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  #1  
Old 10-15-2013, 11:27 AM
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W123 Dome light?

Are either the front or rear dome lights supposed to come on when a door is opened? On my 85 300d, it looks like the rear dome light is just operated by the rear doors, and the manual switch. The front light only comes on if I turn it on. Is this correct?

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1985 300D 296,000 miles - Project "Rusty" 1/4 mile in 19.9 sec @ 71mph. It's almost rust free and water proof!

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  #2  
Old 10-15-2013, 11:51 AM
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There should be a black switch that allows you to leave it off at all times, turn it on while sitting inside the car with the doors closed, or turn it on when the door opens if I'm not mistaken.
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  #3  
Old 10-15-2013, 11:52 AM
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no.
the front light if the wheel is rotated all the way forward should turn on when the front doors are opened.
the rear is acting normal.
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"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
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  #4  
Old 10-15-2013, 03:58 PM
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^^+1

Since you have an '85 why not upgrade to the dome light with map light too.

Only '83 to '85 can fit them as the visor panel has the correct size for the updated light assembly.
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  #5  
Old 10-15-2013, 04:10 PM
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I will have to look into it a little more. I did a continuity test on the door switches and they were all good. I haven't seen the map light option - would be nice.
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1985 300D 296,000 miles - Project "Rusty" 1/4 mile in 19.9 sec @ 71mph. It's almost rust free and water proof!

2006 Dodge/Cummins 6-Speed - 670HP 1159ft/lbs
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  #6  
Old 10-15-2013, 05:54 PM
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On my 85, the light does not come on when the doors are opened. It used to, but it no longer does. Light does come on if I switch in on manually.

No idea of what changed or how to troubleshoot it.
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  #7  
Old 10-16-2013, 12:01 AM
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Quote:
Originally Posted by MBeige View Post
^^+1

Since you have an '85 why not upgrade to the dome light with map light too.

Only '83 to '85 can fit them as the visor panel has the correct size for the updated light assembly.
Sorry if I am being thick here... but map light out of what?

Tks
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2002 e320 4matic estate│1985 300d│1980 300td
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  #8  
Old 10-16-2013, 07:45 AM
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Quote:
Originally Posted by Zacharias View Post
Sorry if I am being thick here... but map light out of what?

Tks
out of an 86+ 124 or 126
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #9  
Old 10-16-2013, 08:09 AM
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So have you tried all positions of the dome light switch with doors both opened and closed?
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  #10  
Old 10-16-2013, 03:22 PM
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^^^ what he said, for the first question.

Second question/observation, you just had bodywork done on that car, right? Bodyshops and electrical don't tend to mix well.

Did the shop spray over the door swtiches?

If they did work in the general area there (the switch isn't far from one of the usual rust pocket areas) they may have severed wire(s) or unplugged the switch.

Everything else working normally?
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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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  #11  
Old 10-16-2013, 06:43 PM
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Quote:
Originally Posted by MBeige View Post
^^+1

Since you have an '85 why not upgrade to the dome light with map light too.

Only '83 to '85 can fit them as the visor panel has the correct size for the updated light assembly.
Hey there MBeige, do you have a photo of this?

Thanks,

Packman
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  #12  
Old 10-16-2013, 11:08 PM
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P/N 0008209301 (ignore the autodim mirror)

Factory light with no map light below:
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  #13  
Old 10-17-2013, 01:28 PM
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That's cool!

So, is it correct that this dome light (WITH the map light feature), was in

Mercedes W201, 190 E, 190 D Front dome light 0008209301 ?

Thanks,

Packman
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  #14  
Old 10-17-2013, 02:59 PM
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My 123 had a broken piece of plastic in the wheel that prevented the contact from hitting the circuit board properly. Yes there is a circuit board in there, it runs the auto dim-out feature.

Door switches connect to ground so they should be ohm checked to ground at the connector (TK) at the light. TK means Tur Kontakt or Door Switch.
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  #15  
Old 10-17-2013, 03:48 PM
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I have a spare dome with reading light i think if anyone is interested. You can find them most often in 1st gen 126's.

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