Remove/Install Front Engine Mount - AR22.10-P-4330LWB
Engine 264 in model 253
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 264, 274.9 in model 205
with code M005 (Vehicles with 4MATIC/all-wheel drive)
MODIFICATION NOTES
| 04.02.2019 | Operation step added. | Operation step 11. | |
| 22.02.2019 | Bolt, heat shield to engine support | BA22.10-P-1002-02D |
Shown on front right engine mount on the engine 274.9
Shown on front right engine mount on the engine 264
| 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 | |
| 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 | |
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| Remove/install | |||
| 1 | Deactivate memory package. | Engine 264 in model 253 with code 275 (Memory Package (driver's seat, steering column and mirror)) with code M005 (Vehicles with 4MATIC/all-wheel drive) Engine 264, 274.9 in model 205 with code 275 (Memory Package (driver's seat, steering column and mirror)) with code M005 (Vehicles with 4MATIC/all-wheel drive) |
|
| 2 | Turn rack-and-pinion steering to center position (front wheels in straight-ahead position) and fix steering wheel in place with holding device. | Do not turn steering wheel when removing the steering coupling. Fault on clock spring contact possible. |
Fig 6 |
| 3 | Remove engine air intake duct upstream of air filter. | ||
| 4 | Remove center and rear sections of lower engine compartment lining. | AR61.20-P-1105LW | |
| 5 | Drain off coolant. | Engine 264 in model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Engine 264 in model 253 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR20.00-P-1142MRI |
| Engine 274.9 in model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR20.00-P-1142LW | ||
| 6 | Remove front axle drive shafts. | Engine 274.9 in model 205 with transmission 722.96 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR33.30-P-0620LWY |
| Engine 264 in model 205 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) Engine 264 in model 253 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) Engine 274.9 in model 205 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR33.30-P-0620LW | ||
| 7 | Remove the catalytic converter. | Engine 264 in model 205, 253 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR49.20-P-0100MRI |
| Engine 274.9 in model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR49.10-P-5500LW | ||
| 8 | Unclip engine management control unit with bracket and place to one side with connected lines. | ||
| 9 | Remove screws (1) from left and right front engine mount (2). | with code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt, front engine mount to engine support |
BA22.10-P-1001-03M |
with code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt, front engine mount to engine support |
*BA22.10-P-1001-03E | ||
| 10 | Remove coolant hose to heater cooler from bulkhead. | AR20.20-P-7441-01RQ | |
| 11 | Remove wiper arms. | AR82.30-P-6100LW | |
| 12.1 | Install engine support fixture and raise engine. | Engine 274.9 in model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Do not put electrical lines and hoses under tension. Otherwise damage will occur. |
AR33.10-P-0105LW |
| 12.2 | Install engine support fixture and raise engine. | Engine 264 in model 205, 253 with code M005 (Vehicles with 4MATIC/all-wheel drive) Do not put electrical lines and hoses under tension. Otherwise damage will occur. |
AR01.10-P-2400-17MRI |
| BA20.20-P-1002-02B | |||
| Fig 5 | |||
| Fig 3 | |||
| Fig 4 | |||
| Fig 2 | |||
| 13 | Unscrew screws (7) and remove heat shield (6). | with code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt, heat shield to engine support |
BA22.10-P-1002-02D |
with code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt, heat shield to engine support |
*BA22.10-P-1003-02A | ||
| 14 | Remove screw/bolt (5a) from the left and the front right engine mount (2) | with code M005 (Vehicles with 4MATIC/all-wheel drive) Screw/bolt, front engine mount to front axle carrier |
BA22.10-P-1002-03M |
with code M005 (Vehicles with 4MATIC/all-wheel drive) Screw/bolt, front engine mount to front axle carrier |
*BA22.10-P-1002-03E | ||
| Fig 1 | |||
| 15 | Remove steering coupling from steering shaft. | AR46.10-P-8000LW | |
| 16 | Remove screw/bolts (5) from left and right front engine mount (2) and remove both front engine mounts (2) downwards | ||
with code M005 (Vehicles with 4MATIC/all-wheel drive) Screw/bolt, front engine mount to front axle carrier |
BA22.10-P-1002-03M | ||
with code M005 (Vehicles with 4MATIC/all-wheel drive) Screw/bolt, front engine mount to front axle carrier |
*BA22.10-P-1002-03E | ||
| Fig 1 | |||
| 17 | Install in the reverse order. |
ENGINE RADIATOR, COOLANT HOSES AND LINES
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA20.20-P-1002-02B | Screw, low-temperature circuit expansion reservoir to crossmember | Nm | 8 |
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 205 | |||
|---|---|---|---|---|---|
| BA22.10-P-1001-03E | Bolt, front engine mount to engine support | M10 | Nm | 50 | |
| M12 | Stage 1 | Nm | 45 | ||
| Stage 2 | ∠° | 120 | |||
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 253 (except 253.388/389/988/989/992/993) | ||
|---|---|---|---|---|
| BA22.10-P-1001-03M | Bolt, front engine mount to engine support | Stage 1 | Nm | 50 |
| Stage 2 | ∠° | - | ||
ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA22.10-P-1002-02D | Bolt, heat shield to engine support | Nm | 12 |
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 205 | ||
|---|---|---|---|---|
| BA22.10-P-1002-03E | Screw/bolt, front engine mount to front axle carrier | M8 | Nm | 30 |
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Model 253 (except 253.388/389/988/989/992/993) | |
|---|---|---|---|
| BA22.10-P-1002-03M | Screw/bolt, front engine mount to front axle carrier | Nm | 30 |
ENGINE SUPPORT (ENGINE SIDE)
| Number | Designation | Engine 274 | |
|---|---|---|---|
| BA22.10-P-1003-02A | Bolt, heat shield to engine support | Nm | 10 |