Remove/Install Rear-Axle Brake Caliper - AR42.10-P-0080LW
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Model 205
Model 213
Model 253
Model 293
Fig 1: Rear-Axle Brake Caliper Components Location - Model 205; Shown On Model 205.040 With Code 489 On The Right Side Of Vehicle
Shown on model 205.040 with code 489 (AIRmatic) on right side of vehicle
Shown on model 205.040
| 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 | |
| Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | ||
| Notes on handling, transport and storage of ceramic brake disks | AH42.10-P-9406-13A | ||
| Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove/install | |||
| 1 | Remove cover over brake fluid expansion reservoir. | ||
| 2 | Clean area around cap of brake fluid expansion reservoir. | Assembly cleaner | *BR00.45-Z-1028-04A |
| 3 | Remove cap from brake fluid expansion reservoir and extract some brake fluid. | ||
| 4 | Move brake pads (13) to assembly position. | Model 205 as of model year 2019 Model 213, 293 Model 253 as of model year 2020 |
AR42.10-P-1710-01LWE |
| Model 205 up to model year 2019 Model 253 up to model year 2020 Do not operate the service brake while "Move to assembly position" is shown. Otherwise the spindle in the brake caliper (1) will be damaged. |
AR42.10-P-1700-02W | ||
| 5 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
| 6 | Remove corresponding rear wheel. | AR40.10-P-1102A | |
| 7 | Remove dust caps (arrows A). | Model 205 (except 205.086/087/286/287/386/387/486/487) Model 253 (except 253.388/389/988/989) |
|
| 8 | Remove spring (7) from brake caliper (1). | Model 205 (except 205.086/087/286/287/386/387/486/487) Model 253 (except 253.388/389/988/989) |
|
| 9 | Unhook electric line (8) from holder (arrow C). | Model 205, 213, 253 | |
| 10 | Unhook electric line (8) from cover of left electric parking brake actuator motor (M76/1) or the cover of the right electric parking brake actuator motor (M76/2). | Model 205, 213, 253 | |
| 11 | Unhook electric line (9) from holder (arrow C). | Model 205, 213 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL) |
|
| 12 | Unhook electric line (9) from cover of left electric parking brake actuator motor (M76/1) or the cover of the right electric parking brake actuator motor (M76/2). | Model 205, 213 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL) |
|
| 13 | Unhook grommet (11) from holder (arrow B). | ||
| 14 | Detach electrical plug (2) from brake pad wear sensor coupling housing (4). | When removing brake caliper (1) on right side of vehicle. | |
| 15 | Remove bolt (3) from brake pad wear sensor coupling housing (4). | When removing brake caliper (1) on right side of vehicle. | |
| 16 | Release and disconnect electrical connector (10) from left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2). | ||
| 17.1 | Unscrew bolt (6) from brake hose (5) and let brake hose (5) hang down to one side. | Model 205 (except 205.086/087/286/287/386/387/486/487) Model 213 (except 213.088/089/288/289) Model 253 (except 253.388/389/988/989) Model 293 Seal openings on brake caliper (1) and brake hose (5) immediately. Otherwise adjacent components will be damaged by escaping brake fluid and the brake caliper (1) cannot be bled. |
|
The new brake caliper (1) comes in prefilled condition and it must not be drained. Otherwise the brake caliper (1) cannot be vented. Model 253 (except 253.388/389/988/989) Brake hose to brake caliper |
*BA42.10-P-1002-04O | ||
Model 293 Brake hose to brake caliper |
*BA42.10-P-1002-04P | ||
| Fig 2 | |||
| 17.2 | Remove brake hose (5). | Model 205.086/087/286/287/386/387/486/487 Model 213.088/089/288/289 Model 253.388/389/988/989 |
AR42.10-P-0013LW |
| 18.1 | Remove guide pins (12). | Model 205 (except 205.086/087/286/287/386/387/486/487) Model 213 (except 213.088/089/288/289) Model 253 (except 253.388/389/988/989) |
|
Model 253 (except 253.388/389/988/989) Guide pin to brake caliper support or bolt for guide pin to brake caliper |
*BA42.10-P-1003-12V | ||
| *BA42.10-P-1003-12W | |||
| 18.2 | Remove bolts from guide pins (12). | Model 205.086/087/286/287/386/387/486/487 Model 213.088/089/288/289 Model 253.388/389/988/989 Model 293 Model 253.388/389/988/989 Model 293 Guide pin to brake caliper support or bolt for guide pin to brake caliper |
*BA42.10-P-1003-12V |
| *BA42.10-P-1003-12W | |||
