Remove/ Check/Install Front Axle Brake Pads - AR42.10-P-1610LWD
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
Fig 1: Front Axle 6-Piston Fixed-Caliper Brake Linings/Pads Components Location - Model 253 With Code U70 Except Code B06; 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 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 handling, transport and storage of composite brake discs | AH42.10-P-9406-12LF | |
| 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 | |
| Remove/install | |||
| 1 | Open service flap above expansion reservoir for brake fluid | ||
| 2 | Clean area around cap on expansion reservoir for brake fluid | Assembly cleaner | *BR00.45-Z-1028-04A |
| 3 | Unscrew the cap on the brake fluid expansion reservoir and suction off some brake fluid | ||
| 4 | Remove front wheels | AR40.10-P-1102A | |
| 5 | Create access to electric line of right front brakepad wear sensor and disconnect electrical connector | ||
| 6 | Remove Bolt (6) and take off support (7) | ||
| 7 | Use punch to knock out pin (5) and remove retaining spring (8) | Check retaining spring (8) is correctly seated. |
|
| 8 | Press back brake pistons slightly using pusher tool | Fig 2 | |
| 9 | Remove brakepads (3) | ||
| Check | |||
| 10 | Check pins (5), support (7) and retaining spring (8) for damage and condition | If a problem arises ↓ Replace the pins (5) or support (7) or retaining spring (8). |
|
| 11 | Check brake linings (3) for wear and condition | ||
| 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-4252D | ||
| 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-4252CAA | ||
| 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 In event of damage or excessive wear ↓ Replace brakepads (3). |
AP42.10-P-4252E | ||
| 12 | 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 In event of damage or excessive wear ↓ Replace brake discs. |
AR42.10-P-0120LWG | ||
| AR42.10-P-0220EWE | |||
| 13 | Check brake caliper (1) and dust boots of brake piston for leak tightness and damage | If a problem arises ↓ Replace brake caliper (1). |
AR42.10-P-0070LWD |
| 14 | Press back brake pistons using pusher tool | Fig 2 | |
With sluggish brake pistons ↓ Replace brake caliper (1). |
Fig 3 | ||
| AR42.10-P-0070LWD | |||
| Clean | |||
| 15 | Clean contact surfaces of brake linings (3) on brake caliper (1) and brake piston | Assembly cleaner |
*BR00.45-Z-1028-04A |
| 16 | Pull front right brakepad wear sensor out of backing plate of brakepad (3) | When replacing the brakepads (3) or replacing the right front brake wear sensor |
|
| 17 | Install in the reverse order | ||
| 18 | Operate the brake pedal several times until brake linings (3) contact the brake discs | ||
| Check | |||
| 19 | Check/correct brake fluid level in expansion reservoir | ||
| 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 | ||
| 20 |
Carry out brake test on the test stand | AP42.00-P-4290BA |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |