Mercedes-Benz W202 W208 M112 Petrol Air Conditioning Hose Pipe A1122300156

Mercedes-Benz W202 W208 M112 Petrol Air Conditioning Hose Pipe is an original cabin cooling system component designed for vehicles equipped with the M112 petrol engine. Thanks to its factory geometry and correct diameter, it ensures stable refrigerant pressure and a secure connection between air conditioning components, which translates into efficient and predictable system operation.

Specifications and technical data

• SKU: A1122300156
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1122300156
• Substitutable numbers: A1122300156, A 112 230 01 56, KZ
• Fuel type: Petrol
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered hose is a component of the factory air conditioning system in Mercedes W202 and W208 class models with the M112 petrol unit. It is responsible for the safe transport of refrigerant between individual system components, maintaining proper tightness and resistance to operating pressure.

A properly selected air conditioning hose is crucial for:

• maintaining correct pressure in the refrigerant circuit,
• reducing air conditioning performance drops,
• minimizing the risk of leaks and refrigerant loss,
• stable operation of the compressor and other system components.

Construction, fitment, and installation

The hose belongs to the Air conditioning hoses, pipes, and connectors group, which means it has been designed to work in a high-pressure and variable-temperature environment. The shape, length, and connector layout are adapted to the factory installation routing in the engine bay, which facilitates installation and limits the need for modifications.

The element is prepared for use with the air conditioning system in petrol-powered cars, ensuring compatibility with the M112 unit's operating characteristics and the layout of components in the engine bay.

Benefits of using an original hose

Using an original air conditioning hose in a Mercedes W202 or W208 allows you to maintain the factory operating parameters of the system. Compared to random replacements, a properly fitted component ensures:

• secure fitment with factory brackets and installation routing,
• appropriate stiffness and flexibility of the hose under operating conditions,
• lower risk of vibrations and abrasions at critical points,
• easier diagnostics and servicing of the air conditioning system.

This solution is particularly beneficial for users who want to maintain the structural integrity of the vehicle and avoid problems resulting from poorly fitted parts.

Characteristics of the used part

The offered air conditioning hose is a used part, sourced from the dismantling of a Mercedes vehicle. Such components are frequently chosen for servicing older models because they allow for maintaining the original system specification while reducing repair costs. In the case of air conditioning hoses, it is particularly important that the element maintains its tightness and correct geometry – these factors determine cooling efficiency and the durability of the entire system.

You can find more about the advantages of using original parts from dismantling for this brand in the article Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of selecting premium components on a reasonable budget.

Expanding the air conditioning system in a Mercedes

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

If you are also collecting other components for your car and want to conveniently gather everything in one place, the guide how to comprehensively collect used car parts in one store, which describes the One-Stop-Shop approach and how to avoid low-quality replacements, may be helpful.