TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045

Mercedes W221 S500 C216 Tire Pressure TPM Module RDK A2215408045 is a specialized component from the Electronic Control Units and Controllers group, responsible for monitoring tire pressure in selected Mercedes-Benz luxury class models. A used TPM module allows for the restoration of correct tire pressure monitoring system functionality, ensuring stable communication with sensors and clear warnings to the driver about irregularities.

Specifications and technical data

• SKU: A2215408045
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2215408045
• Substitutable numbers: A2215408045, A 221 540 80 45
• Category: ECUs & Computer Modules

TPM RDK Module Function and Application

The presented TPM module is designed to work with the factory tire pressure control system in Mercedes-Benz luxury vehicles. It is responsible for:

• receiving signals from pressure sensors installed in the wheels,
• analyzing tire parameters in real-time,
• transmitting information to the instrument cluster or onboard system,
• generating warning messages when pressure drops.

This allows the driver to receive quick information about potential tire problems, supporting safe and predictable vehicle operation and reducing the risk of mechanical damage resulting from driving with underinflated tires.

Benefits of Using an Original Mercedes Module

The TPM module from this offer comes from the Mercedes-Benz product line, which means maintaining the factory system logic and compatibility with the vehicle's electrical architecture. In practice, this translates to:

• consistent communication with other control units in the vehicle,
• correct handling of messages on the onboard displays,
• diagnostics capability using professional service testers,
• reduced risk of errors resulting from the use of unsuitable aftermarket parts.

Choosing an original module from the Electronic Control Units and Controllers group is particularly important in premium vehicles, where an extensive network of control units requires precisely matched components.

Product Characteristics and Installation

The offered part is in Used condition, meaning it has been removed from a vehicle and previously operated. This type of part is an attractive solution for workshops and owners who want to restore full TPM system functionality while maintaining reasonable repair costs.

The module is designed for installation in place of the factory tire pressure control system controller. When replacing, it is recommended to:

• verify compatibility by OEM number and interchangeable numbers,
• perform post-installation diagnostics and potential adaptation in the vehicle,
• check the condition of the tire pressure sensors in the wheels to ensure proper cooperation of the entire system.

This approach ensures stable operation of the tire pressure monitoring system and reduces the risk of repeated service interventions.

Mercedes Electronic Control Units and Controllers – Expansion and Service

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Mercedes-Benz and need other components from the same group, such as comfort control units, body modules, or safety system controllers, check the available parts in the Mercedes-Benz Electronic Control Units and Controllers category.

Technical Support and Safe Selection of Used Control Units

When working with vehicle electronics – including modules responsible for comfort and safety systems – correct part matching and a conscious approach to purchasing used parts are crucial. In the context of control units and onboard systems, it is worth familiarizing yourself with practical tips on diagnostics, programming, and component selection, which can be found in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?. Although the description concerns a different brand, the principles of working with electronics and control units discussed there are also helpful for servicing Mercedes-Benz vehicles.

If you want to further streamline the process of selecting used parts and learn about good purchasing practices, the guide Safe Online Purchase of Used Car Parts – A Step-by-Step Guide will be useful. It discusses, among other things, the importance of OEM numbers, seller verification, and ways to minimize risks when buying used electronic modules.