Remove/Install Front Engine Mount - AR22.10-P-4330LWC
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Engine 274.9 in model 253 except code M005 (4MATIC)
Shown on right front engine mount (2)
Fig 1: Front Engine Mount Components Location - Engine 274.9 In Model 253 Except Code M005 (Right Side Shown)
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Remove/install | |||
| 1 | Deactivate memory package | Engine 274.9 in model 253 with code 275 (Memory package) except code M005 (4MATIC) | |
| 2 | Turn rack-and-pinion steering to central position (front wheels in straight ahead position) and secure steering wheel with the holding device | The steering wheel must not be turned when detaching steering coupling. Otherwise the clock spring contact will be destroyed. |
Fig 2 |
| 3 | Remove engine air intake duct upstream of air filter | ||
| 4 | Remove center and rear lower engine compartment paneling | AR61.20-P-1105LW | |
| 5 | Disconnect exhaust system between CAT and center muffler | AR49.10-P-7283RF | |
| 6 | Unclip engine management control unit with bracket and place to one side with connected lines | ||
| 7 | Remove screw/bolts (1) from left and right engine mount (2) | *BA22.10-P-1001-03M | |
| 8 | Mount engine hoist and raise engine | Do not put electrical lines and hoses under tension. Otherwise damage will occur. |
AR33.10-P-0105LW |
| 9 | Detach steering coupling from steering shaft | AR46.10-P-8000LW | |
| 10 | Remove screw/bolts (5) from left and right front engine mount (2) and remove both front engine mounts (2) downwards | ||
| *BA22.10-P-1002-03M | |||
| 11 | Install in the reverse order |
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 253 (except 253.388/389/988/989) | ||
|---|---|---|---|---|
| BA22.10-P-1001-03M | Bolt, front engine mount to engine support | Stage 1 | Nm | 50 |
| Stage 2 | ∠° | - | ||
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 253 (except 253.388/389/988/98 9) | |
|---|---|---|---|
| BA22.10-P-1002-03M | Screw/bolt, front engine mount to front axle carrier | Nm | 30 |