OMG! I did my rear brakes in less than a 1/2 hour. Its crazy easy.
Remove Tire, knock out pins, squeeze back calipers, replace pads, install pins, install tires.. OK.. That's it in a nut shell.. But WOW.. Easiest pad change I've ever done.

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92 300D 2.5L OM602 OBK #59

That is good to know, I have a 1992 also.