Bleed Line Mercedes W204 W212 Coolant Expansion Tank Shut Off Valve A2702001600

The Mercedes W204 W212 Water Solenoid Valve for M270 Gasoline Engines is a precise cooling system component responsible for controlled fluid flow in M270 series gasoline engines. The original Mercedes design ensures proper fitment with factory installations and stable operating parameters under typical usage conditions. Using a pre-owned solenoid valve allows for a technically sound repair without the need for aftermarket replacements of uncertain quality.

Specifications and technical data

• SKU: A2702001600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2702001600
• Substitutable numbers: A2702001600, A 270 200 16 00
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Solenoid Valve Function in the Cooling System

The water solenoid valve in an M270 gasoline engine controls the flow of coolant between various circuits, which contributes to stabilizing the operating temperature of the powertrain and associated components. A properly functioning valve:

• enables precise dosing of coolant flow based on engine load,
• supports the maintenance of optimal operating temperature,
• reduces the risk of overheating in urban conditions and under higher loads,
• ensures correct interaction with the engine control system.

Consequently, the water solenoid valve for gasoline engines is a crucial element affecting the powertrain's durability and operational stability.

Designed for M270 Gasoline Engines

The presented solenoid valve is designed to work with M270 gasoline engines used in Mercedes W204 and W212 models. Appropriate geometric and electrical compatibility allows for installation in place of the factory component without requiring any modifications to the existing system.

Selecting the correct valve for a specific engine is critical for:

• maintaining the correct coolant flow characteristics,
• proper interaction with the factory engine control unit,
• ensuring compatibility with the original cooling system architecture.

Benefits of Using an Original Mercedes Part

Choosing an original Mercedes water solenoid valve from the Hoses, Pipes & Tubes category allows for the preservation of the cooling system's factory operating parameters. Compared to random aftermarket alternatives, an original part offers:

• structural consistency with other cooling system components,
• appropriately selected flow and control characteristics,
• adherence to the vehicle manufacturer's design specifications.

A used, original component often represents a sensible compromise between repair cost and maintaining proper technical specifications, especially for precise fluid flow control elements.

Condition, Verification, and Part Selection

The solenoid valve is offered as a used part, which in workshop practice is often an effective solution for repairing cooling systems in vehicles several years old. Before installation, a standard check of the electrical system and cooling system's tightness is recommended to rule out other potential sources of faults.

When selecting a part, it is worth paying attention to:

• compatibility with the engine type (in this case, the M270 gasoline unit),
• belonging to the correct model group (W204, W212),
• consistency with the vehicle's existing cooling system configuration.

If you are considering whether a used or refurbished part would be a better solution, an article describing the practical differences between these approaches might be helpful – you can find more information in the material Refurbished or Used Original – Which Part to Choose for Repair?.

Related Mercedes Cooling System Components

During cooling system service, it is advisable to simultaneously check the condition of flexible hoses, rigid pipes, and other components responsible for coolant transport to avoid repeated interventions in a short period. If you are planning a comprehensive cooling system service for your vehicle of this brand and need other parts from the same group, check the available parts in the Mercedes Hoses, Pipes & Tubes category.