Mercedes W176 Window Lifter Base Rear Left N/S Door Card Panel Trim A1767300179

Mercedes W176 Window Lifter Base Rear Left N/S Door Card Panel Trim is an original component from the Window regulators and motors group, designed for the rear left section of the vehicle body. This used part allows for an economical yet technically correct repair of the window lifting mechanism, while maintaining a proper fit to the Mercedes construction.

Specifications and technical data

• SKU: A1767300179-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1767300179
• Substitutable numbers: A1767300179, A 176 730 01 79, KD
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function of the base

The window lifter base in the Mercedes W176 model is responsible for the stable seating of the lifting mechanism in the rear left door. A correctly selected component ensures:

• precise window guidance in the rails,
• proper cooperation with the regulator and the window motor (if applicable),
• reduction of play, vibrations, and unwanted noises during operation.

Thanks to its correct geometry and factory fit, the base keeps the mechanism aligned, which translates into smooth opening and closing of the window and less load on the remaining system components.

Compatibility and vehicle fitment

The presented base is intended for installation in the rear left part of the body, in the passenger door behind the driver. Proper placement on the vehicle minimizes the risk of incorrect selection and facilitates the identification of the right component during window system repairs.

As a part from the Window regulators and motors group, it works with the factory lifter mechanism, maintaining the original window travel line and the mounting points provided by the manufacturer. This is especially important in the case of rear doors, where improper fitment can result in leaks or difficulty closing the window.

Characteristics of the used part

The offered base is a used part, which allows for a significant reduction in repair costs compared to a new component, while maintaining the manufacturer's original design. In practice, this means:

• factory fit for the Mercedes W176 door,
• preservation of the intended mounting points,
• possibility of installation without modifying the door structure.

Choosing a used base is particularly beneficial for maintenance repairs when only the mounting element is damaged, while the other components of the window lifter remain functional.

Benefits of using an original base

Using an original window lifter base in the rear left part of the body provides a number of practical benefits:

• Stable window operation – reduction of jams, skips, and excessive play in the mechanism.
• Better durability of the entire system – proper support reduces the loads acting on the regulator and motor.
• Cost savings – replacing a single base instead of the complete lifter mechanism.
• Consistency with the factory Mercedes design, without the need for universal solutions.

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

Practical tips and additional materials

When planning repairs within the bodywork and moving window systems, it is worth considering the general technical condition of the vehicle and the potential costs of other mechanical repairs. A good reference point for assessing the profitability of investments in older cars can be an article about problematic engines, available here: BMW E90 faulty engines: check what can ruin your budget!.

If you want to better plan your purchases and consciously use the offer of aftermarket parts, the following guide will also be helpful: Used parts – your guide to the best deals in the automotive store, where you will find practical tips on choosing used components and optimizing service costs.