Mercedes-Benz 603 Service Manual page 196

Note
The sealing ring for the repair crankshaft radial
seal is offset 3 mm toward the inside so that it
will not run in a groove left on the hub by the
standard crankshaft radial seal.
Standard crankshaft radial seal
B Repair crankshaft radial seal
Special tools
Renewal
1 Remove flywheel or flywheel and driven
plate (03-410).
2 Press crankshaft radial seal out of end cover
with screwdriver.
Do not damage crankshaft flange or end cover.
Cover crankshaft flange with rag.
03.10 - 32712
EXIT