Mercedes W447 119 CDI Front Left N/S Suspension Leg Brake Wheel Hub Disc Caliper

Mercedes W447 Strut Knuckle Shock Absorber Suspension Wheel Left Front is a complete drivetrain component designed for the front axle on the driver's side. The set combines key components responsible for wheel guidance, vibration damping, and vehicle stability, providing a cohesive and technically correct service solution. It is a practical choice for users expecting precise fitment, correct geometry, and predictable vehicle behavior.

Specifications and technical data

• SKU: A4473204538-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4473204538
• Substitutable numbers: A4473204538, A 447 320 45 38, A4473300620, A 447 330 06 20, A4474208400, A 447 420 84 00, A6394210012, A 639 421 00 12
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Vehicle Placement

The presented component belongs to the category of Suspension Replacement Kits and is intended for the front, left side of the vehicle. It is responsible for the correct connection of the wheel to the body, transferring loads from the road, and maintaining the proper position of the hub relative to the shock absorber and other suspension components.

Placement on the vehicle (front axle, left side) is crucial for:

• maintaining correct wheel geometry and driving stability,
• even distribution of forces during braking and acceleration,
• precise vehicle handling in corners.

Technical Characteristics of the Kit

Combining the strut, knuckle, shock absorber, and wheel suspension elements into a single assembly simplifies the service process and reduces the risk of assembly errors. The kit is designed to work with factory solutions used in Mercedes W447 models, which translates to:

• maintaining original mounting points and suspension kinematics,
• compatibility with standard steering and braking system components,
• cohesive operation with vehicle safety systems.

This allows for a structured restoration of correct suspension operating parameters when replacing a damaged or worn assembly, without the need for structural modifications.

Benefits of Using an Original Mercedes Part

The product comes from the Mercedes range, which means adherence to factory design assumptions and quality standards. An original wheel suspension assembly ensures:

• appropriate rigidity and durability of load-bearing elements,
• correct interaction with other drivetrain components,
• reduced risk of improper fit compared to random aftermarket parts.

As a used part, it allows for economical repair while maintaining a design consistent with factory solutions, which is particularly important for premium vehicles where suspension geometry directly impacts driving comfort and safety.

Practical Application in Servicing

Replacing the complete front left wheel suspension assembly is recommended in cases of mechanical damage (e.g., after a collision, hitting a curb) or significant wear of multiple components simultaneously. Using a single, cohesive kit:

• simplifies the diagnostic and assembly process,
• reduces the number of potential mismatch points,
• facilitates subsequent wheel alignment.

For workshops and individual users, this means a more predictable repair outcome and the ability to restore proper vehicle handling in a single service stage.

Technical Support and Additional Materials

If you are planning comprehensive service for your Mercedes' drivetrain and are also considering other components from this group, it is worth expanding the repair with additional parts – in such cases, to select compatible solutions for the front axle, check the available parts in the Mercedes Suspension Replacement Kits category.

When deciding to install a used suspension assembly, practical tips on selecting original dismantled parts can be helpful – you can find more information on this topic in the article Used Mercedes Parts – Original Dismantled Parts, which discusses the advantages of using factory components in this brand's vehicles.