W126

85 300SD Aux Fan will not turn on when pressure is high

I have been experiencing a couple of problems with the AC. One was the compressor clutch "cooked itself" resulting in it being replaced. After it was replaced I noticed the aux fan was not ever coming on and the clutch still has moments where it is not completely engaging and is partially engaged resulting in it heating up. I have troubleshot the aux fan down to the resistor used for a slower aux fan speed. It appears to be open and should be replaced. Could the failing of the aux fan cause the slipping of the clutch and how difficult is it to replace the resistor?

Thanks

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1984 126 300SD Courtesy Dome light misbehaving

Hey guys,

My dome light (one right above the rear-view mirror) will not come on (in any of the positions) when the doors are opened in the car. The door lights that are on the bottom of the doors do operate as expected so I suspect the switches that detect the open door are working. I can turn the light on by rolling the knob to the "on" opsition. Is it safe to assume that the platic light assembly needs to be replaced? Can I clean the contacts? Is it two different bulbs?

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1981 300SD alternative air intake

Many of us with older turbodiesels are just plain tired of having to replace the air cleaner bracket, and especially the mounts that hold the air cleaner in place. I've found a possible alternative that COMPLETELY REPLACES THE ENGINE MOUNTED FILTER HOUSING AND BRACKET with a K&N filter on the end of an intake tube attached directly to the turbo inlet.

The rules prevent me from including a link to another website, but I suppose the rules do not prevent stating the other source. It's Wade Performance Products.

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1983 300SD Sunroof for 126

The sunroof has worked just fine for the 5 years I've owned my 300SD, but two days ago the sunroof began to malfunction. It opens just fine, but now when it closes, the rear portion no longer jumps back up to make a flush seal with the roof.

Some other boards suggested that a plastic guide channel or rail may be damaged, but I don't know as of yet.

Please help!

-Jeff

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