Remove/Install The Suspension Strut - AR32.25-P-1017FRA
Model 257, 290 with code 489 (AIR BODY CONTROL)
Shown on model 257 except code M005 (4MATIC) on left side of vehicle
Shown on model 257 with code M005 (4MATIC) on left side of vehicle
| 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 | |
| Notice | Notes on handling, transport and storage of ceramic brake disks | AH42.10-P-9406-13A | |
| Notice | Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | |
| Notice | Notes on AIR BODY CONTROL | AH32.22-P-1000-03LWO | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Remove/install | |||
| 1 |
Drain pressure in AIR BODY CONTROL system using vehicle diagnosis system. | AD00.00-P-2000-06FR | |
| 2 | Remove front wheel. | AR40.10-P-1102A | |
| 3 | Disconnect electrical connectors (1) at suspension strut (2). | ||
| 4 | Unclip electrical line (14) from suspension strut (2). | ||
| 5.1 | Unclip electrical lines (15) from holders (16, 17). | Model 257 with code 489 (AIR BODY CONTROL) with code M005 (Vehicles with 4MATIC/all-wheel drive) | |
| Model 290 with code 489 (AIR BODY CONTROL) | |||
| 5.2 | Remove guide (3) from suspension strut (2) and place to one side with connected lines. | Model 257 with code 489 (AIR BODY CONTROL) except code M005 (Vehicles with 4MATIC/all-wheel drive) | |
| 6 | Unhook brake hose (4) from holders at suspension strut (2). | ||
| 7 | Remove suspension strut (2) from spring link (5). | Bolt (6) must be inserted from the rear toward the front. Otherwise the brake or the rim may be damaged. |
|
| *BA32.25-P-1002-04P | |||
| 8 | Secure steering knuckle (7) against folding down. | ||
| 9 | Remove upper transverse control arm (8) from steering knuckle (7). | Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (7) will be damaged. |
|
| *BA33.20-P-1006-01U | |||
| 10.1 | Remove cover (9). | When removing the left suspension strut (2). | |
| 10.2 | Remove cover (10). | When removing right suspension strut (2). | |
| 11 | Disconnect electrical connectors (13). | ||
| 12 | Remove pressure line connection (11) from suspension strut (2). | The thread on the compressed air line connection (11) may not be damaged. Otherwise, leaks will occur. |
|
| *BA32.22-P-1007-03J | |||
| *BA32.22-P-1006-03I | |||
| Fig 6 | |||
| Repair pressure line connection (11). | AR32.22-P-2001-01FR | ||
| Fig 4 | |||
| Fig 5 | |||
| 13 | Seal pressure line connection (11) and opening at suspension strut (2) with suitable stop plugs. | Fig 3 | |
| 14 | Unscrew nuts (12) | *BA32.25-P-1001-04P | |
| 15 | Remove suspension strut (2) downwards. | Carefully remove suspension strut (2). Otherwise the suspension strut joint can be damaged by the spring control arm (5). |
|
When extending suspension strut (2), do not tension the brake hose (4). Otherwise the brake hose (4) may be damaged. |
|||
| Check | |||
| 16 | Check condition of suspension strut (2). | In the event of a problem, ↓ |
|
| Replace suspension strut (2). | |||
| 17 | Measure length of new suspension strut (2) and compare dimension with value in leaflet. | When replacing suspension strut (2). In the event of a problem, ↓ |
|
| Do not use suspension strut (2) and order a suitable suspension strut (2). | |||
| 18 | Check condition of suspension strut joint at spring link (5). | In the event of a problem, ↓ Replace spring link (5). |
|
| Model 290 with code 489 (AIR BODY CONTROL) | AR33.15-P-0170FRX | ||
| Model 257 with code 489 (AIR BODY CONTROL) | AR33.15-P-0170FR | ||
| 19 | Install in the reverse order. | ||
| Check | |||
| 20 |
Read out and delete fault memory using vehicle diagnosis system. | AD00.00-P-2000-06FR | |
| 21 | Check AIR BODY CONTROL for leak tightness. | Model 290 with code 489 (AIR BODY CONTROL) | AR32.22-P-8101FRX |
| Model 257 with code 489 (AIR BODY CONTROL) | AR32.22-P-8101FR | ||
| 22 | Check headlamp adjustment. | When replacing components. | |
| Model 290 with code 489 (AIR BODY CONTROL) | AP82.10-P-8260O | ||
| Model 257 with code 489 (AIR BODY CONTROL) | AP82.10-P-8260L |
AIR SUSPENSION
| Number | Designation | Model 257 | |
|---|---|---|---|
| BA32.22-P-1006-03I | Pressure line to air suspension | Nm | 2 |
AIR SUSPENSION
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA32.22-P-1007-03J | Pressure line to air suspension | Nm | 2 |
SUSPENSION STRUTS
| Number | Designation | Model 257 | Model 290 | ||
|---|---|---|---|---|---|
| BA32.25-P-1001-04P | Nut, strut to body | Stage 1 | Nm | 50 | 50 |
| Stage 2 | Nm | - | - | ||
SUSPENSION STRUTS
| Number | Designation | Model 257 | Model 290 | ||
|---|---|---|---|---|---|
| BA32.25-P-1002-04P | Nut, suspension strut to spring control arm | Stage 1 | Nm | 95 | 95 |
| Stage 2 | ∠° | 45 | 45 | ||
WHEEL CONTROL, HUB
| Number | Designation | Model 257 | Model 290 | ||
|---|---|---|---|---|---|
| BA33.20-P-1006-01U | Nut, steering knuckle to transverse control arm | Stage 1 | Nm | 50 | 50 |
| Stage 2 | ∠° | 45 | 45 | ||