MB labor guide gives 3.4 for the V/G oil seals and 1.2 for the front flex disc only. Very few shops actually use those times as they are considered "warrantee" time and are based upon new vehicles. Our shop usually charges 4 hours and 2 hours respectively.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician