Mercedes W203 C 200 CDI OM646 Front Right O/S Suspension Leg Wheel Brake Carrier

Mercedes W203 C 200 CDI OM646 Front Right O/S Suspension Leg Wheel Brake Carrier is a complete wheel carrier component designed for operation on the front axle on the passenger side. This suspension replacement kit ensures stable handling, precise hub mounting, and effective load transfer from the chassis to the body, supporting safe and predictable suspension performance.

Specifications and technical data

• SKU: A2033204130-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2033204130
• Substitutable numbers: A2033204130, A 203 320 41 30, A2043320201, A 204 332 02 01, A0034202283, A 003 420 22 83, A2034210312, A 203 421 03 12
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Application and function in the chassis system

The described front right suspension assembly with wheel carrier and brake caliper mount is intended for installation in the Mercedes C-Class W203 generation, specifically the C 200 CDI version with the OM646 engine. This component is responsible for a rigid yet appropriately flexible connection between the wheel and the suspension strut, as well as for the correct positioning of the brake disc and caliper relative to each other.

Thanks to the precise geometry of the factory Mercedes solution, this assembly contributes to:

• maintaining proper wheel alignment and camber angles,
• driving stability during braking and acceleration,
• even wear of tires and brake components,
• proper interaction with the shock absorber, spring, and control arms.

Construction and key technical features

The Mercedes W203 C 200 CDI OM646 Front Right O/S Suspension Leg Wheel Brake Carrier serves as a structural support to which chassis and braking system components are attached. It has been designed specifically for the front axle on the right side, which guarantees a perfect fit for the factory suspension architecture of the Mercedes W203.

The most important features include:

• dedicated vehicle placement – front, right side,
• integration of the wheel hub mount with suspension component brackets,
• adaptation for use with the factory braking system,
• construction compliant with the vehicle manufacturer's specifications, facilitating installation.

An assembly configured in this way allows for the retention of original handling and braking parameters without the need to modify other sub-assemblies.

Benefits of using an original suspension assembly

Using an original suspension assembly with a wheel carrier and brake carrier in a Mercedes W203 C 200 CDI brings a number of practical benefits. Above all, it ensures compliance with factory suspension geometry, which translates into predictable vehicle behavior in corners and during emergency braking.

The most important advantages include:

• secure fit to the body and other chassis components,
• retention of design rigidity and suspension operating characteristics,
• reduction of the risk of incorrect wheel alignment after repair,
• possibility of using the existing brake architecture without modifications.

For the user, this means more predictable handling, better vehicle control, and easier diagnostics of any future suspension faults.

Condition, origin, and selection of parts

The offered item comes from dismantling and is sold as a used suspension assembly, which allows for optimizing repair costs while maintaining the original manufacturer's specifications. This solution is particularly beneficial for major post-collision repairs or when replacing several components on the front axle simultaneously.

To select the correct assembly for your Mercedes, it is worth paying attention to:

• compatibility of the model and engine version (W203 C 200 CDI with OM646 unit),
• placement on the vehicle – front, right side,
• belonging to the Suspension replacement kits group, which facilitates the completion of other repair elements.

In case of any doubts during selection, the manufacturer's markings and information on interchangeable part numbers available in the product's technical specification are helpful.

Operation of used suspension components

When installing a used suspension assembly with a wheel carrier and brake carrier, it is recommended to thoroughly check the condition of the cooperating components – bearings, rubber-metal elements, mounting bolts, and brake lines. Proper installation and geometry check after replacement allow for fully utilizing the potential of the part and reducing wear on other sub-assemblies.

If you want to better take care of the durability of dismantled parts, including suspension and braking systems, it is worth reading the practical tips described in the article How to extend the life of used car parts?, where maintenance and operation principles for such components are discussed.

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other elements from the same group, such as struts, control arms, or additional mounts, check the available parts in the category Mercedes suspension replacement kits.