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The oil filter cap wrench required is 76mm 14p (sometimes called 14 flutes), the number of flat edges around the oil filter cap). Fronts are 205 55 16 (7j x16) and rears 225 50 16 (8jx16) on 230k. The computer interface is 38 pin and located above the box just near the battery. SLK stands for spory, light and short in German. It is really short at just around 4000mm's. Benzworld is a great place to learn. I will add the others soon.
Levent Guner