600SEL (140.057) V12-6.0L (120.980) (1993)
10. Examine teflon ring (81) and O-ring (80) in the steering housing, replace, if necessary.
11. Unscrew inner slotted round nut (23) from the bearing insert with the pronged wrench 140 589 03 07 00.
12. Unscrew bearing insert (17) from the steering shaft/bearing cover (12) with the pin wrench 140 589 04 07 00.
13. Withdraw steering shaft (13) from the steering shaft/bearing cover; take the needle bearings (82) and the disc (22) off the steering shaft. Examine
steering shaft, balls, needle bearings and bearing surfaces for signs of damage and wear.