| 1. Mark a paint position of the front wheels with respect to the hub. With this balanced tire after removal is returned to the same position. Release the wheel bolts to lift the vehicle. Put the car in front on the stand and remove the front wheels. |
 | 2. Screw the brake disc to the wheel hub bolt (43a), by inserting it into the hole located opposite the mounting bolt (9k). |
| 3. Gently press the screwdriver brake pads from the brake disc. |
 | 4. Remove the hub cap (9e) with the help of a stripper (023) or bring down his mallet. |
 | 5. Check the gap by pulling and pressing the flange arms. Before each attempt to turn a little hub. |
6. The workshops axial clearance is measured with a device having a sensor as small displacements hour indicator. The sensor is mounted with the deepening of the measuring rod of 2 mm. Setpoint proper clearance is 0.01-0.02 mm.
A warning  In the course of a single measurement, giving a flange back and forth along the axis, the hub can not be rotated.
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 | 7. Loosen the bolt with the Allen (9i). |
| 8. Screw the slotted nut while rotating the hub as long as it can not be longer crank. Then release the nut 1/3 turn and hit a plastic hammer on the axis (5a) to loosen the tension. Measure the clearance. |
| 9. If necessary, repeat the installation gap. From Mercedes prescribes the installation of the gap with the help of time indicator. However, in practice (when there is no indicator) clearance is correct when the puck under the slotted nut with some effort can be moved to and fro with a screwdriver. If the washer fails to budge, to press and release the slotted nut. |
| 10. Tighten the hexagon socket on the split nut to 8 Nm and once again check up bearing clearance. |
 | 11. The hub cap to the flange edge (arrow), fill the high-temperature bearing grease at about '15 |
12. Replace the hub cap with the help of special devices 025 or a rubber mallet tamp.
A warning Tattered sure to replace the cap, since leaks through joints in the bearing enters the moisture, whereby it quickly collapses.
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| 13. Remove the wheel bolt on the brake disc. |
| 14. Put on the wheel, following the previously applied paint marking its former position. Screw the wheel. Lower the car on wheels and tighten the screws crosswise with the torque wheel 110 Nm |
| 15. Repeatedly ponazhimayte the brake pedal to the brake pads stood in the operating position. |
