for the temp to adjust after altering the heat settings in the car. Any help as always really appreciated
 
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