| 19 | Remove brake caliper (1) from brake caliper support (14). | ||
| 20 | Remove left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2) from brake caliper (1). | When replacing the brake caliper (1). | AR42.20-P-0600LW |
| 21 | Remove brake pads (13) from brake caliper support (14). | When replacing brake caliper support (14). | |
| 22 | Unscrew bolts of brake caliper support (14) and remove brake caliper support (14). | When replacing brake caliper support (14). |
*BA42.10-P-1001-12V |
| *BA42.10-P-1001-12W | |||
| Check | |||
| 23 | Check brake caliper (1) and dust boot on brake piston for leak tightness and damage. | If there is a problem, ↓ replace brake caliper (1). |
|
| 24.1 | Check guide pins (12) for ease of movement. | Model 205 (except 205.086/087/286/287/386/387/486/487) Model 213 (except 213.088/089/288/289) Model 253 (except 253.388/389/988/989) If there is a problem, ↓ replace brake caliper (1). |
|
| 24.2 | Check boots and guide pins (12) at brake caliper support (14) for damage and ease of movement. | Model 205.086/087/286/287/386/387/486/487 Model 213.088/089/288/289 Model 253.388/389/988/989 Model 293 If there is a problem, ↓ |
|
| replace brake caliper support (14). | |||
| 25 | Check brake pads (13) for wear and condition. | ||
| Model 293 | AP42.10-P-4252EQ | ||
| Model 205 | AP42.10-P-4252CAA | ||
| Model 253 | AP42.10-P-4252D | ||
| Model 213 If there is a problem, ↓ replace brake pads (13). |
AP42.10-P-4252E | ||
| AR42.10-P-1710LW | |||
| 26 | Check brake disk (15) for wear and condition. | ||
| Model 205 | AP42.10-P-4256EW | ||
| Model 213, 253, 293 If there is a problem, ↓ replace brake disks (15). |
AR42.10-P-0120LWG | ||
| Model 293 | AR42.10-P-0240EQ | ||
| Model 205 Model 213 Model 253 |
AR42.10-P-0220EWE | ||
| 27 | Check brake hose (5) for damage. | If there is a problem, ↓ Replace brake hose (5). |
AR42.10-P-0013LW |
| 28 | Install in the reverse order. | ||
| 29 | Bleed brake system. | Model 205, 253, 293 | AR42.10-P-0010LW |
| Model 213 | AR42.10-P-0010LWE | ||
| 30 | Operate brake pedal several times until brake pads (13) make contact with brake disks (15). | ||
| Check | |||
| 31 | Check and correct brake fluid level in expansion reservoir. | ||
| Model 205 | AP42.10-P-4210CAA | ||
| Model 213, 253 | AP42.10-P-4210B | ||
| Model 293 | AP42.10-P-4210F | ||
| 32 | Perform brake test on test stand. | ||
| AP42.00-P-4290BA |
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 205 (except 205.086/087/286/287/386/387/486/487) | Model 205.086/087/286/287/386/387/486/487 | ||
|---|---|---|---|---|---|
| BA42.10-P-1001-12V | Bolt, brake caliper/brake caliper support to wheel carrier | Stage 1 | Nm | 60 | 60 |
| Stage 2 | ∠° | 45 | 45 | ||
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 253 | Model 293 | ||
|---|---|---|---|---|---|
| BA42.10-P-1001-12V | Bolt, brake caliper/brake caliper support to wheel carrier | Stage 1 | Nm | 60 | 60 |
| Stage 2 | ∠° | 45 | 45 | ||
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 213 | ||
|---|---|---|---|---|
| BA42.10-P-1001-12W | Bolt, brake caliper/brake caliper support to wheel carrier | Stage 1 | Nm | 60 |
| Stage 2 | ∠ ° | 45 | ||
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 205 (except 205.086/087/286/287/386/387/486/487) | Model 253 | ||
|---|---|---|---|---|---|
| BA42.10-P-1002-04O | Brake hose to brake caliper | Front axle | Nm | 24 | 24 |
| Rear axle | Nm | 38 | 38 | ||
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 213 except code B06/B07 | Model 293 | ||
|---|---|---|---|---|---|
| BA42.10-P-1002-04P | Brake hose to brake caliper | Front axle | Nm | 24 | 24 |
| Rear axle | Nm | 42 | 42 | ||
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 205 (except 205.086/087/286/287/386/387/486/487) | Model 205.086/087/286/287/386/387/486/487 | |
|---|---|---|---|---|
| BA42.10-P-1003-12V | Guide pin to brake caliper support or bolt for guide pin to brake caliper | Nm | 25 | 35 |
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 253 | Model 293 | |
|---|---|---|---|---|
| BA42.10-P-1003-12V | Guide pin to brake caliper support or bolt for guide pin to brake caliper | Nm | 25 | 25 |
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 213 | |
|---|---|---|---|
| BA42.10-P-1003-12W | Guide pin to brake caliper support or bolt for guide pin to brake caliper | Nm | 25 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |