1997 Mercedes SL 500 R129 Transmission output shaft seal replacement

This video walks through the complete process to replace the transmission output shaft seal on my 1997 Mercedes SL 500. This car has the M119 V8 with 722.6 5 speed auto transmission. The Mercedes parts needed for this repair are the following: 015-997-12-46 Automatic Transmission Extension Housing Seal 140-990-11-50 Bihexagonal Nut W Flange Additionally, you may find the drive shaft flex joints (2) require replacement due to the rubber cracking with age 222-411-01-15 Drive Shaft Flex Joint I purchased these tools to help me with this job Harbor freight seal puller 63039 1/2 inch impact gun (highly recommended for removing and installing output flange nut) 30mm 12 point socket (required for removing the output flange nut)