Remove/Install Front Axle Brake Caliper - AR42.10-P-0070MEX
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Model 167
with code B06 (Silver brake calipers)
Model 167
with code B07 (AMG - ceramic brake system)
Model 167
with code U29 (AMG high-performance braking system)
Model 167
with code U70 (red-painted brake callipers)
Shown on right side of vehicle
Fig 1: Front Axle Brake Caliper Components Location - Model 167 With Code B06 ; B07; U29; U70 (Right Side Shown)
| 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 the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system. | AS42.50-Z-0002-01A | |
| 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 poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | AS42.50-Z-0001-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| 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 self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove/install | |||
| 1 | Clean area around cap of brake fluid reservoir. | Assembly cleaner | *BR00.45-Z-1028-04A |
| 2 | Remove cap of brake fluid reservoir and extract some brake fluid. | ||
| 3 | Remove left or right front wheel and tire assembly. | AR40.10-P-1102ME | |
| 4 | Release and disconnect front right brake wear sensor (S10/2) from coupling housing (3). | Only when removing the brake caliper (1) on the right side of the vehicle. | |
| 5 | Remove screw (2) at coupling housing (3). | Only when removing the brake caliper (1) on the right side of the vehicle. | |
| *BA42.10-P-1004-10L | |||
| 6 | Remove coupling housing (3) together with electrical line and place to one side. | Only when removing the brake caliper (1) on the right side of the vehicle. | |
| 7 | Unscrew union nut of brake line (7) on brake hose (6) and release brake hose (6). | Seal connections immediately. Otherwise damage can be caused by escaping brake fluid. |
|
| *BA42.10-P-1002-04J | |||
| Fig 3 | |||
| Fig 2 | |||
| 8 | Remove bolts of brake pads. | Only when replacing or removing the brake caliper (1) or brake pads. | |
| AR42.10-P-1610MEX | |||
| 9 | Remove bolts (5). | ||
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | Do not loosen screws (4) or remove from brake caliper support (8). Otherwise, the factory-set alignment of the brake caliper (1) to the brake caliper support (8), and therefore to the brake disk in its installed condition, is no longer correct. |
AH00.00-P-0020-01A |
| *BA42.10-P-1003-10L | |||
| 10 | Remove brake caliper (1) together with brake pads and brake caliper support (8). | ||
| 11 | Remove brake pads. | Only when replacing the brake caliper (1) or brake pads. | |
| AR42.10-P-1610MEX | |||
| Check | |||
| 12 | Check brake pads for wear and condition. | ||
| If there is a problem, ↓ replace brake linings. |
AP42.10-P-4252J | ||
| AR42.10-P-1610MEX | |||
| 13.1 | Check condition of brake disk and gauge degree of wear. | Model 167 with code B07 (AMG - ceramic brake system) | |
| If there is a problem, ↓ replace corresponding brake disk. |
AR42.10-P-0270RG | ||
Always replace all the brake disks on the axle at the same time. |
AR42.10-P-0230MEA | ||
| 13.2 | Check condition of brake disk and gauge degree of wear. | Model 167 with code B06 (Silver brake calipers) Model 167 with code U29 (AMG high-performance braking system) Model 167 with code U70 (red-painted brake callipers) |
|
| If there is a problem, ↓ Replace brake disks. |
AP42.10-P-4256EW | ||
Always replace all the brake disks on the axle at the same time. |
AR42.10-P-0230MEA | ||
| 14 | Check brake caliper (1) and die dust boot on the brake pistons for leak tightness and damage. | If there is a problem, ↓ Replace brake caliper (1). |
|
| 15 | Check brake hose (6) for leakage and damage. | If there is a problem, ↓ Replace brake hose (6). |
|
| AR42.10-P-0026MEX | |||
| 16 | Install in the reverse order. | ||
| Concluding tasks | |||
| 17 | Bleed brake system. | AR42.10-P-0010ME | |
| 18 | Perform brake test on test stand. | ||
| AP42.00-P-4290BA |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 167 | |
|---|---|---|---|
| BA42.10-P-1002-04J | Brake line to brake hose | Nm | 14 |
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 167 | ||
|---|---|---|---|---|
| BA42.10-P-1003-10L | Self-locking bolt, brake caliper support to steering knuckle | Stage 1 | Nm | 80 |
| Stage 2 | ∠° | 45 | ||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 167 | ||
|---|---|---|---|---|
| BA42.10-P-1004-10L | Bolt, brake pad contact sensor to brake caliper | M6 | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |