Remove/install stabilizer bar on rear axle - AR32.20-P-0315TX
MODEL 219.3
Shown on vehicle with Airmatic
MODIFICATION NOTES
| 6.3.06 | "Pinch off filler hose of fuel tank" replaced by "Empty fuel tank" | Step 15 |
| Remove/install | |||
| Risk of injury caused by body parts being jammed or crushed. Risk of injury to skin and eyes caused by brake fluid spraying out at high pressure when working on the SBC brake system | Deactivate SBC brake system using STAR DIAGNOSIS. | AS42.46-Z-0001-01A | |
| Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves. |
AS00.00-Z-0001-01A | |
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| While working on the rear axle, care must be taken to ensure that the surface of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected | |||
| Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition. | |||
| 1 | Deactivate SBC brake system using STAR DIAGNOSIS. | Vehicles with Sensotronic Brake Control (SBC) Select the menu item "SBC-Sensotronic Brake Control"/"Initial startup after repair"/"Deactivate 'SBC' system". Then process all the individual steps from top to bottom. |
|
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-P-2000-04A | ||
| 2 | Secure vehicle on the lifting platform | AR00.60-P-0100TX | |
| 3 | Empty air springs (41) completely using STAR DIAGNOSIS | Vehicles with AIRmatic (semi-active air suspension), code 489 | AR32.22-P-1500-04TX |
| Notes on AIRmatic | AH32.22-P-1000-02T | ||
| AR32.22-P-1500-03TX | |||
| *BA32.25-P-1006-04K | |||
| *BA32.25-P-1007-04K | |||
| Fig 3 | |||
| 4 | Remove rear wheels | ||
| Remove/install wheels | AP40.10-P-4050TX | ||
| 5 | Remove crossmember (35) | *BA62.30-P-1001-01C | |
| 6 | Remove exhaust system at flange connection | Model 219.354/356/357/372 | AR49.10-P-7280TX |
| Model 219.375/376/377 | AR49.10-P-7280TY | ||
| Model 219.322 | AR49.10-P-7000TQ | ||
| 7 | Remove rear section components on underfloor paneling | AR61.30-P-1001TX | |
| 8 | Detach heat shield (105c) and heat shield (105d) and remove | AR49.00-P-1000-01TX | |
| *BA62.30-P-1001-01C | |||
| 9 | Detach propeller shaft (106) from flange on rear axle center assembly (50) | ||
| AR41.10-P-0050-04TX | |||
| *BA41.10-P-1002-01E | |||
| 10 | Undo fitting sleeves of flexible coupling on flange of rear axle center assembly (50) | AR41.10-P-0050-09TX | |
| Drift for loosening fitting sleeves in flex disks. | WF58.50-P-4110-01A | ||
| 11 | Remove bolts from propeller shaft intermediate bearing (106a) and remove rear part of propeller shaft (106) | ||
| AR41.10-P-0050-05TX | |||
| AR41.10-P-0050-11TX | |||
| *BA41.40-P-1001-01B | |||
| Long-life grease (NLGI grade 2) | Long-life grease (NLGI grade 2). See https://bevo.mercedes-benz.com/index.php?language_id=1 | ||
| 12 | Unhook brake cables (86) from bracket (86a) and bracket (86b) on rear axle | ||
| 13 | Remove rear brake pads | ||
| Vehicles with floating brake caliper | AR42.10-P-1700TX | ||
| Vehicles with fixed brake caliper | AR42.10-P-1700TZ | ||
| 14.1 | Unclip electrical lines from right and left rear axle rpm sensor, rear axle level sensor (B22/3), brake wear indicator sensor and from right and left rear axle damping valve unit from all retaining clamps (arrows) | Vehicles with AIRmatic (semi-active air suspension), code 489 | |
| 14.2 | Unclip electrical feed lines of left and right rear axle rpm sensors, of brake wear sensor and of rear axle level sensor (B22/3) from all retaining clamps (arrows). | Vehicles without AIRmatic | |
| 15 | Drain fuel tank (18) | Vehicles with diesel engine | AR47.10-P-4001TQ |
| Vehicles with gasoline engine | AR47.10-P-4001TX | ||
| 16 | Remove filler hose (17) of fuel tank (18) | ||
| 17 | Support rear axle using transmission platform and transmission jack at rear axle center assembly (50) and lash securely | ||
| 18 | Detach rear axle carrier (1) from front of frame; to do this, unscrew bolts (1a) | *BA35.10-P-1001-01J | |
| 19 | Carefully lower rear axle using transmission platform and transmission jack | ||
| 20 | Unclip linkage (3) of rear axle level sensor (B22/3) on stabilizer bar (77) | ||
| 21 | Detach stabilizer bar (77) from left and right link rod (6k) | *BA32.20-P-1002-04J | |
| 22 | Detach left and right bearing (77b) of stabilizer bar (77) from rear axle carrier (1) | *BA32.20-P-1003-04J | |
| 23 | Remove stabilizer bar (77) to the right | ||
| 24 | Install in the reverse order | ||
| 25.1 | Activate SBC brake system using STAR DIAGNOSIS | Vehicles with Sensotronic Brake Control (SBC) Select the menu item "SBC-Sensotronic Brake Control"/"Initial startup after repair"/"Remove/install brake pads". Then process all the individual steps from top to bottom. |
|
| Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work | Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system. | AS42.50-Z-0002-01A | |
| 25.2 | Press the brake pedal several times until the brake pads contact the brake disks | Vehicles with Adaptive Brake (ABR) |
REAR AXLE STABILIZER BAR
| Number | Designation | Model 219 | |
|---|---|---|---|
| BA32.20-P-1002-04J | Nut, link rod to stabilizer bar | Nm | 40 |
| BA32.20-P-1003-04J | Bolt, torsion bar to rear subframe | Nm | 70 |
SUSPENSION STRUTS
| Number | Designation | Model 219 with AIRmatic | |
|---|---|---|---|
| BA32.25-P-1006-04K | Nut, rear air spring at spring control arm | Nm | 150 |
| BA32.25-P-1007-04K | Air suspension pressure line at rear axle distributor | Nm | 5 |
REAR AXLE CARRIER
| Number | Designation | Model 219 | ||
|---|---|---|---|---|
| BA35.10-P-1001-01J | Self-locking bolt, front rear axle carrier rubber mount to frame floor | Stage 1 | Nm | 90 |
| Stage 2 | ∠° | 60 | ||
CROSSMEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 219 | |
|---|---|---|---|
| BA62.30-P-1001-01C | Bolt, crossmember to body | Nm | 25 |
PROPELLER SHAFT
| Number | Designation | Model 219 | ||
|---|---|---|---|---|
| BA41.10-P-1002-01E | Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential. | M12 | Nm | 60 |
PROPELLER SHAFT INTERMEDIATE BEARING
| Number | Designation | Model 219 | ||
|---|---|---|---|---|
| BA41.40-P-1001-01B | Bolt, propeller shaft intermediate bearing to frame floor assembly | Self-tapping screw | Nm | 25 |