Cost for seal replacements on 1992 Mercedes-Benz 300E

How much should I expect to pay for rear axle seal replacement and front crankshaft seal replacement?

2 answers
how much is it to replace worn seals on a differential
ONe Axle seal or a complete reseal of the differential? Complete reseal would be 4.5 hours plus parts. Front crankshaft seal would guess at about 2-2.5 hours labor plus parts.