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 B-Class (W245) B 200 (245.233)

The steps may slightly vary depending on the car design.

How to change front brake pads / front brake pad set on MERCEDES-BENZ B200 (W245) [AUTODOC]

Replacement: brake pads – Mercedes W245. Tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Anti-squeal paste
                      
                        Copper grease 
                      
                        Combination spanner #17
                      
                        Drive socket # 13 
                      
                        Brake caliper wind back tool
                      
                        Wheel impact socket #H12
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Crow bar
                      
                        Wheel chock

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

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

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

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.
All work should be done with the engine stopped.

Replacement: brake pads – Mercedes W245. Take the following steps:

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 front of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake pads – Mercedes W245. AUTODOC recommends:

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

Disconnect the brake pad wear sensor plug.Use a crowbar.

Replacement: brake pads – Mercedes W245. Tip:

Some cars are not equipped with the brake pad wear sensor.
Step 9

Spread the brake pads.Use a crowbar.

Step 10

Unscrew the brake caliper fastening.Use a drive socket #13.Use a ratchet wrench.
Step 11

Remove the brake caliper.

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

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 12

Remove the brake pads.

Replacement: brake pads – Mercedes W245. Professionals recommend:

Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 13

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 14

Treat the brake caliper piston.Use a brake cleaner.

Replacement: brake pads – Mercedes W245. Tip:

After applying the spray, wait a few minutes.
Step 15

Press in the brake caliper piston.Use brake caliper wind back tool.
Step 16

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. AUTODOC recommends:

Make sure the disc surface is clean before installing the pads.
Step 17

Install new brake pads.

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

Make sure the pads are installed with linings facing the disc.
Step 18

Connect the brake pad wear sensor plug.
Step 19

Install the brake caliper and fix it.Use a drive socket #13.Use a combination spanner #17.Use a torque wrench.Tighten it to 35 Nm torque.
Step 20

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 21

Clean the brake disk surface.Use a brake cleaner.

Replacement: brake pads – Mercedes W245. Professionals recommend:

After applying the spray, wait a few minutes.
Step 22

Install the wheel.

AUTODOC recommends:

Important! Hold the wheel while screwing in the fastening bolts. Mercedes W245
Step 23

Screw in the wheel bolts.Use wheel impact socket #H12.
Step 24

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 25

Remove the jacks and chocks.

AUTODOC recommends:

Important! Replacement: brake pads – Mercedes W245. Check the brake fluid level in the reservoir and top up if necessary.
Step 26

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 27

Close the hood.

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

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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