Contents: Removal ↡ Installation ↡
Removal
1. Mark the direction of rotation of the wheel with an arrow on the sidewall of the tire.
2. Loosen the wheel mounting bolts. The car should stand on its wheels.
3. Jack up the rear of the car, place it on jack stands and remove the rear wheel.
4. Remove the brake drum, see the relevant chapter.
Attention! For A 190/A 210 vehicles, the rear brake disc is removed, see the relevant chapter.
5. Remove the protective cap from the hub nut using a puller or knock it off with an appropriate tool.
6. Bend back the cotter pin of the twelve-sided flange nut and unscrew the nut from the hub.
Warning! High tightening torque. Risk of injury.
7. Remove the flange together with the spacer washer from the cross beam tail (see illustration 7.9 in section "Brake system"). If necessary, remove the wheel hub by removing the retaining ring.
Installation
8. Install the wheel hub, if it was removed, and secure it with a new retaining ring.
9. Measure the length of the longitudinal arm journal from the end to the journal mating surface.
The nominal value is 62.5 mm. If the length is different, replace the journal with a new one. If the nominal value is met, install a spacer with a thickness of about 4 mm.
10. Place the cross beam tail flange with the spacer washer onto the longitudinal arm journal.
11. Screw on a new twelve-sided flanged hub nut and tighten it to 170 Nm.
Warning! High tightening torque. Risk of injury.
13. Install the protective cap on the rear wheel hub nut or tap it carefully with a hammer. Be sure to replace a damaged or loose cap with a new one.
14. Cars A 190 and A 210. Install the rear brake discs, see the relevant chapter.
15. Install the brake drum, see the relevant chapter.
16. Lubricate the centering seat of the wheel disk on the hub with a thin layer of grease. Do not lubricate the wheel mounting bolts. Replace rusted bolts with new ones. Observe the direction of rotation of the wheel.
17. Screw in the rear wheel mounting bolts and lower the car onto its wheels.
[Article was borrowed from the website: MERCEDESMAN.ru]
18. Tighten the wheel bolts in a crisscross pattern to 110 Nm.