Mercedes A B W169 W245 Air Conditioning Heater Matrix Unit Housing Box Diesel

Mercedes A B W169 W245 Air Conditioning Heater Matrix Unit Housing Box Diesel is an original heating and ventilation system component designed for installation in diesel-powered vehicles. Thanks to its factory-spec design, it ensures stable operating parameters, proper heat exchange, and compatibility with other air conditioning components, which translates into thermal comfort inside the cabin and predictable system performance.

Specifications and technical data

• SKU: A1698304160
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698304160
• Substitutable numbers: A1698304160, A 169 830 41 60, A1698304860, A 169 830 48 60
• Location on the vehicle: Rear, Left
• Fuel type: Diesel
• Category: Other Air Conditioning & Heating

Purpose and function in the air conditioning system

The described heater matrix is responsible for the efficient transfer of heat from the engine cooling system to the air directed into the cabin, working in conjunction with the air conditioning module and vents. The version dedicated to diesel-powered vehicles is designed with the specific operating conditions of diesel engines in mind, which promotes stable interior heating even at lower outside temperatures.

Its placement in the rear left part of the vehicle allows for precise delivery of warm air to the appropriate zones of the passenger cabin. This layout improves temperature distribution, reduces window fogging, and supports even heating of the rear interior.

Benefits of using an original heater matrix

Using an original component in the heating and air conditioning system offers a number of practical benefits:

• maintenance of factory airflow and coolant flow parameters,
• consistency with the design of air ducts and the heater housing,
• reduced risk of leaks and loss of heating efficiency,
• better integration with the factory air conditioning controls.

As a result, vehicle comfort remains close to factory standards, and the air conditioning and heating system operates in a predictable, repeatable manner.

Installation characteristics and compatibility

The heater matrix has been designed specifically for the Mercedes compact class platform, which facilitates fitting into the existing installation. The correct placement on the vehicle on the rear left side allows for maintaining the original routing of hoses and the proper position relative to the air ducts.

The version prepared for diesel engines is adapted to the typical operating conditions of such units, which promotes thermal stability and improves heating efficiency during the autumn and winter seasons. The used component allows for an economical restoration of system efficiency without the need to interfere with other sub-assemblies.

Condition of the component and practical application

The product comes from dismantling and is intended for users who want to restore the proper operation of the heating and air conditioning without investing in new components. Replacing the heater matrix is particularly recommended in situations where the vehicle experiences problems with cabin heating, fogged windows, or uneven temperature distribution between the front and rear of the interior.

Selecting the right heater matrix for a specific engine and body version is crucial for maintaining system tightness and proper installation. It is worth verifying compatibility with your vehicle using the manufacturer's markings and information about the placement on the vehicle.

System expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the air conditioning and heating zone in your Mercedes and need other elements from the same group, such as hoses, housings, or additional control modules, check the available parts in the Other Mercedes category.

When planning an upgrade or repair of the heating system in vehicles from model years similar to the W169 and W245, it is also worth checking out the guide on using used components in cars from the turn of the 90s and 2000s. Practical tips on selecting and refurbishing components can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.

For drivers interested in comparing the characteristics of drivetrain and braking systems in sports models versus standard vehicle versions, the comparative material available in the article Audi RS vs other models – what is hidden under the hood and chassis? may also be useful, as it shows how the selection of appropriate components affects the car's behavior in everyday use.