Attention! All self-locking bolts and nuts must be replaced without fail!
Front differential
Front differential installation details
1. The details of installing the front differential are shown in the illustration, to which all references in the text refer.
2. Remove the front wheels.
3. Turn out a corresponding stopper and merge from differential oil.
4. Unbolt the front propeller shaft from the connecting flange of the drive gear, - tie the shaft to the frame.
5. Using a puller, release both upper ball bearings from the corresponding transverse suspension arms, check the condition of the anthers, assess the degree of wear of the bearings, replace if necessary.
6. Remove panels of finishing of an impellent compartment.
7. Release both drive shafts from the differential - try not to damage the guards.
8. Disconnect the ventilation hose from the differential housing.
9. Turn out fixing bolts (14a) and remove the front differential assembly (14).
10. Installation is carried out in the reverse order.
11. Finally, check the differential for signs of leaks.
Rear differential
Rear differential installation details
1s - Shield; 37 - Drive shafts; 50 - Rear differential; 50a - Mounting bolts; 50d - Caps; 55 - Ventilation hose; 106 - Rear driveshaft; A - Release models after 05.98; B - Release models from 06.98
1. The details of installing the rear differential are shown in the illustration, to which all references in the text refer.
2. Remove drive shafts (37).
3. Turn out fixing bolts and disconnect cardan shaft (106) from the connecting flange of the rear differential drive gear (50), - tie the shaft to the vehicle frame.
4. Release the ventilation hose (55) from the clips on the fuel tank, - except for models equipped with an additional fuel tank (ML 55 AMG), where the hose can only be released after the differential has been lowered.
5. Remove covers (50d) mounting bolts.
6. On ML 55 AMG models, remove the guard (1s), mounted on the left side of the differential assembly.
7. Support the rear differential assembly (50).
8. Remove the suspension elements mounting the rear differential to the axle holder (A/B).
9. Turn out fixing bolts (50a), lower the differential assembly (50) down and remove it from under the car - on ML 55 AMG models, after lowering the differential assembly, do not forget to release the ventilation hose from the clamps on the fuel tank.
10. Assess the condition of the front and rear rubber mounts in the rear axle holder, replace them if necessary.
11. Installation is carried out in the reverse order.
12. Finally, check the differential for signs of leaks.