Remove/Install Front Axle Steering Gear - AR46.20-P-0500S
Model 223
Shown except code 200 (Conditionally automated driving)
Shown with code 200 (Conditionally automated driving) and with code M005 (Vehicles with 4MATIC/all-wheel drive)
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Evaluating steering gear when repairing accident vehicles | AH46.20-P-9409-01A | ||
| Remove/install | |||
| 1 | Deactivate easy entry and exit feature for steering wheel. | Model 223 with code 275 (Memory Package (driver's seat, steering column and mirror)) |
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| 2 | Move steering wheel forward and upward. | ||
| 3 | Turn steering wheel to center position (front wheels in straight-ahead position) and fix in place using holding device. | Do not turn steering wheel with steering coupling removed. Clock spring contact will otherwise be destroyed. |
AR46.20-P-0500-01S |
| Fig 3 | |||
| 4 | Disconnect ground line of battery of 12 V onboard electrical system. | AR54.10-P-0051S | |
| 5 | Disconnect ground line of secondary 12 V onboard electrical system battery. | Model 223 with code 200 (Conditionally automated driving) | AR54.10-P-0052S |
| 6 | Remove front wheels. | AR40.10-P-1102A | |
| 7.1 | Remove rear and center engine compartment lining. | Model 223 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
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| AR61.20-P-1105S | |||
| 7.2 | Remove center engine compartment lining. | Model 223 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
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| AR61.20-P-1105S | |||
| 8 | Remove steering coupling from steering shaft. | AR46.10-P-8000-01LW | |
| 9 | Open noise encapsulation (1) in area of steering gear (2). | ||
| 10 | Remove tie rod joints (3) from steering knuckles. | AR46.40-P-0211S | |
| 11 | Disconnect electrical connector (4) and expose electrical wiring harness. | ||
| 12 | Support steering gear (2) and secure against falling down. | ||
| 13 | Remove screws (5). | *BA46.20-P-1001-01V | |
| 14 | Remove screws (6) and remove mounting plates (7). | *BA46.20-P-1002-01V | |
| 15 | Remove steering gear (2) with tie rods. | ||
| Check | |||
| 16 | Check steering gear (2). | After repairing an accident vehicle. If there is a problem, ↓ replace steering gear (2). |
|
| 17 | Remove steering coupling from steering gear (2). | Only when replacing the steering gear (2). | AR46.10-P-8000S |
| 18 | Install in the reverse order. | ||
| Measure | |||
| 19 | Perform wheel alignment measurement. | AR40.20-P-0200S | |
| 20 | Commission electrical power steering control unit. | After replacing the steering gear (2). | |
| AD00.00-P-2000-06FR | |||
| 21 | Enter new steering number of steering gear (2) through vehicle documentation (VeDoc) into on-line vehicle data card. | After replacing the steering gear (2). | |
STEERING GEAR
| Number | Designation | Model 223.0 Model 223.1 except code Z07 (B7 armoring on special protection version) Model 223.9 (except 223.979) | Model 223.1 with code Z07 (B7 armoring on special protection version) Model 223.979 | ||
|---|---|---|---|---|---|
| BA46.20-P-1001-01V | Screw/nut, steering to I-beam | Stage 1 | Nm | 100 | 100 |
| Stage 2 | ∠° | 90 | 90 | ||
STEERING GEAR
| Number | Designation | Model 223.0 Model 223.1 except code Z07 (B7 armoring on special protection version) Model 223.9 (except 223.979) | Model 223.1 with code Z07 (B7 armoring on special protection version) Model 223.979 | |
|---|---|---|---|---|
| BA46.20-P-1002-01V | Screw, steering plate to I-beam | Nm | 50 | 70 |