Mercedes Classe C W203/S203/CL203 - Repair abs pump

What is the ABS block?

The ABS block: a Bosch invention

The ABS has been mandatory in Europe since 2003. It works through sensors, a computer and a hydraulic control system. The purpose of a vehicle's ABS block is to prevent, during emergency braking, the wheels from locking.

Focus on the ABS system

The ABS block is an accessory to the general ABS system. There are for the brand Mercedes C-Class W203/S203/CL203 ...

• Magnetic targets: they are, depending on the vehicle models, integrated into the wheel bearings.
• The ABS block: more details below.
• The wheel speed sensors: there are 2 types, active sensors operating through electronics, which are supplied via a voltage determined by the ABS computer and passive sensors.

The ABS block

In an ABS block of the Mercedes C-Class W203/S203/CL203 model, we observe, among other things...

Hydraulic unit

Here are some of the elements that make it up...

• Pressure accumulators, which are none other than pressurized gas reservoirs that can hold a variable volume of a pressurized liquid.
• The electronic brake force distribution, which is an additional function managed by the ECU.
• Solenoid valves with a presence of ABS regulation on the rear wheels.

The motor driving a hydraulic pump

It transfers hydraulic energy into mechanical energy.

The ECU

Each time a wheel locks, it controls the solenoid valves and the hydraulic pump.

The Mercedes C-Class W203/S203/CL203 ABS block replacement

What are the symptoms of a faulty ABS block?

It is quite often one of two reasons... The vehicle lacks stability on wet roads or an ABS sensor is out of order.

What are the services of Diag-Engine?

Diag-Engine is a company located in the department of Eure for many years and expert in the reconditioning of the ABS block of the brand Mercedes C-Class W203/S203/CL203 and others. Let us specify that Diag-Engine does not sell any new ABS block.

What is the working mode?

7 days are enough for you to get back your ABS block as new.

Go to Diag-Engine.fr store to select the make and model of your car. Make sure the part number matches your ABS block. Then place your order to make your payment. As soon as possible, send us to the address that appears on the summary of the trasaction your malfunctioning part.

We are at your disposal by tel or by mail at the slightest hesitation.

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

Some customer reviews

• The Abs block is back up and the braking has regained all its power!"
• I was given a 1400 € quote to replace my ABS block. With Diag-Engine, it cost me 350 €. Phew thank you!"
• Very responsive and fast service. Just 8 days between sending and return colissimo after repair.

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