Mercedes W204 W164 W211 W212 C219 Water Pump Belt Pulley A1562050010

Mercedes W204 W164 W211 W212 C219 Water Pump Belt Pulley is an original component from the Water pumps group, designed for use in popular Mercedes C, E, M, and CLS class models. This used OEM part ensures proper power transmission to the coolant pump, which translates into stable engine cooling system operation and safe operating conditions.

Specifications and technical data

• SKU: A1562050010
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1562050010
• Substitutable numbers: A1562050010, A 156 205 00 10
• Category: Water Pumps

Purpose and function of the water pump pulley

The water pump pulley in Mercedes W204, W164, W211, W212, and C219 models is responsible for the mechanical connection between the engine accessory drive and the coolant pump. A correctly selected component ensures:

• stable torque transmission to the water pump,
• proper operation of the drive belt in alignment with other pulleys,
• maintenance of proper coolant circulation throughout the entire system. As a result, the cooling system maintains appropriate efficiency, and the engine operates within the intended temperature range, which reduces the risk of overheating and premature wear of components.

Benefits of using an original Mercedes pulley

Using an original pulley from the Water pumps group in Mercedes vehicles allows for maintaining the factory performance parameters of the cooling system. The component is designed for specific power units and accessory architecture, which translates into:

• precise fitment to the water pump and other pulleys,
• correct belt tracking, without unwanted skipping or excessive vibrations,
• maintenance of proper accessory drive geometry, which is essential for long-term operation. The used OEM part is a cost-effective solution that is also technically consistent with the vehicle's factory design, which is particularly important for premium class cars such as Mercedes.

Selection, compatibility, and installation aspects

The water pump pulley dedicated to the W204, W164, W211, W212, and C219 series should be selected based on vehicle data and manufacturer markings to ensure full compatibility with a specific engine version. Proper selection of the component helps avoid problems with belt alignment, excessive noise, or premature wear of water pump bearings. During installation, it is recommended to:

• check the condition of the drive belt and other pulleys,
• verify the alignment of the entire belt path after installation,
• thoroughly clean the contact surface with the water pump hub. Such an approach minimizes the risk of subsequent leaks, noise, or vibrations within the accessory drive system.

Condition of the component and use in service practice

The offered water pump pulley is a used component, which makes it an attractive solution for maintenance repairs when it is crucial to keep costs reasonable while using a part originating from the original Mercedes system. This type of component works well both during standard water pump replacement and during broader work within the cooling or accessory drive system. In service practice, installing an original pulley allows for maintaining the structural integrity of the entire system, which is especially important in vehicles used intensively or with higher mileage, where the stability of the cooling system has a direct impact on the durability of the power unit. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as pump housings, impellers, or bodies, check the available parts in the Mercedes Water pumps category. To better understand the relationships between fuel and cooling system components and to correctly select parts by manufacturer markings, it is worth reading the guide on our blog: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.