Years of funk, eh?

I actually took the insane route, and stripped the interior of the car to clean everything. Stiff toothbrushes, terrycloth towels and Murphy's Oil Soap works pretty well, and won't harm the finish of anything. Dawn dish soap also works well on parts you can actually saturate with water. Unfortunately, there's not a quick solution if the dirt is really ground in. Mercedes seem to be full of textured panels that hold dirt like nothing else I've ever seen. The MB-Tex on the seats was insane. Scrubbing in small circles with a toothbrush was the only way to loosen the dirt. In the end, I still had to strip the upholstery off and actually hosed the loose grime away with running water. I scrubbed, rinsed, and repeated until there was no more dirt left. The driver side seat upholstery took four hours of cleaning alone.

The only spots where I found Magic Erasers to be useful was the headliner and door jambs. I used up three of them cleaning just the headliner.

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- K.C.Adams

'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

Current status:
* Undergoing body work

My '77 300D progress thread