Remove/Install Front Upper Control Arm - AR33.20-P-0500LW
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 205
Model 213
Model 253
Shown on model 205 except code 489 (AIRmatic), on the left side of vehicle
Shown on model 205 except code 489 (AIRmatic)
| Notice | Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on handling, transport and storage of ceramic brake disks | AH42.10-P-9406-13A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| Remove/install | |||
| 1 | Perform power disconnect of high-voltage on-board electrical system. | Model 205.012/047/147/212/247 | AR54.10-P-1150LW |
| Model 253.354/954 | AR54.10-P-1150LVH | ||
| 2 | Disconnect ground line and positive line of on-board electrical system battery. | Model 205 (except 205.012/047/147/212/247), 213, 253 When removing the upper transverse control arm (2) on the front passenger side. |
|
| AR54.10-P-0005LW | |||
| 3 | Remove cover (5) or service flap (6). | ||
| 4 | Unclip coolant expansion reservoir (8). | When removing right upper transverse control arm (2). | |
| 5 | Unscrew nuts (7) and remove motor fuse and relay module (K40/8) and place to one side with connected lines. | When removing the upper transverse control arm (2) on the driver's side. | |
| 6 | Remove left or right front wheel. | AR40.10-P-1102A | |
| 7 | Remove left or right front suspension strut. | Model 205 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 213 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 253 with code 489 (AIR BODY CONTROL) |
AR32.25-P-1017LWL |
| 8 | Remove front level sensor retaining clamp (1) from upper transverse control arm (2). | If installed. |
|
| 9 | Unscrew nut (4). | Otherwise the ball head or steering knuckle (3) may be damaged. |
|
| *BA33.20-P-1006-01U | |||
| 10 | Remove upper transverse control arm (2) from steering knuckle (3). | ||
| 11 | Secure steering knuckle (3) with a cable tie. | ||
| 12 | Unscrew nuts (9) from screws (10). | *BA33.20-P-1005-01U | |
| 13 | Remove bolts (10). | ||
| 14 | Remove upper transverse control arm (2). | ||
| Check | |||
| 15 | Check elastomer bearings at upper transverse control arm (2) for wear and damage. | If problems occur, ↓ Replace upper transverse control arm (2). |
|
| 16 | Check upper ball joint at upper transverse control arm (2) for wear and damage. | If problems occur, ↓ Replace upper transverse control arm (2). |
|
| 17 | Check upper transverse control arm (2) for damage. | If problems occur, ↓ Replace upper transverse control arm (2). |
|
| 18 | Install in the reverse order |
WHEEL CONTROL, HUB
| Number | Designation | Model 205 | Model 213 | ||
|---|---|---|---|---|---|
| BA33.20-P-1005-01U | Nut, transverse control arm to body | Stage 1 | Nm | 35 | 35 |
| Stage 2 | ∠° | 90 | 90 | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 253 | ||
|---|---|---|---|---|
| BA33.20-P-1005-01U | Nut, transverse control arm to body | Stage 1 | Nm | 35 |
| Stage 2 | ∠° | 90 | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 205 | Model 213 | ||
|---|---|---|---|---|---|
| BA33.20-P-1006-01U | Nut, steering knuckle to transverse control arm | Stage 1 | Nm | 50 | 50 |
| Stage 2 | ∠° | 45 | 45 | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 253 | ||
|---|---|---|---|---|
| BA33.20-P-1006-01U | Nut, steering knuckle to transverse control arm | Stage 1 | Nm | 50 |
| Stage 2 | ∠° | 45 | ||