Mercedes-Benz C-Class W203 Rear Right Door O/S Window Regulator Lifter Electric

Mercedes C W203 Rear Right Door Window Regulator is a component from the Window Regulators and Motors category, designed for precise operation of the window lifting and lowering mechanism in the rear right door. This solution is dedicated to Mercedes vehicles, ensuring proper window function and stable guidance within the tracks. A used part allows for an economical yet technically sound repair of your car's window system.

Specifications and technical data

• SKU: A2037301246
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037301246
• Substitutable numbers: A2037301246, A 203 730 12 46, A2038203042, A 203 820 30 42, AS
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Intended Use and Fitment for Mercedes C W203

The presented regulator has been designed for the rear right window of the Mercedes C-Class W203 generation. Its placement on the vehicle, specified as rear – right side, simplifies selecting the correct component during the repair of a specific door panel. Thanks to a design that aligns with factory window system specifications, this part integrates with the original door mounting points and standard hardware.

Technical and Functional Characteristics

This regulator is part of the group of components responsible for transferring power from the window motor to the glass, ensuring smooth upward and downward movement. The design intended for installation in the rear right section of the body guarantees:

• stable window guidance within the door tracks,
• appropriate transfer of torque from the drive to the lifting mechanism,
• operation consistent with factory mounting points in the Mercedes C W203 doors,
• compatibility with the original window motor.

By maintaining the geometry specified by the vehicle manufacturer, installation does not require structural modifications to the door panel or interference with factory mounting holes.

Condition, Origin, and Benefits of Choosing a Used Regulator

The offered window regulator is a used part, sourced from a dismantled Mercedes vehicle. This type of component is an attractive alternative to new replacements, especially for cars several or over ten years old, where a reasonable repair cost while maintaining proper functionality is key. By choosing a part from this group, you gain:

• a component that matches the vehicle's factory specifications,
• the ability to restore the window mechanism's functionality without excessive costs,
• a solution tailored for the rear right side of the body, eliminating the risk of positional errors.

The used condition means the part may show signs of wear, but its structure remains functional for continued use after proper installation.

Installation and Operational Recommendations

The regulator intended for the rear right window of the Mercedes C W203 should be installed according to the vehicle manufacturer's service procedures. It is recommended that the installation be performed by an experienced mechanic, especially due to the need for correct window alignment within the tracks and proper mechanism tension. During installation, pay attention to:

• the condition of the window tracks and seals,
• correct tightening of the regulator's mounting points,
• checking compatibility with the window motor and electrical system.

After installation, it is recommended to test the full range of window movement several times to ensure the mechanism operates smoothly, without sticking or unusual noises.

Mercedes Window Regulators and Motors – Selection and Additional Knowledge

If you are looking for other Mercedes Window Regulators and Motors compatible with various models of this brand, check out our dedicated category: Mercedes window regulators and motors. There you will find a wide selection of components responsible for side window operation, facilitating comprehensive system maintenance for your car.

When planning repairs of mechanical and electrical systems in a car, it is also worthwhile to expand your knowledge about typical design issues in popular models. A good starting point might be an article describing critical engine units in another popular premium segment car: Troublesome BMW E90 Engines: Find Out What Can Ruin Your Budget!. This will help you better understand how the right choice of parts and preventative maintenance affect the total cost of vehicle ownership.

If you want to maximize the potential of dismantled parts, including window regulators, a guide on maintaining used components might also be useful: How to Extend the Lifespan of Used Car Parts. There you will find practical tips on the operation and protection of components, which translates into longer and more trouble-free operation of installed parts.