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Torque Specifications

TORQUE SPECIFICATIONS(1)

Application Ft. Lbs. (N.m)
Flexible Coupling (Allen Bolt) 18 (24)
Steering Shaft Coupling Bolts
Except E320 & E430 22 (30)
E320 & E430 15 (20)
Steering Tube-To-Body
Lower Nut
C230, C280, E320, E420 & E430 (2)
S320, S420, S500, SL320 & SL500 15 (20)
Upper Bolts 15 (20)
Steering Wheel Hub Bolt 59 (80)
Steering Shaft Coupling Bolts 18 (24)
INCH Lbs. (N.m) 
Air Bag Module Bolts 44 (5)
Column Support Mounting Bracket Bolts 84 (10)
(1) Torque specifications for all models are not available from manufacturer.
(2) Tighten nuts to 71 INCH lbs.(8 N.m).