Description
The Mercedes W204 Front Right Door Window Control Switch is an original electrical system component designed for precise adjustment of the passenger-side window. Thanks to its factory design for the Mercedes brand, it ensures proper integration with the vehicle’s electrical system and maintains the ergonomics of interior controls.
Specifications and technical data
- SKU: rhd-A2048700251-1
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2048700251
- Substitutable numbers: A2048700251, A 204 870 02 51, EM
- Location on the vehicle: Front, Right
- Category: Switches & Controls
Purpose and Function in the Vehicle
The described switch belongs to the group of Switches, Control Elements, and Ignition Switches and is installed in the front right door, within the driver or passenger control panel area – depending on the specific interior configuration. Its function is to electrically control window movement, maintaining the correct direction of operation and responding to a short press or prolonged hold of the button (in accordance with the factory logic of the specific vehicle instance).
Its placement in the “front – right” area means the component is structurally adapted to the geometry of the door on that side of the body, and its shape and mounting points are consistent with the factory upholstery panel used in the Mercedes W204 class.
Construction and Compatibility with Mercedes Electrical System
The switch is designed as a component of the Mercedes electrical system, with an appropriate connector and contact layout matched to the wiring harness in the door. This ensures a streamlined installation process – after mechanical fitting into the door panel, simply connect the factory wiring harness plug, without the need for modifications or soldering wires.
Original manufacturing ensures:
- correct operation within the comfort window control system,
- visual consistency with other control elements in the interior,
- maintaining the proper button travel and resistance, which translates to predictable operation.
Application in Service Practice
The front right door window control switch is a typical wear-and-tear component in vehicles with electric window lifters. In cases of symptoms such as the window not responding to commands, intermittent operation, or incorrect movement direction, replacing this component is one of the basic diagnostic and repair steps in the control system.
Choosing an original element from the Switches, Control Elements, and Ignition Switches group ensures compliance with the factory Mercedes specifications, which is important for both reliability and subsequent vehicle computer diagnostics.
Characteristics of a Used Component
The offered switch is a used component, sourced from a dismantled Mercedes vehicle. This type of part offers a cost-effective solution for users who want to maintain the original vehicle specifications while optimizing repair costs. Dismantled components retain their factory construction and are a good choice when conformity with production line equipment is desired.
You can find more information about the advantages of using original dismantled parts in this brand’s vehicles in the article: Used Parts for Mercedes – Original Dismantled Parts.
Expanding the Mercedes Control System
If you are planning a comprehensive repair or upgrade of the interior electrical control area in your Mercedes and need other elements from the same group, such as additional window switches, mirror adjustment buttons, or door control modules, check the available parts in the category Mercedes Switches, Control Elements, and Ignition Switches.
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