Mercedes-Benz W213 Radiator Air Deflector Vacuum Line Hose Pipe A2135017900

Mercedes-Benz W213 Radiator Air Deflector Vacuum Line Hose Pipe is an original vacuum system component designed to work with the radiator deflector in W213 series models. Thanks to its factory geometry and precise diameter, it ensures stable control of airflow through the radiator, which promotes the proper operation of the cooling system and the engine unit. It is a practical choice for users who expect reliable fitment to the factory installation.

Specifications and technical data

• SKU: A2135017900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135017900
• Substitutable numbers: A2135017900, A 213 501 79 00
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function of the vacuum line

The radiator air deflector vacuum line in the Mercedes-Benz W213 is responsible for transmitting vacuum to the components controlling the deflector, which enables dynamic management of the airflow directed at the radiator. A properly functioning line:

• ensures a tight connection between the vacuum system and the deflector,
• reduces the risk of vacuum drops and improper mechanism operation,
• supports the maintenance of optimal engine operating temperature under various load conditions. By maintaining the factory design, this element from the Lines, hoses, and pipes category allows for the preservation of the original operating characteristics of the cooling system.

Benefits of using an original Mercedes component

Using a vacuum line dedicated to the W213 brings a number of practical operational benefits:

• Factory fitment – the line is designed for a specific radiator deflector system, which facilitates installation and minimizes the risk of leaks.
• Consistency with other vacuum system components – maintaining the correct diameter and shape translates into predictable vacuum values.
• Stable deflector operation – correct control of airflow through the radiator helps maintain the appropriate coolant temperature. An original Mercedes component is a solution that allows you to avoid problems typical of replacements with imprecise dimensions or different material characteristics.

Operational characteristics and installation

The line is a component intended for installation in the existing vacuum system without the need to modify the installation. In practice, this means:

• the ability to use factory mounting points and line routing,
• maintaining the original vacuum line path in the engine compartment,
• reducing the time required for replacement compared to fitting universal hoses. The used condition allows for an economical replacement of a damaged or leaking line while maintaining the original design specification.

Application in the cooling and vacuum system

A functional radiator air deflector vacuum line has a direct impact on:

• proper opening and closing of the deflector depending on driving conditions,
• cooling efficiency under higher engine loads,
• stability of engine operating parameters in terms of operating temperature. For a service center or a user, this means the ability to restore proper system operation without interfering with the electronics or mechanics of the deflector – simply replace the faulty line with the correct component. If you are planning a comprehensive repair or upgrade of the vacuum and cooling system area in your Mercedes and need other elements from the same group, such as supply lines, return hoses, or connecting pipes, check the available parts in the Mercedes lines, hoses, and pipes category. For drivers interested in a broader upgrade of the car's appearance and functionality, including replacing elements that affect aesthetics and handling, an article describing the selection of used alloy wheels, markings, and principles for assessing their condition may be helpful – you can find it here: guide to used original alloy wheels for Audi and BMW.