Mercedes W447 Brake Disc Plate Cover Left N/S 114 CDI 651950 A4474210100

Mercedes W447 Brake Disc Plate Cover Left N/S 114 CDI is an original brake system component designed for installation on the left side of the vehicle. It provides effective protection for the brake disc against contaminants, moisture, and minor mechanical damage, which promotes stable brake performance. Thanks to its factory origin from the Mercedes range, the correct dimensions, geometry, and mounting method are maintained, which are essential for precise maintenance of the front or rear axle.

Specifications and technical data

• SKU: A4474210000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4474210000
• Substitutable numbers: A4474210000, A 447 421 00 00
• Location on the vehicle: Left
• Category: Other Brake Parts

Purpose and technical function

The described brake disc plate cover has been designed specifically for the Mercedes W447 114 CDI series, taking into account the characteristics of the engine unit and the loads acting on the brake system. The component mounted on the left side of the vehicle limits the direct contact of the disc with water, mud, road salt, and small stones, which helps reduce the risk of accelerated corrosion and uneven wear of the working surface.

The use of a dedicated cover is particularly important in commercial and delivery vehicles, where the brake system operates in variable and often demanding conditions. A correctly selected component supports braking force stability and also makes it easier to keep the disc and pads in proper operating condition.

Benefits of using an original cover

Using an original cover in the Mercedes W447 model provides a number of practical benefits:

• secure fit to the hub, steering knuckle, and brake disc on the left side of the vehicle,
• preservation of the factory airflow geometry around the disc, which promotes cooling,
• limitation of contaminants entering the friction zone,
• easier visual inspection of the condition of the disc and pads during service checks.

A component from the Mercedes range allows for maintaining the structural integrity of the brake system, which is important both from the point of view of safety and subsequent service maintenance. A used component can be a cost-effective solution while maintaining the correct mounting parameters.

Selection and installation in the vehicle

The cover is intended for installation on the left side, which is crucial when selecting parts – the design and spacing of the mounting points are asymmetrical relative to the side of the vehicle. Before installation, it is recommended to verify compatibility with the specific body version and brake system of the given Mercedes W447 114 CDI unit.

During installation, it is worth paying attention to:

• correct positioning relative to the disc, without rubbing against its surface,
• thorough cleaning of mounting points from corrosion and dirt,
• checking the condition of adjacent brake system components (disc, caliper, lines).

Careful installation of the cover promotes even brake operation and reduces the risk of unwanted noises resulting from the component coming into contact with the disc or other parts.

Integration with other brake system components

The brake disc plate cover works with the disc, caliper, pads, and suspension components, creating a cohesive system responsible for effective braking. In vehicles with increased power and weight, such as the Mercedes W447 114 CDI, proper disc protection is important for the repeatability of braking force during intensive use.

For those interested in comparing solutions used in more powerful versions of cars, including brakes and chassis, material discussing the structural differences in sports models may be helpful – details can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?.

Expanding brake zone maintenance in Mercedes

If you are planning a comprehensive repair or upgrade of the brake zone in your Mercedes and need other elements from the same group, such as discs, pads, or brake lines, check the available parts in the Other Mercedes category.