What is the construction and purpose of window regulators and motors?

Window regulators and motors are a set of parts mounted inside the door, responsible for raising, lowering, and stably guiding the window. A typical set includes guide rails, cables or scissor arms, sliders, mounting points, and an electric motor or manual mechanism. These elements must be matched to the vehicle side, body version, and window control method.

What are window regulators and motors used for?

Window regulators and motors are used for smooth control of the window position in a car door. Their task is not only to open and close the window but also to keep the glass in the correct position while driving. When the system is malfunctioning, resistance, window tilting, noise, or lack of response to controls may occur.

What role does the window slider play in the window mechanism?

A window slider is an element working with the regulator that guides the window along the correct track and limits its lateral deviations. It is responsible for the smooth movement of the glass and even transfer of forces from the mechanism to the window. Slider wear can cause jamming, uneven operation, and increased load on the window regulator motor.

How to choose a regulator or motor for a specific car?

It is best to compare the OEM part number, interchangeable numbers, mounting side, and body version. It is also worth checking whether the part is intended for the front or rear door and what type of electrical connector it has. For cars with different equipment, the pre-facelift or facelift version may also be important.

What symptoms indicate wear of a window regulator or motor?

Typical symptoms include slow window operation, stopping halfway, mechanism skipping, no response after pressing the button, and unnatural cracking sounds in the door. Sometimes the problem concerns the motor itself, and sometimes the cables, sliders, or guide rails. Therefore, before purchasing a part, it is worth evaluating the entire mechanism and control installation.

How to maintain window regulators and motors after installation?

The basis is keeping the window guide rails clean and checking that there is no dirt in the door hindering glass movement. It is also good to periodically check mounting points, the condition of the electrical harness, and the operation of control buttons. A quick response to the first signs of jamming helps limit wear on the entire mechanism.

Window Motors & Regulators

At the Global Parts automotive store, we offer a wide selection of original used car parts, including window regulators and motors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The window regulators and motors we offer undergo quality control so that you can be sure that you are receiving a top-class product.

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Mercedes-Benz W221 Front Right Window Regulator Lifter Motor Panel A2217601834

PLN 189.95

Free delivery: Sep 22

If paid before 14:00

Part no. A2467205800

Mercedes W246 Door Card Window Regulator Speaker Front Right O/S A2467205800

PLN 146.95

Free delivery: Sep 22 – 23

If paid before 14:00

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Lifter Motor Mercedes W205 X253 Window Rear Right O/S Drive Unit A2059060401

PLN 46.95

Delivery: Sep 22

If paid before 14:00

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Mercedes CLK-Class C209 W209 Front Right Door O/S Window Lifter Motor Regulator

PLN 46.95

Delivery: Sep 22

If paid before 14:00

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Mercedes S203 Window Regulator Lifter Motor Front Right O/S A2037202446

PLN 75.95

Free delivery: Sep 22

If paid before 14:00

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Mercedes SLK R172 Window Lifter Front Left Door N/S Lifter Mechanism A1727200146

PLN 94.95

Free delivery: Sep 22

If paid before 14:00

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Mercedes-Benz E S211 W211 Rear Left Door Window Regulator Lifter A2117300346

PLN 46.95

Delivery: Sep 22

If paid before 14:00

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Mercedes CLA C117 WIndow Lifter Rear Left N/S Regulator Motor A1177302500

PLN 99.95

Free delivery: Sep 22 – 23

If paid before 14:00

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Mercedes ML W166 Window Lifter Regulator Rear Left N/S Door Card Panel

PLN 75.95

Free delivery: Sep 22 – 23

If paid before 14:00

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Mercedes CLS W219 Window Lifter Motor Rear Door Right O/S Drive Unit A2198200642

PLN 47.95

Delivery: Sep 22

If paid before 14:00

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Mercedes W210 Front Right O/S Door Window Regulator Lifter Motor

PLN 75.95

Free delivery: Sep 22

If paid before 14:00

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Mercedes-Benz A B Class W169 W245 Front Right Door O/S Window Lifter Mechanism

PLN 85.95

Free delivery: Sep 22

If paid before 14:00

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Mercedes W221 Window Lifter Front Left N/S Window Regulator A2217200379

PLN 75.95

Free delivery: Sep 22 – 23

If paid before 14:00

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Mercedes W164 Window Lifter Front Right Door O/S Window Regulator Mount

PLN 142.95

Free delivery: Sep 22

If paid before 14:00

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Window Lifter Mercedes W204 W212 1 Rear Left N/S Regulator Panel A2127301779

PLN 94.95

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If paid before 14:00

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Mercedes ML W164 Window Lifter Motor Rear Right O/S Drive Unit A2518200208

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