Mercedes CL500 W215 Temperature Sensor To Valve Block Pipe Line M113 A2209977982

Mercedes CL500 W215 Temperature Sensor To Valve Block Pipe Line is an original temperature measurement system component, designed for precise compatibility with the M113 engine in the luxury CL-class model. As part of the Lines, Hoses and Pipes group, it is responsible for a stable, electrically correct connection between the sensor and the vehicle's wiring, which translates into the proper operation of the engine control unit. This is a solution for users who are looking for a factory fit and want to maintain the consistency of the equipment in their Mercedes.

Specifications and technical data

• SKU: A2209977982
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2209977982
• Substitutable numbers: A2209977982, A 220 997 79 82
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function in the engine system

The temperature sensor line in the Mercedes CL500 W215 with the M113 unit is responsible for the secure transmission of the signal from the sensor to the vehicle's electronics. A stable temperature reading is crucial for:

• proper fuel dosing and injection system operation,
• control of ignition parameters and protection of the engine against overheating,
• correct operation of auxiliary systems that depend on the engine temperature. By maintaining the original geometry and connectors, the line allows for secure seating in the wiring harness and minimizes the risk of signal interference, which supports stable engine control unit operation.

Construction and fitment for Mercedes CL500 W215 M113

The component has been designed specifically for the M113 powertrain in the W215 body, which means a properly selected length, connector type, and routing method in the engine bay. The appropriate profiling of the line facilitates installation in factory mounting points and reduces mechanical stress during engine operation. The original connectors ensure proper electrical contact with the temperature sensor and the wiring harness, which limits the risk of circuit breaks and diagnostic errors. Using a dedicated line instead of universal replacements helps maintain electrical system integrity and facilitates subsequent service diagnostics.

Benefits of using the original temperature sensor line

Choosing a temperature sensor line dedicated to the CL500 W215 M113 is a solution that allows you to maintain engine performance parameters in accordance with the manufacturer's specifications. The main advantages include:

• factory fitment for the specific model and engine unit,
• proper cooperation with the original temperature sensor,
• reduced risk of control unit errors resulting from an unstable signal,
• easier installation thanks to the preservation of serial geometry and routing points. For users who care about technical correctness of repairs and maintaining the operating characteristics of the M113 engine, using such a component is a practical way to maintain repeatable operational parameters.

Condition, verification and service application

The offered line comes from dismantling and is an original Mercedes brand component, which is important when servicing high-end vehicles, where compliance with factory documentation matters. This type of part will work well both for routine repairs and for restoring the completeness of engine equipment after major mechanical work. The temperature sensor line is particularly useful in situations where the vehicle experiences:

• intermittent temperature sensor errors in computer diagnostics,
• traces of previous wiring repairs or non-factory modifications,
• mechanical damage to the harness in the vicinity of the sensor (abrasions, insulation cracks).

Related components and service knowledge

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 additional lines, hoses, or auxiliary system pipes, check the available parts in the Mercedes Lines, Hoses and Pipes category. For users who want to better understand the relationships between engine equipment, sensors, and the durability of Mercedes engines, the following guide article may be helpful: Reliability under the star sign – how to take care of engine equipment in popular Mercedes-Benz C and E-class models?. It allows you to organize your knowledge about typical operational problems and proper service practices.