Mercedes R170 Air Vent Pressure Fender Flap Rear 1708300042

Description

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R170 Air Vent Pressure Fender Flap Rear is an original body component designed for the rear section of the vehicle, responsible for controlled airflow and pressure equalization within the wheel arch area. This used OEM part allows for a technically correct repair, maintaining factory fitment and structural integrity of the bodywork. As such, it provides a practical solution when replacing a damaged component in the rear body zone.

Specifications and technical data

• SKU: A1708300042
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 1708300042
• Substitutable numbers: 1708300042
• Location on the vehicle: Rear
• Category: Fenders

Purpose and function of the component

The presented rear wheel arch air vent flap for Mercedes R170 models operates in the body area associated with the rear fender. Its task is the controlled discharge of air and moisture from the space behind the paneling, which promotes stable operating conditions for body components and reduces the risk of debris accumulation. A properly functioning component of this type contributes to acoustic comfort, sealing, and predictable body behavior while driving.

Construction and body fitment

The design of the air vent flap is engineered for the specific geometry of the rear body section, ensuring precise fitment with the fender and adjacent panels. The component is mounted in the rear zone of the vehicle, in the location provided by the manufacturer, ensuring compliance with the factory body line and correct airflow path. Using an original Mercedes component helps avoid issues with leaks, improper seating, or unwanted vibrations.

Benefits of using an original used part

Choosing a used OEM component for the rear body zone is a solution that combines technical correctness with reasonable repair costs. The original air vent flap:

• maintains the factory airflow characteristics within the wheel arch,
• ensures compatibility with mounts and seals provided by the manufacturer,
• reduces the risk of improper installation typical of aftermarket parts with universal geometry,
• allows for maintaining the structural integrity of the rear body section.

Thanks to this, the repair is predictable, and the final result is closer to factory specifications than in the case of randomly selected replacements.

Professional installation and service application

The component is intended primarily for body and paint shops as well as service centers specializing in the Mercedes brand, but it will also work well for repairs performed by knowledgeable users. Proper installation in the rear of the vehicle requires maintaining the orientation, correct pressure in the seat, and checking the adhesion to the body surface. Using an original air vent flap facilitates these tasks because the geometry and mounting points are consistent with factory specifications.

Complementary Mercedes body components

If you are planning a comprehensive repair or upgrade of the wheel arch and rear fender zone in your Mercedes and need other elements from the same group, such as covers, inner panels, or additional reinforcements, check the available parts in the Mercedes Front Fenders category.

More about the advantages of used OEM parts

If you want to better understand how the availability of used OEM components affects vehicle downtime in the workshop and repair costs, it is worth reading an article describing the practical aspects of using such solutions in workshops: Availability of car parts off the shelf vs. repair time – how used OEM parts shorten workshop stays?.