Mercedes W414 Brake Disc Splash Guard Cover Rear Right O/S A1684230220

Mercedes W414 Rear Right Brake Disc Shield A1684230220 is an original brake system component designed for installation on the rear right side of the vehicle. This carefully engineered shield provides stable protection for the disc against contaminants, promoting even brake operation and extending their lifespan. It's a practical solution for owners who want to maintain the factory braking characteristics of their Mercedes while optimizing service costs with a used part.

Specifications and technical data

• SKU: A1684230220
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1684230220
• Substitutable numbers: A1684230220, A 168 423 02 20
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and Function of the Brake Disc Shield

The presented shield operates in the rear brake system on the right side of the vehicle. Its purpose is to limit direct contact of the disc with water, mud, and small stones, which helps maintain stable operating conditions for the pads and disc. This makes the braking system less susceptible to accelerated wear caused by external factors.

A properly selected shield also contributes to operational comfort – it reduces the risk of unwanted noises caused by foreign objects entering the disc area and makes it easier to keep this area clean during service inspections.

Benefits of Using an Original Mercedes Part

The shield was designed by the vehicle manufacturer, ensuring a precise fit with the geometry of the wheel hub, disc, and other components of the rear brake system. The absence of the need for modifications or adjustments to mounting points shortens installation time and reduces the risk of service errors.

The main advantages of using this component include:

• maintaining the factory operating characteristics of the rear brake on the right side,
• compatibility with other brake system components,
• easier diagnostics and service by service technicians due to predictable design,
• economical repair while adhering to manufacturer standards.

Installation and Operational Characteristics

The shield is intended for installation in the rear of the vehicle on the right side, in close proximity to the brake disc. The design anticipates cooperation with factory mounting points, which facilitates the mechanic's work and allows for efficient replacement during standard brake service.

As a used part, this product offers a reasonable compromise between cost and maintaining the vehicle's original specifications. It is a particularly useful solution for operational repairs where restoring proper brake disc protection without altering the system's structure is a priority.

Application in the Braking System and Safety

A correctly selected brake disc shield is important for the stable operation of the entire braking system, especially under conditions of intensive use or driving on more challenging terrain. Limiting the disc's contact with contaminants helps maintain a uniform working surface and can reduce the risk of localized overheating caused by dirt accumulation.

Replacing a damaged or corroded shield with a functional part restores proper operating conditions for the rear brake on the right side, which is important for both safety and the durability of other components.

Expanding Brake System Modernization

If you are planning a comprehensive repair or modernization of the braking zone in your Mercedes and need other parts from the same group, such as additional shields, complementary mudguards, or protective elements within the wheel arch, check the available parts in the Mercedes Mudguards category.

For modernization projects where you combine the replacement of protective elements with other vehicle modifications, it is worth considering the use of used parts as a way to optimize your budget without compromising on components that are compatible with the factory design. Practical tips for such an approach can be found in the article Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, which discusses the safe and informed use of aftermarket components.