Mercedes W221 C216 Electrical Handbrake Parking Adjuster Actuator A2214302849

Mercedes W221 C216 Electrical Handbrake Parking Adjuster Actuator is an original braking system component responsible for the precise tensioning of the parking brake mechanism. Thanks to its factory-engineered design, Mercedes ensures proper integration with the vehicle's electronics and stable performance during daily operation.

Specifications and technical data

• SKU: A2214302949-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2214302949
• Substitutable numbers: A2214302949, A 221 430 29 49, A221 420 13 85, A2214302849, A221 430 28 49, A2214201385, 10.2201-0149.4, 10220101494
• Category: Brake Cables

Application and function in the braking system

The presented electrical handbrake parking adjuster actuator operates on the rear axle, where it is responsible for the automatic engagement and release of the parking brake. This component works in conjunction with the vehicle's control module, converting electrical signals into mechanical movement that tensions the brake cables and keeps the vehicle in a secure parked position.

In high-end models such as the Mercedes W221 and C216, a properly functioning actuator is crucial for operational comfort – it enables convenient brake activation at the touch of a button and ensures uniform operation on both sides of the axle, which translates into stable immobilization of the vehicle.

Construction and compatibility

The electrical handbrake parking adjuster actuator has been designed as an OEM component, structurally matched to the factory Mercedes braking system. This means:

• maintaining the correct mounting geometry relative to the body and braking system,
• compatibility with factory electrical harnesses and connectors,
• cooperation with the vehicle's original control software.

As a result, installation is similar to replacing a factory part, without the need for wiring modifications or the use of adapters. This is a particularly beneficial solution for workshops that want to maintain consistency with the factory braking system architecture.

Operational characteristics and advantages of the used OEM component

The offered actuator comes from the original Mercedes parts group, which in practice means maintaining the operating parameters specified by the vehicle manufacturer. Compared to aftermarket replacements, the OEM component ensures:

• factory fitment for the specific generation of the braking system,
• proper cooperation with safety systems, such as ESP or Hill Start Assist,
• appropriate operating characteristics of the electric motor and gearbox.

Choosing a used OEM component is often a reasonable compromise between repair costs and maintaining high quality and technical compliance. This solution allows for reduced expenses while maintaining safe parking brake operation in a premium class vehicle.

Condition, verification, and preparation for installation

The item is offered as a used part, which means it has been removed from a vehicle and verified for suitability for further use. Such components are frequently chosen by professional workshops looking for original solutions at a more favorable price, while maintaining correct operating parameters.

Before installation, a standard service procedure is recommended: inspection of the electrical installation, checking the condition of the brake cables, and performing an adaptation/calibration of the parking brake in accordance with the vehicle manufacturer's procedure. This ensures stable operation of the entire system and avoids errors in the onboard systems.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as cables, linkages, or control mechanisms, check the available parts in the Mercedes brake cables category.

To better understand how the selection of appropriate components affects the durability and maintenance costs of the braking system, it is worth reading the guide on our blog: Brake calipers under the microscope: how to reduce repair costs by choosing proven recycled parts. You will find practical tips there regarding the safe use of used components in braking systems.