Mercedes C216 W221 Steering Column Wheel Angle Sensor Control Unit A2215451416

Mercedes C216 W221 Steering Column Wheel Angle Sensor Control Unit is a precision steering system component responsible for accurately reading the steering wheel position and transmitting signals to the vehicle's systems. As part of the Switches, control elements and ignition locks group, it works in conjunction with the body electronics, power steering, and safety systems, ensuring stable and predictable vehicle response. Using this OEM component allows you to maintain factory handling characteristics without the need for aftermarket replacements with uncertain parameters.

Specifications and technical data

• SKU: A2215451416
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2215451416
• Substitutable numbers: A2215451416, A 221 545 14 16
• Category: Switches & Controls

Application and function in the steering system

The presented steering angle sensor control unit operates directly on the steering column, monitoring the position and dynamics of the steering wheel rotation. This information is utilized by power steering systems, electronic stability control, and other comfort and safety systems that require a precise signal from the steering column.

By maintaining the original electrical and logical architecture, the module ensures:

• consistent operation with factory body control modules,
• correct interpretation of signals from the steering angle sensor,
• stable cooperation with power steering and electronic stability control systems.

Benefits of using an original Mercedes module

Choosing an original component from the Switches, control elements and ignition locks group in Mercedes vehicles allows you to maintain compliance with factory service documentation and diagnostic software. This is particularly important for components responsible for communication within the vehicle network, where even minor differences in signal characteristics can cause errors or system malfunctions.

Key advantages of using this module include:

• maintaining the factory logic of the steering system,
• reducing the risk of communication errors in the vehicle's bus,
• easier diagnostics using standard Mercedes service tools.

Installation and operational characteristics

The steering angle sensor module is designed for integration with the existing steering column, in accordance with the manufacturer's factory design. The used component allows for an economical repair while maintaining the high build quality typical of the Mercedes brand. Proper installation and adaptation in the vehicle (in accordance with service procedures) allow for the restoration of correct cooperation with control systems without the need for installation modifications.

Due to its role in the steering system, this component is particularly important when:

• clearing errors related to incorrect steering angle readings,
• performing repairs after collisions involving the steering column,
• diagnosing problems with the operation of electronic stability control systems.

Integration with other control elements

As part of the steering column control system, the module works with other elements from the same group, such as combination switches or the ignition lock. Structural and electrical consistency facilitates service and subsequent diagnostics, and the use of an original solution reduces the risk of incompatibility with the vehicle's software.

If you are planning a comprehensive repair or upgrade of the steering column area in your Mercedes and need other elements from the same group, such as combination switches, control elements, or ignition lock components, check the available parts in the Mercedes Switches, control elements and ignition locks category.

Safety and selection of used control elements

When choosing used control system components, it is worth paying attention to their origin and compatibility with the specific vehicle configuration. Proper selection of electronic components has a direct impact on driving safety and the correct operation of driver assistance systems. To better understand the principles of safely selecting sensitive components, it is worth reading the guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?.