Mercedes-Benz A B Class W169 W245 Heater Radiator Matrix Petrol A1698300661

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes-Benz A B Class W169 W245 Heater Radiator Matrix is a factory-original component of the cabin heating system, designed for installation in the front section of the vehicle. It ensures efficient transfer of thermal energy from the petrol engine's cooling system to the interior, which translates into a stable cabin temperature and driving comfort. This technical solution allows for maintaining heating system efficiency at a level consistent with the manufacturer's standards.

Specifications and technical data

• SKU: A1698300661-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698300661
• Substitutable numbers: A1698300661, A 169 830 06 61, A1698300361, A 169 830 03 61, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Heater Cores

Function and role in the heating system

The heater radiator matrix is responsible for transferring heat from the coolant to the air directed into the cabin. Located at the front of the vehicle, it works in conjunction with the ventilation system and climate control, enabling:

• efficient interior heating in low outdoor temperatures,
• defogging of windows by directing warm air onto the windshield,
• maintaining an even temperature in different zones of the cabin.

For petrol engines, a properly functioning heater is important not only for comfort but also for safety – it improves visibility through effective window defogging.

Compatibility and fitment for Mercedes W169

The presented component has been designed for the Mercedes W169 platform, which means a construction consistent with the manufacturer's factory solutions. Thanks to this:

• the geometry of the connections is matched to the original piping system,
• the dimensions allow for installation in the designated space without modifications,
• compatibility with the factory airflow control system is maintained.

Such fitment reduces the risk of leaks and installation issues, and also facilitates future service work.

Technical and operational characteristics

As a component from the Heat exchangers group, the heater operates in demanding conditions – in a coolant environment, under variable temperatures and pressures. The design intended for use in petrol engines ensures:

• adequate resistance to operating temperature fluctuations,
• proper flow capacity for the coolant,
• effective heat exchange surface for the ventilation system.

Selecting a part consistent with the original specification is crucial to avoid a drop in heating performance, uneven cabin heating, or problems with bleeding the cooling system.

Condition, application, and benefits of replacement

The offered heat exchanger is a used part, which allows for an economical repair of the heating system while maintaining the factory design. Heater replacement is particularly recommended in the case of:

• a noticeable drop in interior heating performance,
• fogged windows despite a functioning fan,
• coolant leaks in the dashboard area or a characteristic smell in the cabin.

Selecting an element consistent with the manufacturer's markings facilitates part identification by OEM number or interchangeable numbers, which is important for professional service maintenance.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the fuel system area in your petrol car and need other components from the same group, such as injectors, pumps, or a fuel tank, it is worth checking out the practical tips contained in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where diagnostics, selection by numbers, and operating principles are discussed.

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