I think you'll want to hit up the SL forum, although I'm not sure if SLKs are welcomed into that family or not. But you could certainly post on the general Tech Help section if you don't find enough response on the SL-specific forum. And of course in the general discussion all cars are fair game.

Welcome to the neighborhood.

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1987 300D, arctic white/palomino--314,000 miles
1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles
2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles
2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles
1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles
1995 S320, black/parchment--34,000 miles (Dad's car)