Mercedes W177 Front Wheel Hub Bearing Left N/S A2474210120

Mercedes W177 Front Wheel Hub Bearing Left N/S is an original chassis component from the Wheel bearings, hubs and bushings group, designed for installation on the front left axle. This used hub with an integrated bearing allows for a technically correct suspension repair, maintaining handling stability and proper cooperation with other chassis components in the Mercedes W177 compact class.

Specifications and technical data

• SKU: A2474210120
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2474210120
• Substitutable numbers: A2474210120, A 247 421 01 20
• Location on the vehicle: Front, Left
• Part type: Wheel Hub
• Category: Wheel Bearings, Hubs & Seals

Purpose and vehicle placement

The presented wheel hub with bearing is structurally designed for operation on the front left side of the vehicle. It is responsible for transferring loads from the wheel to the steering knuckle, ensuring stable rotation of the wheel assembly, and maintaining the correct suspension geometry in the Mercedes W177. Placement on the front axle means that the component works directly with the steering system, braking system, and suspension, which is why its correct selection is important for:

• driving precision at various speeds,
• even tire wear,
• reducing vibrations and noise coming from the wheel area,
• safe operation of the braking system.

Technical characteristics and the role of the bearing

The hub integrated with the bearing forms a complete wheel support assembly, where the bearing is responsible for smooth axial rotation while maintaining appropriate rigidity. In the case of the Mercedes W177, using a complete hub-bearing assembly facilitates service, as the replacement is performed as a single mounted module, without the need for separate bearing seating. Such a solution:

• reduces the risk of assembly errors during bearing pressing,
• ensures proper fitment of mating components,
• facilitates technical condition checks during inspections,
• speeds up the chassis repair process.

Benefits of using an original Mercedes hub

The original Mercedes wheel hub with bearing is designed for the specific W177 platform, which translates into dimensional fitment, appropriate bearing operating characteristics, and compatibility with factory suspension and brake components. Using such a component allows for maintaining factory handling parameters and driving comfort. The main advantages include:

• Consistency with factory design – maintaining the rigidity and operating characteristics of the chassis as intended by the manufacturer.
• Proper cooperation with sensors and associated elements (e.g., braking system), if provided in the given vehicle variant.
• Possibility of use as a replacement in service repairs without interfering with the suspension structure.

Component condition and service application

The wheel hub with bearing is offered as a used component, which allows for an economical repair while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where symptoms such as increasing noise from the wheel area, noticeable play in the hub, or uneven tire wear resulting from bearing operation occur. Replacing the hub assembly on the front left side is recommended in case of excessive bearing wear, mechanical damage after a collision, or during a comprehensive suspension rebuild in the Mercedes W177.

Related components from the same group

If you are planning a comprehensive repair or upgrade of the chassis area in your Mercedes and need other elements from the same group, such as additional hubs, wheel bearings, or suspension bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category. To better understand the importance of using original components in premium vehicles and the selection of used parts by identification numbers, it is worth reading an article describing the specifics of Audi five-cylinder units and the practice of choosing OEM parts – you can find it here: Audi five-cylinder engine – a legend from Quattro to RS3 and how to maintain it with original Audi parts.