1976 300 D Light switch - Mercedes-Benz Forum

 
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post #1 of 5 (permalink) Old 09-27-2014, 08:40 AM Thread Starter
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Date registered: Jan 2014
Vehicle: 1976 300D
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1976 300 D Light switch

Can anyone tell me if it is possible to replace the main switch for the lights on a '76 300 D without removing the dashboard? I have someone coming today to take a look at it, I have the new switch and am looking to save time by doing it myself. The last person I asked this question to said it could be done by sitting in the front seat and going through the steering column, then prying the bezel apart.. But I think he was referring to the High/Low beams and turn signal. Did he misunderstand the question? Or is that all I will have to do to access this switch for the main headlights?

thanks for any answers here..
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post #2 of 5 (permalink) Old 09-27-2014, 12:22 PM Thread Starter
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Come on, where are all of the pros here? Someone ought to be able to say whether this can be done without taking the dash apart ot not. I wish I could get under there myself to take a look but I am handicapped now. I have this guy coming over to "take a look to see if he can replace it or not" and I don't want to be "taken for a ride" by him.
I just want to know what kind of labor time is involved here. I don't really know this mechanic and I was taken advantage "big time" by the last person who worked on my car. I generally have a good idea on most parts/labor as I have done a lot myself in the past. But now, trying to restore this classic using other people is driving me crazy.

Can someone please help me out and answer this for me? I'm asking about the main light switch that is on the dash, not the high/low switch. I Googled this before and Ehow replied that it could be done from the driver's seat but removing the two screws on the steering column and prying the bezel apart.. But, I thought he might have confused the question and thought I meant the high/low coupled with the turn signals.
Was Ehow right? Is this main switch also accessible (maybe in a pigtail) via the steering column? I never notice or needed this information before but I really do now. So, if anyone can help, again, I'd really appreciate it.

KP
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post #3 of 5 (permalink) Old 09-28-2014, 03:21 PM
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Hello,

If you are referring to the rotary switch that controls the headlights all you should need to do is: disconnect the battery, pull the knob off, unscrew the "nut" that was behind the knob, remove the kick panel under the dash, gently pull the switch down and begin swapping wires with the replacement switch. There will be two circular rows of wires and should have a rubber or plastic shroud that prevents the two rows of wires from touching each other. If you already have the replacement switch you will see what i mean.

Marc-Andre
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post #4 of 5 (permalink) Old 09-29-2014, 02:14 AM Thread Starter
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Thumbs up 1976 300 D Light switch

YES! Thank you so much, Marc-Andre, that is exactly what I meant! Not being able to get in there and take a look for myself, I knew it had to be easier than taking the whole dashboard off, as this guy was telling me he had to do.. Because of the "gentle" age of the car, I was afraid what cosmetic damage might occur as a result of doing something that drastic!

I really appreciate your help here.

KP
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post #5 of 5 (permalink) Old 09-29-2014, 04:33 PM
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I just dug out my service records for my 1970 250S, and it looks like I did this by removing the instrument cluster and just reaching in from the opening.

I also replaced the failed heater blower motor on that car, too. I still have scars on one hand to show for it....

Dan
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