Mercedes A B W169 W245 Front Left N/S Suspension Control Arm Track A1693300907

Mercedes A B W169 W245 Front Left N/S Suspension Control Arm Track is an original component from the Control arms and ball joints group, designed for operation in the front suspension on the driver's side. This used OEM part ensures factory geometry, robust construction, and predictable vehicle behavior during braking, acceleration, and cornering.

Specifications and technical data

• SKU: A1693300907
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1693300907
• Substitutable numbers: A1693300907, A 169 330 09 07, A1693300307, A 169 330 03 07, BG
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

This control arm is designed for installation in the front suspension on the left side, where it is responsible for precise wheel guidance relative to the body. The component works with other suspension parts to stabilize the hub position and maintain proper wheel alignment, which translates into predictable vehicle handling and even tire wear.

The original design for Mercedes A-Class W169 and B-Class W245 models ensures compatibility with factory mounting points, proper rigidity, and the correct operating characteristics of the ball joint. As a result, the suspension system maintains the parameters specified by the vehicle manufacturer.

Construction and technical properties

The control arm belongs to the Control arms and ball joints group, meaning it combines load-bearing and articulated functions. The rigid arm transfers loads from the wheel to the body, while the integrated ball joint allows for smooth suspension movement in multiple planes, without unwanted play or knocking when in proper operating condition.

The arm geometry has been developed specifically for the W169/W245 platform, which allows for maintaining the correct wheel position relative to the wheel arch, shock absorber, and steering knuckle. The appropriately selected material stiffness affects driving stability while simultaneously limiting the transmission of vibrations to the body, improving travel comfort.

Benefits of using an original control arm

Using an original control arm in the front left suspension provides a number of practical benefits:

• Factory fit – compatibility with the suspension design of the Mercedes A-Class W169 and B-Class W245 facilitates installation and eliminates geometry issues.
• Stable vehicle handling – a properly selected control arm supports the maintenance of correct wheel alignment and camber angles.
• Reduction of unwanted vibrations and noise – a functional ball joint reduces knocking and play in the front suspension.
• Safe vehicle behavior – the correct condition of suspension load-bearing elements affects braking efficiency and predictable steering response.

Condition, origin, and service application

The element comes from dismantling and is offered as a used front left control arm for the Mercedes A-Class W169 and B-Class W245. This is a particularly beneficial solution for post-accident repairs, mechanical suspension damage, or when replacing worn components to restore correct front axle geometry.

Thanks to the preservation of the original OEM specification, the control arm will work well both for a single replacement of a damaged arm and for comprehensive front suspension regeneration, when it is necessary to replace several elements from the same group.

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

Technical support and service knowledge

To better understand the role of control arms in the operation of the chassis and the symptoms of their wear, it is worth referring to proven technical materials. Practical tips regarding the diagnostics and operation of suspension elements can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses, among other things, the importance of properly functioning control arms in premium class cars.

If you are interested in the ecological aspect and want to consciously choose parts from dismantling to reduce your carbon footprint, read the material Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?, which describes the advantages of reusing original components in professional service.