I understand that the bearings have a very specific torque requirement, you should definately look up the torque in the haynes manual or CD or call the dealer.

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1996 E320
2000 C230 Kompressor
1988 190e 2.3 - 225K miles, owned for 7 years. I cannot say enough good things about this car. Very well built, even at 225 it ran like new.