Mercedes Classe A W177/V177 - Repair abs pump

What is the purpose of the ABS block?

Why is the ABS block useful?

It was Bosch that marketed an early electronic ABS system in the late 1970s. In the event of emergency braking, the ABS block ensures that the driver retains control of the car. Indeed, locking the wheels in such a situation would cause it to slide down the road.

Focus on the ABS system

Before discussing the ABS block, it is important to get a good grasp of the entire ABS system. We can notice for the car Mercedes A Class W177/V177 ...

• The ABS block: the technical details below allow to apprehend the importance of this part.
• The wheel speed sensors: each of the sensors is placed in front of a target, a notched wheel that is also called phonic wheel.
• The magnetic targets: they generate signals read by the sensors, which send these signals to the ABS computer.

The ABS block

The ABS block of the Mercedes A-Class W177/V177 model consists of, among other things, the following elements:

The computer

It receives an indication emanating directly from the brake pedal.

The hydraulic unit

Many elements make it up including:

• The electronic distributor that shades the pressure on the rear wheels.
• A hydraulic pump that ejects the fluid stored in the accumulator to the master cylinder.
• Solenoid valves of which each wheel has an intake solenoid valve and an exhaust solenoid valve.

The hydraulic motor

This is a member that transforms a flow rate into rotational speed and a pressure into operating torque. The rotational speed of the motor is proportional to the flow rate that feeds it.

The Mercedes A-Class W177/V177 ABS block replacement

Main manifestations of ABS block HS

This manifests itself mostly as a result of... The car lacks stability in wet driving conditions, the regulation of brake pressure does not work normally.

What does the company Diag-Engine.co.uk offer?

Diag-Engine is a company specializing in the replacement of ABS block all types of models. Let us emphasize that Diag-Engine does not sell new ABS blocks.

How does it work?

The method of operation is very quick: you choose the brand corresponding to your car, then the model and then the brand of the ABS block whose inscription must appear on it. All you have to do is pay for this order and send us your defective ABS block.

The repair of your ABS block and shipping is extremely fast.

By email or tel, let us know your questions.

You will find the contact details of the Diag-Engine workshop at the bottom of the website.

Some customer reviews

• I sent my ABS block to Diag-Engine and all the follow up and service were top notch, from the contact to the repair and from the delay until the delivery.
• The garage asked me 1300 € to replace my ABS block. With Diag-Engine, I got it for 350 €. Phew thank you!"
• The Abs block is reassembled and the brakes work as before!"

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