Remove/Install Front Axle Brake Caliper - AR42.10-P-0070LWD
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
with code U70 (red-painted brake callipers)
except code B06 (Silver brake calipers)
except code B07 (AMG - ceramic brake system)
6-piston fixed-caliper brake
Model 213
with code U70 (red-painted brake callipers)
except code B06 (Silver brake calipers)
except code B07 (AMG - ceramic brake system)
6-piston fixed-caliper brake
Model 253
with code U70 (AMG high-performance composite braking system)
except code B06 (AMG high-performance braking system)
except code B07 (AMG - ceramic brake system)
6-piston fixed-caliper brake
MODIFICATION NOTES
| 28.04.2017 | Removal of brake hose added. | Operation step 3 |
Fig 1: Front Axle 6-Piston Fixed Brake Caliper Components Location - Model 253 With Code U70, Except Codes B06 And B07
| 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 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 self-locking nuts and Bolts | AH00.00-P-0001-01K3A | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Notes on handling, transport and storage of composite brake discs | AH42.10-P-9406-12LF | ||
| Remove/install | |||
| 1 | Remove brake pads (3) | AR42.10-P-1610LWD | |
| 2 | Remove electrical plug connection for front right brakepad wear sensor on brake caliper (1) | When removing brake caliper (1) on right side of vehicle. | |
Model 253 with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Bolt, brake wear sensor to brake caliper |
*BA42.10-P-1002-10W | ||
| *BA42.10-P-1002-10X | |||
| 3 | Remove brake hose (4) | AR42.10-P-0013LW | |
| 4 | Unscrew Bolts (2) and remove brake caliper (1) | ||
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
Model 253 with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Bolt, brake caliper/brake caliper support to steering knuckle |
*BA42.10-P-1001-10W | ||
| Model 213 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Bolt, brake caliper/brake caliper support to steering knuckle | *BA42.10-P-1001-10X | ||
| Check | |||
| 5 | Check brake caliper (1) and dust boots of brake piston for leak tightness and damage | If there are problems ↓ Replace brake caliper (1). Otherwise the brake caliper (1) cannot be vented. |
|
| 6 |
Check brake disc for wear and condition | Model 205 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake | AP42.10-P-4258EW |
| Model 213 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Model 253 with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake If there are problems ↓ Replace brake discs. |
AR42.10-P-0120LWG | ||
| AR42.10-P-0220EWE | |||
| 7 | Install in the reverse order | ||
| 8 | Bleed brake system | Model 205 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Model 253 with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake | AR42.10-P-0010LW |
| Model 213 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake | AR42.10-P-0010LWE | ||
| 9 | Operate the brake pedal several times until brake linings (3) contact the brake discs | ||
| Check | |||
| 10 | Check and correct brake fluid level in expansion reservoir for brake fluid | ||
| Model 205 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake | AP42.10-P-4210CAA | ||
| Model 213 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake Model 253 with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brake | AP42.10-P-4210B | ||
| 11 |
Carry out brake test on the test stand | AP42.00-P-4290BA |
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 205 | Model 253 | |||
|---|---|---|---|---|---|---|
| BA42.10-P-1001-10W | Bolt, brake caliper/brake caliper support to steering knuckle | M12 | Nm | 120 | 120 | |
| M14 | Stage 1 | Nm | 80 | 80 | ||
| Stage 2 | ∠° | 45 | 45 | |||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 213 (except 213.061/261) | Model 213.061/261 | |||
|---|---|---|---|---|---|---|
| BA42.10-P-1001-10X | Bolt, brake caliper/brake caliper support to steering knuckle | M12 | Nm | 120 | - | |
| M14 | Stage 1 | Nm | 80 | 150 | ||
| Stage 2 | ∠° | 45 | 45 | |||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 205 | Model 253 | |
|---|---|---|---|---|
| BA42.10-P-1002-10W | Bolt, brake wear sensor to brake caliper | Nm | 8 | 8 |
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 213 (except 213.061/261) | Model 213.061/261 | |
|---|---|---|---|---|
| BA42.10-P-1002-10X | Bolt, brake wear sensor to brake caliper | Nm | 8 | 8 |