S42.10-4625-09
Shown on model 470, on left side of vehicle |
1 | Bolts | 4 | Brake linings | |
2 | Brake caliper | 5 | Bracket | |
3 | Caliper support | 6 | Brake disk |
Danger | 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. | |
Warning | 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. | |
Warning | Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Caution | 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. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Brake fluid notes | ||
Topical note | Notes on repairs to brake system | ||
| Remove | ||
1 | Clean the area around the cap of the brake fluid reservoir | Assembly cleaner | |
2 | Remove cap from brake fluid reservoir and extract some brake fluid | Commercially available devices/tools | |
This prevents the brake fluid reservoir overflowing when the brake piston is pushed back. | |||
3 | Remove rear road wheels | ||
4 | Remove screw/bolt (1) | ||
5 | Remove brake caliper (2) with attached brake hose from brake caliper support (3) and secure it against falling down | ||
6 | Remove outer and inner brake pad (4) | Dispose of brake pads (4) as special waste. The local authorities can provide information regarding whether disposal is also permitted as industrial waste similar to domestic waste. | |
7 | Remove holders (5) from brake caliper support (3) | ||
Assembly cleaner | |||
| Check | ||
8 | Check outer and inner brake pad (4) for damage and wear | ||
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If the brake pads (4) are to be reused | |||
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Clean contact surfaces on carrier plates of brake pads (4). | |||
Assembly cleaner | |||
If a brake pad (4) is damaged or worn. | |||
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Replace all brake pads (4) on rear axle. | |||
9 | Check brake disk (6) for damage and wear | ||
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If a problem arises | |||
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Replace left and right brake disk (6) and all brake pads (4) on rear axle. | |||
10 | Check brake caliper (2) for damage and leakage | If the brake caliper (2) is damaged or leaky or if the boots of the brake pistons are damaged. | |
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Replace brake caliper (2). | |||
11 | Check boots, guide pins and pilot bushings of brake caliper guide for damage | ||
If a problem arises | |||
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replace brake caliper support (3). | |||
12 | Turn back brake piston and check it for ease of movement while doing so | Resetting device | |
If the brake piston is sluggish. | |||
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Replace brake caliper (2). | |||
| Install | ||
13 | Install holders (5) into brake caliper support (3) | ||
MB brake paste Molykote (copper colored) | |||
14 | Install inner and outer brake pad (4) into holders (5) on brake caliper support (3) | ||
15 | Release brake caliper (2), position on brake caliper support (3) and tighten using bolts (1) | Screw/bolt, brake caliper to brake caliper support | |
16 | Operate brake pedal several times until brake pads (4) make contact with brake disks (6) | Firm resistance should be noticeable at the brake pedal. | |
17 | Fit rear wheels | ||
| Check | ||
18 | Check fill level in brake fluid reservoir and correct if necessary | ||
| Brake fluids (DOT 4 plus) | ||
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Commercially available devices/tools | |||
19 | Fit cap onto brake fluid reservoir | ||
20 | Perform brake test | ||
Notes on the evaluating and interpreting brake tests on test stands | |||
|
000 589 52 43 00
Resetting device
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