Removal and installation the powertrain suspension supports (Mercedes-Benz M-Class W163)

1. The details of the installation of the rear support of the power unit suspension on models equipped with a 111 series engine are shown in the illustration to which all references in the text refer.

2. Support the engine.

3. Remove the rear cross beam of the power unit landing (5).

4. Remove the powertrain suspension support cushion (1).

5. Installation is carried out in reverse order.

Front supports

1. The installation details of the front powertrain suspension mounts on models equipped with a 111 series engine are shown in the illustration to which all references in the text refer.



2. Drain the cooling system (see Chapter Routine care and maintenance).

3. Remove the expansion tank (8) of the cooling system.

4. Remove the cooling fan assembly with viscous coupling.

5. Unscrew the bolts securing the front supports (5.1 and 5.2) of the power unit suspension to the vehicle frame.

6. Connect the winch to the engine.

7. Raise the power unit and remove the front support cushions (5.1 and 5.2).

8. Installation is carried out in reverse order.

Note: The left support cushion is marked on the front side with a blue mark, the right one - with a green mark.

M112

Rear support

The design and location of the rear powertrain support are similar to those described above for models equipped with a 111 series engine.

Front supports

1. The installation details of the front powertrain suspension mounts on models equipped with a 112 series engine are shown in the illustration to which all references in the text refer.

2. Disconnect the negative cable from the battery.

3. Remove the wheel arch protection liners (1).



4. Remove the engine cover.

5. Remove the air cleaner (2).

6. Remove the cooling fan assembly with viscous coupling.

7. Remove the heat shield (3) of the fuse-relay mounting block.

8. Loosen the nuts (4) securing the supports (5).

9. Connect the winch to the engine.

10. Loosen the nuts (6) and remove the protective screens of the support cushions (7).

11. Raise the engine and remove the engine support cushions (5).

12. Installation is carried out in reverse order.

Left side support

1. The installation details of the left side support of the power unit suspension on models equipped with a 112 series engine are shown in the illustration to which all references in the text refer.

2. Remove the front engine mounts (see above).

3. Remove the accessory drive belt (see Chapter Engine).

4. Remove the A/C compressor (1).

5. Unbolt the left support (2) from the engine crankcase and remove it from the vehicle.

6. Installation is carried out in reverse order.

Right side support

1. The installation details of the right side support of the power unit suspension on models equipped with a 112 series engine are shown in the illustration to which all references in the text refer.

2. Remove the front engine mounts (see above).

3. Unbolt the W11/5 ground bus from the engine.

4. Unbolt the right support (1) from the engine crankcase and remove it from the vehicle.

5. Installation is carried out in reverse order.

M113

Rear support

The design and location of the rear powertrain support are similar to those described above for models equipped with a 111 series engine.

Front and side supports

1. The installation details of the front and side powertrain suspension mounts on models equipped with a 113 series engine are shown in the illustration to which all references in the text refer.

2. The procedure is almost identical to that described above for models equipped with 112 series engines.