Pressure Sensor Mercedes W447 Tyre Wheel Electronic TPM 433,92MHZ A4479051704

Mercedes W447 Tire Pressure Sensor A4479051704 is an original part from the tire pressure sensors category, designed for factory tire monitoring systems in Mercedes vehicles. This used OEM component ensures consistency with the car's electronics, accurate tire parameter reporting, and stable cooperation with safety systems.

Specifications and technical data

• SKU: A4479051704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4479051704
• Substitutable numbers: A4479051704, A 447 905 17 04
• Category: Tyre Pressure Monitoring Sensors

Purpose and Function of the Tire Pressure Sensor

The tire pressure sensor in Mercedes W447 models is responsible for continuously measuring tire parameters and transmitting them to the vehicle's control units. A properly functioning component:

• supports low-pressure warning systems,
• facilitates maintaining correct tire parameters,
• affects driving stability and predictable vehicle behavior,
• reduces the risk of uneven tire wear.

By using an original sensor from the same product line, the tire monitoring system retains its factory operating characteristics and compatibility with the vehicle's software.

Benefits of Using an Original Mercedes Sensor

Choosing an original tire pressure sensor for the Mercedes W447 ensures consistency with the vehicle's factory electrical architecture and communication. Key advantages include:

• reliable cooperation with safety systems – no need for universal solution adaptation,
• maintenance of factory reading and communication parameters with control modules,
• reduced risk of dashboard errors related to incompatible sensors,
• easier diagnostics at the service center due to the use of a part from the same component family.

A used OEM part offers a sensible compromise between cost and maintaining original build quality and fit for a specific vehicle platform.

Component Condition and Installation Aspects

The sensor belongs to the tire pressure sensors category and is offered as a used part, which helps reduce repair costs while preserving the original design. Before installation, it is recommended to:

• verify compatibility with the specific vehicle version (using VIN or service documentation),
• check communication correctness with the electronic system after installation,
• perform the sensor initialization/learning procedure according to the vehicle manufacturer's instructions.

Professional installation and correct sensor coding allow for the restoration of full tire pressure monitoring system functionality without the need for aftermarket solutions.

How to Consciously Choose Used Electronics and Sensors

When selecting a used tire pressure sensor, it is crucial to pay attention to compatibility with the OEM number and the vehicle family in which the part was used. It is also worth familiarizing yourself with practical tips for selecting and installing automotive electronics – the Global Parts guide thoroughly discusses them: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.

Related Products in the Same Category

If you are planning comprehensive service for your Mercedes' tire monitoring system and are also interested in other solutions from this group, such as additional sensors for a set of wheels or replacement parts for different body versions, check out the available parts in the Mercedes Tire Pressure Sensors category.