How to replace brake line on Mercedes W203?
Use a 12mm flared nut wrench and remove the two brake lines (red arrows) from the master cylinder. Make sure you use a flared nut wrench and that it is seated correctly, you do not want to strip the nut. Also be prepared to catch the small amount of brake fluid that is going to come out.
How to replace brake pressure sensor on Mercedes W203?
Open the cap on the reservoir and remove the strainer. Using a fluid pump or turkey baster, get as much of the old fluid out as you can. This helps prevent excessive spilling of brake fluid inside the engine compartment. It’s also helpful to stuff a bunch of old rags or paper towels under the master cylinder to absorb any spills.
Why does my Mercedes Benz brake system leak?
The heart of the brake system is the master cylinder, which controls the hydraulic pressure of the entire system. Unfortunately, over many years, the master cylinder and reservoir have a tendency to wear out and leak. The leakage can occur internally or externally, resulting in a weakened braking system.
How to repair ABS pump on Mercedes ML?
Unscrew the bolts that hold the pump to ABS control valve unit. Two T25 torx bolds on each side of the motor in the ML. Be careful not to strip them. They strip easily, don’t ask how I know. Pull the ABS motor straight out. At the center of the ABS module there is an O “cap” metal ring. Be careful not to pull that out with the ABS motor.
Where is the ABS relay on the ML W163?
Find the relay that runs the ABS pump. If you look at your fuse box it will be marked ABS Pump or ABS Motor or 4EPS. On the ML W163 it is K25. Located under the hood, in front of the driver. Manually get the ABS motor to run by jumping the wires on ABS Relay socket. If the ABS motor doesn’t run when you jump the relay then move to the next section.
How much does it cost to repair ABS on ml W163?
On this DIY article we will focus on repairing the ABS motor (4ESP). This repair could cost around $3,000 at the dealer or around $2,000 at an auto repair shop. If you have some DIY repair skills then you are looking at about $20. That’s right $20. This is a very common problem on ML W163.