Tightening torques
For tightening torques, also refer to the various 'exploded views' in the procedures.Replace self-locking bolts or nuts.
SUSPENSION - FRONT AXLE
Suspension element nuts on the upright:
- 1st pass: 12.
- 2nd stage: 90°.
Upper suspension element mounting bolt on body:
- 1st pass: 2.
- 2nd pass: 45°.
Driveshaft flanged nut:
- 1st pass: 10.
- 2nd pass: 60°.
Driveshaft bolt (*):
- 1st pass: 8.
- 2nd stage: 90°.
Lower ball joint nut on lower control arm (*): 5.5.
Lower ball joint nut on upright (*):
- 1st pass: 5.
- 2nd pass: 60°.
Damper rod mounting nut (*): 6.7.
Anti-roll bar bolt to subframe: 2.8.
Anti-roll bar link nuts (*): 6.
Radiator support to subframe: 4.
Front alignment adjustment locknut: 6.
Lower control arm to subframe:
- 1st pass: 12.
- 2nd stage: 90°.
Subframe mounting bolt: 13.
Speed sensor on upright: 0.6.
Wheel bolts: 13.
SUSPENSION - REAR AXLE
Damper mounting nut to body: 2.
Damper mounting nut to rear axle (*): 5.
Rear anti-roll bar bolt to body (*): 2.8.
Anti-roll bar link mounting (*): 4.
Original rear axle center bearing bolt to body (*):
- 1st stage: 20.
- 2nd pass: loosen.
- 3rd pass: 22.
- 4th stage: 90°.
- Check torque: 23.
Rear axle center bearing repair bolt to body (*):
- 1st stage: 20.
- 2nd pass: loosen.
- 3rd pass: 15.
- 4th pass: 180°.
- Check torque: 25.
Rear axle coupling bearing bolt to body (*):
- 1st pass: 6.
- 2nd pass: loosen.
- 3rd pass: 8.
Tie rod nut on coupling bearing:
- 1st pass: 4.
- 2nd pass: loosen.
- 3rd pass: 3.
- 4th pass: 80°.
Tie rod nut on rear axle: 8.
Hub bolt (*):
- 1st pass: 8.
- 2nd pass: loosen.
- 3rd pass: 12.
Wheel bolts: 13.
(*) Bolts or nuts to be replaced after each removal.
Test yourself
A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.