What is the construction and purpose of the ABS and ESP system?

The ABS and ESP system is a set of hydraulic, electronic, and measurement elements responsible for controlling braking and vehicle stability. A typical set includes a pump or hydraulic block, a controller, wheel speed sensors, and sensors used by the driving path stabilization system. The module is usually mounted in the engine compartment and connected to the car's braking and electrical installation.

What is the ABS and ESP system used for?

The ABS and ESP system is used to limit the risk of wheel lock-up during braking and to correct the driving path in situations of traction loss. ABS maintains steerability during heavy braking, and ESP uses signals from sensors and selective wheel braking to stabilize the car. Without a properly functioning system, the driver has less support when driving on slippery surfaces and during sudden maneuvers.

What is the construction and function of the ABS/ESP hydraulic block?

The ABS/ESP hydraulic block is a part containing brake fluid flow channels, solenoid valves, and a pump controlling pressure in individual circuits. This element works directly with the controller, which, based on signals from sensors, opens or closes valves at the right moment. In addition to pressure regulation itself, electrical connectors, the layout of line outlets, and compatibility with a specific car version are also important.

How to choose the right ABS/ESP module or pump for a car?

It is safest to compare the OEM number, interchangeable numbers, module manufacturer, and electrical connector type. It is also worth checking the body version, drive, equipment, and brake system designation, as visually similar parts may differ in controller configuration. For used parts, comparing photos of mounting points and hydraulic outlets is also helpful.

What symptoms indicate a problem with the ABS and ESP system?

The most common symptoms are illuminated ABS or ESP warning lights, errors stored in the controller's memory, incorrect reaction during braking, and sporadic activation of the stabilization system. In practice, the fault may concern a wheel sensor, wiring, the controller, or the hydraulic block itself. In diagnostics, it is also worth verifying power supply, ground, and the condition of plugs.

How is the installation and activation of ABS and ESP system components carried out?

Installation requires proper seating of the module, connection of brake lines, and electrical installation according to the factory layout. After replacement, bleeding the system, clearing errors, and adapting or coding the controller are often necessary, depending on the vehicle version. Therefore, before installation, it is worth ensuring that the part has matching markings and corresponds to the car's equipment.

ABS and ESP system

At the Global Parts automotive store, we offer a wide selection of original used car parts, including ABS and ESP systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our ABS and ESP systems undergo quality control to ensure you receive a top-quality product.

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Mercedes W212 ESP ABS Hydro Control Unit Brake Pump Control Unit A2124313512

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Mercedes W169 W245 ABS Hydraulic Brake Pump Unit A0064316712

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Brake Pump Mercedes W203 ABS ESP Hydraulic Brake Unit A0064310312 A0365454032

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Mercedes W203 Brake Pump ABS ESP Hydraulic Braking Unit A0054314312 A0345457932

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Mercedes W211 W219 Hydraulic Pump ABS Brake Control Unit Module A2114313712

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Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2045453832 A2044313912

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Mercedes W205 Brake Pump ABS Hydraulic Brake Control Unit Module A2054313612

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Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Brake Unit A9069001502

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Mercedes Sprinter W906 Brake Pump ABS Hydraulic Control Unit A0084318712

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Mercedes Vito W447 Brake Pump ABS ESP Hydraulic Unit A4479003902 A4479003802

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Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2049012500 A2044313912

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ABS Pump Mercedes EQA H243 C118 W247 Brake Hydraulic Pump Unit A2439008800

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Mercedes Vito W447 Brake Pump ABS ESP Hydraulic Control Unit A4479007304

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Brake Pump Mercedes W639 Vito ABS ESP Hydraulic Control Unit Module A0014460989

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Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit A0034310312

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Brake Pump Mercedes W203 ABS ESP Hydraulic Brake Unit A0064315112 A0375454732

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Mercedes W124 Brake Pump ABS Hydraulic Brake Control Unit Module A0055455132

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Mercedes ML W164 Brake Pump ABS ESP Hydraulic Module A2515453932 A1644311912

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Mercedes W169 W245 Brake Pump ABS Hydraulic Braking Unit A0064310812

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Brake Pump Mercedes W211 CLS C219 Hydraulic ABS Control Unit Module A2114312812

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Mercedes Vito Viano W639 ABS ESP Hydraulic Brake Pump Unit A0004466689

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Mercedes ML W166 ABS Pump Brake Hydraulic Module Pump Unit A1669013400

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Brake Pump Mercedes W169 W245 ABS Hydraulic Braking Unit A0064314612

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Brake Pump Mercedes W639 Vito Viano ABS ESP Hydraulic Unit A0014461789

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Mercedes W221 ABS Hydraulic Brake Pump Unit Module A2215455232

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Mercedes W169 W245 ABS Hydraulic Brake Pump Control Unit ECU A0044315212

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Mercedes W212 Brake Pump ABS ESP Hydraulic Unit Module A2124311948

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Mercedes R129 W140 W202 ABS Hydraulic Brake Pump Unit Braking Module A0024319812

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Mercedes ML W164 ABS Pump Control Hydraulic Unit Module A1644312812

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Mercedes-Benz Vito Viano W639 ABS ESP Hydraulic Brake Pump Unit A0004466689

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Mercedes ML W164 ABS Hydraulic Brake Pump Unit A2515452632

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Mercedes C207 Hydraulic Pump ABS ESP Brake Control Unit Module A2124311848

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Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Brake Unit A9069002302

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ABS Pump Mercedes C118 W177 Hydraulic Brake Unit Module A1779006307

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Mercedes W211 Brake Pump ABS ESC Hydraulic Unit Module A2114312012

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Mercedes W204 Brake Pump ABS ESP Hydraulic Control Unit A2049012400 A2044311912

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Mercedes W221 ABS Hydraulic Brake Pump Unit Braking Module A2214319012

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Brake Pump Mercedes W901 W903 W905 ABS ESP Hydraulic Brake Unit A0004469289

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Brake Pump Mercedes W906 ABS ESP Hydraulic Control Unit Module A0014461489

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Brake Pump Mercedes W906 ABS ESP Hydraulic Control Unit Module A0004468289

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Brake Pump Mercedes W169 W245 ABS Hydraulic Unit A0064316412

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Mercedes W211 Brake Pump ABS ESC Hydraulic Unit Module A2114311212

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ABS Brake Unit Mercedes W168 Hydraulic Brake Pump Unit A0034315112

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Mercedes W211 ABS Brake Pump SBC Hydraulic Brake Control Unit A0054317212

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Hydraulic Unit Mercedes W213 W217 W257 ABS Pump A2134316201

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Mercedes-Benz E-Class S210 W210 ABS ESP Hydraulic Brake Pump Unit A0044314912

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ABS Pump Mercedes ML W166 Hydraulic Brake Pump Module A1669013400

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Mercedes-Benz A B Class W169 W245 ABS Hydraulic Brake Pump Unit A0064316312

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ABS ESP Pump Mercedes Sprinter W906 Hydraulic Brake Pump A9069002302

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