Mercedes-Benz C E W202 W210 SLK R170 Auxiliary Water Heater Pump A0018351364

Mercedes-Benz C E W202 W210 SLK R170 Auxiliary Water Heater Pump is a specialized component from the Water pumps category, designed to support fluid circulation in the vehicle's heating system. This used original component ensures consistency with the factory installation, and its design is tailored to the requirements of Mercedes-Benz mid-size and sports models. It is a practical solution for users who want to restore the proper operation of the heating system without interfering with the vehicle's factory architecture.

Specifications and technical data

• SKU: A0018351364
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0018351364
• Substitutable numbers: A0018351364, A 001 835 13 64, BG
• Location on the vehicle: Rear
• Offset (ET):
• Category: Water Pumps

Purpose and function in the heating system

The described auxiliary pump works with the cooling and heating system, supporting fluid circulation in the rear part of the vehicle. Its task is to stabilize the flow of the heating medium, which translates into even heat distribution in the cabin and predictable system behavior under varying engine loads. Thanks to its fitment for specific Mercedes-Benz models, this component integrates seamlessly with factory hoses, mounts, and controls.

Compatibility with Mercedes-Benz models

The pump is intended for use in popular Mercedes-Benz C-Class and E-Class models, as well as the SLK R170 generation roadster. This targeted application ensures compliance with the factory operating parameters of the cooling and heating system, without the need for adaptation or modification of the installation. For the user, this means predictable installation and the maintenance of operating characteristics consistent with the vehicle manufacturer's specifications.

Installation and operational characteristics

The placement of the pump in the rear of the vehicle requires a component with appropriately selected geometry and connections, which facilitates integration with the existing installation. The used original component allows for the retention of factory hose routing and mounting points, which reduces installation time and minimizes the risk of leaks. This type of solution is particularly beneficial for servicing vehicles where maintaining the original system configuration is a priority.

Benefits of using an original auxiliary pump

Using an original auxiliary water pump in Mercedes-Benz cars translates into:

• maintaining the factory characteristics of fluid circulation in the heating system,
• consistency with the existing hydraulic and electrical installation,
• reducing the risk of issues with connection and mounting fitment,
• the possibility of predictable diagnostics based on the vehicle manufacturer's documentation.

For workshops and individual users, this means a more controlled repair process and easier maintenance of stable heating system operating parameters.

If you are planning a comprehensive repair or upgrade of the cooling and heating system area in your Mercedes and need other elements from the same group, such as main pumps, fluid hoses, or auxiliary circuit components, check the available parts in the Mercedes water pumps category.

Part selection, fuel system, and diagnostics

When replacing components responsible for the circulation of cooling and heating fluid, it is worth verifying the condition of other systems in parallel, including the engine fuel supply. A properly functioning fuel system affects the stable operating temperature of the power unit, and thus the load on the cooling system. To better understand the relationships between pumps, injectors, and the fuel tank, and to correctly select components by catalog numbers, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Informed choice of a used water pump

Choosing a used cooling and heating system component is a solution that allows for cost optimization of service while maintaining compliance with factory specifications. However, it is crucial to pay attention to the origin of the part, its intended use for a specific model, and compatibility with the vehicle's mounting system. For those who want to better prepare for purchasing components from the secondary market, the following guide may be useful: Buying used car parts – the most common mistakes when choosing tuning parts, which helps avoid typical errors when selecting components.

Summary

Mercedes-Benz C E W202 W210 SLK R170 Auxiliary Water Heater Pump is a practical service solution for users who want to restore proper fluid circulation in the heating system while maintaining the vehicle's factory configuration. The original design, fitment for specific models, and the ability to integrate with the existing installation make it a beneficial choice for both workshops and individual users who care about the technical consistency of their car.