Rear Wishbone Mount Mercedes W177 W247 Control Arm Axle Left N/S A2473503700

The Rear Left Control Arm Bracket for Mercedes W177/W247 is an original part from the Control Arms & Ball Joints group, designed for installation on the rear axle, left side. Engineered by the vehicle manufacturer, it ensures proper wheel guidance, stable support for the control arm, and predictable suspension behavior during driving.

Specifications and technical data

• SKU: A2473503700
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473503700
• Substitutable numbers: A2473503700, A 247 350 37 00
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in the Suspension

The rear left control arm bracket is responsible for the precise mounting of the control arm to the vehicle's body structure, which directly affects the rear axle geometry. A correctly selected part in this location limits undesirable movements, improves stability at higher speeds, and supports even tire wear.

The placement on the vehicle, specified as rear – left side, allows for unambiguous identification of the mounting position and avoids errors when selecting parts for specific body versions of the Mercedes A-Class (W177) and B-Class (W247).

Benefits of Using an Original Bracket

Using an original bracket on the rear axle offers a range of practical operational benefits:

• maintaining the vehicle's original handling characteristics,
• better cooperation with other suspension components, such as control arms and ball joints,
• reducing play and knocking noises in the rear suspension,
• more stable vehicle behavior during braking and load changes.

Thanks to its precise fit for the specific axle and side of the vehicle, the bracket helps maintain correct geometry, which translates to safer handling and predictable car response in everyday driving.

Application in Service Practice

The rear left control arm bracket is suitable for both typical repairs after mechanical damage and for more extensive suspension servicing, including the replacement of control arms, bushings, or ball joints. This component is particularly important in situations where:

• there are problems with maintaining alignment on the rear axle,
• there is uneven tire wear on the left side,
• there is noticeable play or noise in the rear suspension.

Selecting the correct bracket for a specific Mercedes A-Class or B-Class version helps reduce diagnostic and installation time, and also facilitates subsequent geometry adjustments.

Integration with Other Suspension Components

The bracket works directly with the control arm and mounting elements, creating a stable reference point for the entire system's operation. In conjunction with correctly selected bushings and ball joints, it allows for the maintenance of consistent, factory suspension characteristics, which is particularly important in modern Mercedes designs.

To better understand the role of such components in the overall system, it is worth consulting specialized technical materials – a practical addition to your knowledge would be the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses the relationships between individual suspension elements in popular models from various brands.

Expanding Suspension Work on Mercedes

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other parts from the same group, such as additional control arms, ball joints, or mounting brackets, check the available parts in the Mercedes Control Arms & Ball Joints category.