Air Line Mercedes W205 W212 W213 Air Suspension Airmatic Cable Pipe A2123270545

Air Line Mercedes W205 W212 W213 Air Suspension Airmatic Cable Pipe is a component of the automatic level control system, responsible for the precise routing of compressed air in the air suspension. A properly selected line ensures stable operation of the Airmatic system, improving ride comfort, body control, and safety under various load conditions.

Specifications and technical data

• SKU: A2203271045
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2203271045
• Substitutable numbers: A2203271045, A 220 327 10 45, A2123270545, A 212 327 05 45
• Category: Self-Levelling Suspension Parts

Purpose and function in the Airmatic system

The described air line is part of the air suspension system with automatic level control in Mercedes C-Class and E-Class models of the W205, W212, and W213 generations. Its task is to provide a tight and stable connection for the Airmatic system components, ensuring that air pressure is maintained at the appropriate level and that the suspension's response to load changes is predictable and repeatable.

A correctly selected line eliminates the risk of pressure drops, uneven body leveling, or delayed suspension response times. This is particularly important in premium vehicles, where ride comfort, stability at higher speeds, and handling precision are key performance parameters.

Construction, fitment, and compatibility

The line has been designed as a component compatible with the factory architecture of the Airmatic system in Mercedes W205, W212, and W213 models. This means:

• maintaining the original routing geometry of the line in the engine bay and undercarriage,
• compatibility with factory pneumatic connectors,
• appropriate diameter and cross-section ensuring proper airflow.

As a result, installation can be carried out in an orderly manner, without the need for system modifications or the use of additional adapters. Original Mercedes brand origin helps maintain factory suspension performance parameters and minimizes the risk of compatibility issues.

Condition, service application, and benefits of installation

The item is sourced from disassembly and is intended for service applications in vehicles equipped with Airmatic air suspension. Replacing the line is recommended in situations where the following occur:

• leaks in the pneumatic system,
• uneven body leveling,
• excessive operation of the suspension compressor,
• visible mechanical damage or signs of corrosion on the existing installation.

Selecting the correct line helps reduce the load on the compressor, stabilize the operation of the air bellows, and restore predictable vehicle behavior during braking, acceleration, and driving with a full load. This translates into more comfortable and safer vehicle operation.

Mercedes automatic level control – expansion and service

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other elements from the same group, such as lines, sensors, or additional leveling system components, check the available parts in the Mercedes automatic level control category.

When working on the suspension system, it is also worth paying attention to the general condition of the vehicle, including the transmission and its operation. For better planning of your service budget and informed selection of used components, you can use the advice contained in the article Transmission: manual, automatic, or DSG – typical faults and a guide to buying a used transmission, which helps assess the cost-effectiveness of repairs and replacements in key drivetrain systems.

If you want to further optimize your car maintenance costs, including Airmatic system repairs using parts from disassembly, the tips from the guide Rising repair costs and the boom in used parts – how to save on car service?, which describes a practical approach to choosing used OEM components, may be useful.