Mercedes Classe C W204/S204/C204 - Repair abs pump

What is the purpose of the ABS block?

What is the purpose of the ABS block?

It was the Bosch company that developed a first version of ABS block in the late 1970s. The purpose of the ABS block of a car is to prevent, when the motorist brakes suddenly, that the wheels do not lock.

The ABS system to prevent wheel lockup

Before explaining the ABS block, it is important to understand the ABS system in its entirety. We distinguish for the car manufacturer Mercedes C-Class W204/S204/C204 ...

• The wheel speed sensors: there are 2 types, namely active sensors operating through electronics, which are supplied via a voltage determined by the ABS computer and inductive sensors.
• The ABS block: let's see in more detail the elements that compose it below...
• The magnetic targets: they are, depending on the vehicle models, directly integrated into the wheel bearings.

The ABS block

Various elements of the ABS block Mercedes C Class W204/S204/C204 to be understood including:

The hydraulic motor

This is an organ that transforms a flow rate into rotational speed and a pressure into operating torque. The motor's rotational speed is proportional to the flow rate that feeds it.

The hydraulic unit

Many components make it up including:

• Solenoid valves that control the brake pressure for each wheel.
• The electronic splitter that modulates the pressure on the rear wheels.
• A hydraulic pump whose delivery is the source of the vibration felt at the pedal.

The ECU

It receives information from each of the wheel sensors.

How to repair Mercedes C-Class W204/S204/C204 ABS block

Main manifestations of faulty ABS block

The causes are varied and those that appear most of the time are... The car is unstable in wet driving conditions, an ABS sensor is out of order.

What are the services of Diag-Engine company?

Diag-Engine is a company that is known for its expertise in Mercedes C-Class W204/S204/C204 auto parts and others. It is important to understand that Diag-Engine does not sell new ABS blocks.

How to proceed?

From the moment we receive your ABS block, just wait a few days to receive it repaired.

You need to know the part number of your failed ABS block to request its repair. Then you just have to make your payment the part present in your cart after selecting the make and model of car conserned. Finally, send us your defective ABS block as soon as possible.

Do not hesitate to contact us, a technician will assist you.

You will find our address in the footer of the site.

Customer reviews

• The Abs block is now reassembled and the braking has regained its full power!"
• Thank you for your fast and efficient service. The fault is gone. The CT has validated.
• I am not used to leaving a comment following a purchase, but there, I am very bored of doing so happy for my ABS block Mercedes C Class W204/S204/C204: 5 stars thank you!"

If you need help, our technicians are at your service.