Mercedes CLA C117 WIndow Lifter Front Right O/S Window Regulator A1177209900

Mercedes CLA C117 WIndow Lifter Front Right O/S Window Regulator is an original component from the Window regulators and motors group, designed for precise operation of the front passenger-side window. This used window regulator ensures a factory-fit to the door structure, which facilitates installation and helps maintain the correct window guidance geometry in the Mercedes CLA C117.

Specifications and technical data

• SKU: A1177209900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1177209900
• Substitutable numbers: A1177209900, A 117 720 99 00
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and function of the window regulator

The presented window regulator is dedicated for installation in the front right door, responsible for the smooth raising and lowering of the window. The component works with the factory control motor and electrical system, ensuring the correct operation of the comfort system and window control from both the door panel and the driver's console.

Thanks to a design consistent with the solutions used by Mercedes, the mechanism keeps the window in a stable position, minimizing the risk of misalignment, excessive play, or unwanted vibrations while driving.

Benefits of using an original window regulator

Using an original window regulator in a Mercedes CLA C117 allows for maintaining the integrity of the entire door system. In practice, this means:

• correct window guidance in the factory tracks,
• proper fitment with seals and the door frame,
• compatibility with the factory electrical control system,
• reduction of noise risks resulting from improper mechanism operation.

For the user, this translates into stable, predictable window operation and the preservation of acoustic comfort inside the vehicle.

Installation characteristics

The window regulator is designed for installation in the front right door area, which clearly defines its placement on the vehicle. The construction is prepared to work with factory mounting points in the door, which facilitates service work and shortens replacement time compared to aftermarket parts with a universal design.

It is always worth confirming the selection of the correct component based on the manufacturer's markings and vehicle data to ensure full compatibility with the specific equipment configuration.

Using a pre-owned component in vehicle service

Choosing a used window regulator is a solution that allows you to combine cost control with maintaining the original design of the system. In many cases, it is a beneficial alternative to new aftermarket replacements, especially when you want to maintain the factory operating parameters of the mechanism.

When selecting consumables and mechanical components for Mercedes vehicles, it is worth following actual technical data and manufacturer markings, which reduces the risk of problems with installation and subsequent operation. The issue of selecting used components is discussed in more detail in the guide: Why it is worth buying used gearboxes and engines – facts instead of myths, which describes, among other things, a practical approach to identifying parts by manufacturer markings.

Expanding the window control system in a Mercedes

If you are planning a comprehensive repair or upgrade of the door area and window lifting system in your Mercedes and need other elements from the same group, such as lifting mechanisms, electric drives, or control modules, check out the available parts in the Mercedes Window regulators and motors category.