Mercedes-Benz A W168 Diesel Heater Matrix Heat Exchanger Radiator A1688300761

Mercedes-Benz A W168 Diesel Heater Matrix Heat Exchanger Radiator is a heating system component designed specifically for diesel versions, responsible for efficient heat transfer into the vehicle interior. As part of the Heat exchangers group, it ensures stable operation of the thermal system and passenger thermal comfort. This solution is intended for users who expect a proven design and proper compatibility with the factory heating system.

Specifications and technical data

• SKU: A1688300761
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1688300761
• Substitutable numbers: A1688300761, A 168 830 07 61, BG
• Location on the vehicle: Rear
• Fuel type: Diesel
• Offset (ET):
• Category: Heater Cores

Purpose and function in the heating system

The heater matrix in the Mercedes A-Class W168 model is responsible for heat exchange between the fluid circulating in the system and the air directed into the cabin. In the diesel version, it must operate under conditions characteristic of diesel engines, such as different operating temperature ranges or longer engine warm-up times. Its location in the rear part of the vehicle allows for servicing the passenger zone in accordance with the manufacturer's original design.

Construction and fitment for the Mercedes A W168

As an item from the Heat exchangers category, the heater matrix is constructed to provide the largest possible heat exchange surface while maintaining compact dimensions and proper airflow. The geometry of the connections and the shape of the housing are adapted to the W168 body architecture, which facilitates installation in the manufacturer-designated location at the rear of the vehicle. This allows for proper routing of hoses and integration with the existing ventilation and heating system.

Performance parameters and benefits of installation

The heater matrix designed for diesel-powered systems provides:

• stable heat dissipation within the typical operating ranges of a diesel engine,
• proper compatibility with the factory cooling and heating system,
• the ability to maintain a comfortable temperature in the rear part of the cabin.

A properly selected heat exchanger reduces the risk of window fogging, improves driving comfort during the autumn and winter seasons, and supports even distribution of warm air throughout the interior. For the user, this means more predictable heating system behavior and easier maintenance of set climate control parameters.

Characteristics of the used product

The presented heater matrix is a used component, which in practice means it comes from disassembly and was previously operated in a vehicle. Such components are a popular choice for repairs of vehicles that are several or more years old, where it is important to maintain reasonable service costs while matching the original specification. A used heat exchanger allows for restoring the efficiency of the heating system without the need for structural modifications to the installation.

Application in service practice

The Mercedes-Benz A W168 Diesel Heater Matrix Heat Exchanger Radiator will prove useful both for typical replacement of a damaged exchanger and for broader work related to the heating system, e.g., when repairing leaks or addressing cabin underheating issues. By maintaining the factory designation for diesel units, the risk of improper fitment and the need for installation modifications is minimized.

If you are planning a comprehensive repair or upgrade of the heating system area in your Mercedes and need other elements from the same group, such as additional heaters, radiators, or other exchangers, check the available parts in the Mercedes Heat exchangers category.

Additional technical support and knowledge

When upgrading a vehicle, especially in the case of diesel units, it is worth familiarizing yourself with practical tips regarding the selection and use of used components. Expanded knowledge on safely increasing performance and optimal use of sub-assemblies can be found in the article How to increase engine power: a practical guide to engine tuning with used parts, which can be a valuable supplement when planning broader work on the car.