Air Duct Mercedes W205 C253 Channel Cabin Ventilation Rear Left N/S A2058311145

Air Duct Mercedes W205 C253 Channel Cabin Ventilation Rear Left N/S is an original cabin air distribution component designed for installation in the rear left section of the vehicle body. Thanks to its factory geometry, it ensures proper airflow guidance from the air conditioning system to the passenger compartment without the need for modifications or adjustments. It is a practical solution for both workshops and users who care about the efficient and comfortable operation of their air conditioning system.

Specifications and technical data

• SKU: A2058311145
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2058311145
• Substitutable numbers: A2058311145, A 205 831 11 45
• Location on the vehicle: Rear, Left
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The presented air duct belongs to the Air conditioning hoses, pipes, and connectors group and is responsible for directing airflow from the HVAC system to the rear of the cabin. Its placement in the rear-left area allows for stable mounting at factory body points and maintains proper airflow to the rear passenger vents.

This component is particularly important in vehicles where maintaining a uniform temperature throughout the cabin is required. A properly selected air duct reduces pressure loss, minimizes flow noise, and supports efficient air conditioning performance under various operating conditions.

Compatibility with Mercedes W205 and C253 models

The duct design was developed for the Mercedes W205 and C253 platforms, which translates into a precise fit to the shape of the center tunnel, side panels, and factory mounting brackets. As a result, installation is straightforward, without the need to interfere with the interior structure or use additional adapters.

The original Mercedes solution ensures:

• compatibility with the factory rear cabin ventilation system,
• stable mounting in the rear zone, on the left side of the vehicle,
• maintenance of the airflow path designed by the manufacturer.

Technical specifications and installation

The air duct is designed as an air conditioning system component operating within typical supply air temperature ranges. The internal profile is adapted to reduce turbulence and pressure drops, which promotes stable airflow to the rear seats. Its location in the rear left part of the vehicle facilitates identification during service work and reduces the risk of installation errors.

In workshop practice, the duct is installed after removing the appropriate interior trim elements, using factory mounting points. Maintaining the correct position relative to other air conditioning pipes and hoses is crucial for maintaining airtightness and uninterrupted airflow to the rear vents.

Component condition and service application

The offered air duct comes from the used parts group, making it an attractive cost-effective solution while maintaining the original manufacturer's specifications. This type of component is often chosen for post-accident repairs, replacing damaged ventilation system elements, or eliminating leaks and incorrect airflow direction in the rear of the cabin.

For workshops specializing in the Mercedes brand, using an original air duct allows for shorter diagnostic and assembly times, as well as reducing the risk of claims related to improper air conditioning operation in the rear zone.

Technical support and parts selection

When selecting ventilation and air conditioning system components, it is worth using the manufacturer's markings and information about the location on the vehicle. Data such as the product identifier, OEM part number, or interchangeable numbers are helpful in verifying compatibility with a specific equipment version and vehicle year.

If you are planning a comprehensive repair or upgrade of the air conditioning zone in your Mercedes and need other elements from the same group, such as pipes, hoses, or ventilation connectors, check the available parts in the Mercedes air conditioning hoses, pipes, and connectors category.

Additional knowledge and safe online shopping

An efficient air conditioning system consists not only of pipes and air ducts but also of key components such as the compressor. To better understand the relationships between individual system elements and the symptoms of typical faults, it is worth reading the article Air conditioning compressor – failure symptoms, causes, and safe replacement, which discusses the impact of the compressor's condition on cabin cooling comfort.

When choosing used ventilation and air conditioning components, a practical shopping guide may also be helpful. It contains tips on verifying markings, matching by numbers, and safe practices when ordering parts online – you can find them in the material Safe purchase of used car parts online – a step-by-step guide.