Mercedes W169 W204 W246 Outside Air Temperature Sensor A0075421313

Mercedes W169 W204 W212 W906 Temperature Sensor is an original part from the temperature sensors category, designed for precise monitoring of operating conditions in selected Mercedes models. A used OEM component allows for maintaining factory system parameters, ensuring stable electronics operation and repeatable temperature readings.

Specifications and technical data

• SKU: A0075421313
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0075421313
• Substitutable numbers: A0075421313, A 007 542 13 13
• Category: HVAC Temperature Sensors

Application and Function of the Temperature Sensor

The temperature sensor in Mercedes W169, W204, W212, and W906 models is responsible for measuring the current temperature in a specific area of the vehicle and transmitting the signal to the control units. A properly functioning component enables:

• stable operation of engine and auxiliary systems control units,
• precise adjustment of operating parameters to current conditions,
• reduction of the risk of overheating or incorrect regulation.

By maintaining the factory signal characteristics, the sensor works with the vehicle's electronics without the need for modifications to the wiring or software.

Compatibility with Mercedes Models

The presented temperature sensor has been designed for selected generations of Mercedes A-Class (W169), C-Class (W204), E-Class (W212), and the W906 van. This means that the connector geometry, mounting method, and electrical characteristics are matched to the factory wiring harness and control units of these vehicles.

To select the correct part, it is advisable to use the OEM number or interchangeable numbers and compare the configuration with the currently installed sensor. This helps to avoid compatibility issues and ensures proper cooperation with the existing system.

Benefits of Using an Original Temperature Sensor

Choosing an original Mercedes temperature sensor offers a number of practical advantages:

• Factory Electrical Match – correct resistance and temperature characteristics guarantee accurate readings by the control units.
• Appropriate Geometry and Connector – the sensor fits the factory socket, which facilitates installation and minimizes the risk of wiring damage.
• Stable Operation of Control Systems – a correct signal from the sensor supports smooth operation of the engine and other temperature-dependent systems.

Therefore, replacing a worn-out part with an original temperature sensor allows for restoring the correct system operation without interfering with the software or wiring harness.

Condition of the Part and Installation Aspects

The offered temperature sensor is a used part, which in practice means the possibility of an economical repair while maintaining the original manufacturer's specifications. Before installation, a standard visual inspection of the connector and socket is recommended, along with cleaning the contact surface to ensure a reliable electrical connection.

The replacement process itself is usually straightforward and can be performed by a workshop specializing in the Mercedes brand or an experienced mechanic, following basic safety procedures when working with the vehicle's electrical system.

Selection of Used Electronics and Sensors – Technical Support

When choosing a used temperature sensor, correct matching by OEM number, interchangeable numbers, and the vehicle's specific installation configuration is crucial. A detailed discussion of selection principles, including the importance of hardware and software compatibility, can be found in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

If you need other parts from the range of precision temperature sensors dedicated to vehicles of this brand, check the available parts in the Mercedes Temperature Sensors category.