When to replace the Brake Pads on your MERCEDES-BENZ B-CLASS

Recommended replacement interval for the part category Brake Pad Set, disc brake : 30000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W169) A 200 (169.033, 169.333), MERCEDES-BENZ B-Class (W245) B 200 (245.233)

The steps may slightly vary depending on the car design.

How to change rear brake pads on MERCEDES-BENZ B200 (W245) [TUTORIAL AUTODOC]

Replacement: brake pads – Mercedes W245. List of the tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Anti-squeal paste
                      
                        Copper grease 
                      
                        Combination spanner #13
                      
                        Combination spanner #15
                      
                        Drive socket # 13 
                      
                        Wheel impact socket #H12
                      
                        Torque wrench
                      
                        Brake caliper wind back tool
                      
                        Crow bar
                      
                        Wheel chock

All the parts you need to replace – Brake Pads for B-Class (W245) and other MERCEDES-BENZ models

MERCEDES-BENZ A-Class (W169) A 200 (169.033, 169.333)

MERCEDES-BENZ B-Class (W245) B 200 (245.233)

Replacement: brake pads – Mercedes W245. AUTODOC experts recommend:

Perform the replacement of brake pads in complete set for each axis. This provides effective braking.
The replacement procedure is identical for all brake pads on the same axle.
Please note: all work on the car – Mercedes W245 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet.Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.
Step 3

Loosen the wheel mounting bolts.Use wheel impact socket #H12.
Step 4

Raise the rear of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake pads – Mercedes W245. Tip:

To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush.Use WD-40 spray.
Step 8

Unscrew the brake caliper fastening.Use a combination spanner #13.Use a combination spanner #15.
Step 9

Spread the brake pads.Use a crowbar.
Step 10

Remove the brake caliper.

Replacement: brake pads – Mercedes W245. AUTODOC recommends:

Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 11

Remove the brake pads.

Replacement: brake pads – Mercedes W245. Tip from AUTODOC:

Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 12

Clean the brake caliper bracket from dirt and dust.Use a wire brush.Use a brake cleaner.

AUTODOC recommends:

Replacement: brake pads – Mercedes W245. After applying the spray, wait a few minutes.
Step 13

Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.

Replacement: brake pads – Mercedes W245. Professionals recommend:

Make sure the disc surface is clean before installing the pads.
Step 14

Install new brake pads.

Replacement: brake pads – Mercedes W245. Tip from AUTODOC:

Make sure the pads are installed with linings facing the disc.
Step 15

Treat the brake caliper piston.Use a brake cleaner.

Replacement: brake pads – Mercedes W245. Tip:

After applying the spray, wait a few minutes.
Step 16

Press in the brake caliper piston.Use brake caliper wind back tool.
Step 17

Install the brake caliper and fix it.Use a combination spanner #13.Use a combination spanner #15.Use a drive socket #13.Use a torque wrench.Tighten it to 35 Nm torque.
Step 18

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 19

Clean the brake disk surface.Use a brake cleaner.

AUTODOC recommends:

Replacement: brake pads – Mercedes W245. After applying the spray, wait a few minutes.
Step 20

Install the wheel.

Replacement: brake pads – Mercedes W245. AUTODOC recommends:

To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 21

Screw in the wheel bolts.Use wheel impact socket #H12.
Step 22

Lower the car and working in a cross order, tighten the wheel bolts.Use wheel impact socket #H12.Use a torque wrench.Tighten it to 125 Nm torque.
Step 23

Remove the jacks and chocks.

Replacement: brake pads – Mercedes W245. AUTODOC experts recommend:

Check the brake fluid level in the expansion tank and refill if necessary.
Step 24

Tighten the brake fluid reservoir cap.

AUTODOC recommends:

Mercedes W245 – Press the brake pedal several times with the engine shut down until you feel the resistance built up.
Step 25

Close the hood.

Replacement: brake pads – Mercedes W245. Tip:

Slow down smoothly for first 150-200 km after the brake pads replacement. Avoid unneccessary and sharp braking to a stop.

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