Brake Disc Mercedes W169 W245 Front Wheel Left Right N/O/S A1694210812

Visual condition of the part

The product shows signs of use visible in the photos.

Brake Disc Mercedes W169 W245 Front Wheel Left Right is an original braking system component designed for installation on the front left or right wheel. The product comes from disassembly, making it a reasonable choice for users looking for factory fitment and proven disc geometry while maintaining an attractive price. A properly selected disc supports stable, predictable braking and improves vehicle safety.

Specifications and technical data

• SKU: A1694210812
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694210812
• Substitutable numbers: A1694210812, A 169 421 08 12
• Location on the vehicle: Front, Left, Right
• Category: Brake Disc Rotors

Purpose and fitment for the braking system

The presented brake disc is designed for operation on the front axle, with the possibility of installation on either the left or right side. This solution facilitates vehicle maintenance and allows for flexible use of the component when replacing a pair of discs on the front axle. The disc design is adapted to the characteristics of the braking system in Mercedes compact class models, ensuring proper cooperation with brake calipers and pads.

By maintaining factory geometric parameters, the disc supports even pad pressure, which reduces the risk of steering wheel vibrations and uneven pad wear. This is particularly important during frequent city driving and repetitive braking cycles.

Performance characteristics and benefits of installation

The original brake disc from disassembly is a solution that combines high-quality workmanship with predictable behavior in daily operation. The component has been designed for:

• stable deceleration in typical road conditions,
• proper cooperation with the standard Mercedes braking system,
• maintaining an adequate friction surface for brake pads,
• preserving the factory braking balance between the front and rear axles.

Choosing a used OEM disc allows for maintaining the structural integrity of the braking system, which translates into predictable operation of the ABS and electronic stability control systems. This is especially important in emergency situations where the vehicle's repeatable response to brake pedal input counts.

Professional installation and operation

To fully utilize the potential of this brake disc, it is recommended to have it installed in a specialized workshop, following the vehicle manufacturer's procedures. It is crucial to:

• always replace discs in pairs on the entire front axle,
• check the condition of the brake pads and replace them if necessary,
• thoroughly clean the hub and contact surfaces,
• apply the appropriate tightening torques for the wheel mounting bolts.

Such an approach minimizes the risk of disc runout, braking noise, and accelerated wear of friction components. Proper installation has a direct impact on the comfort of the braking system and driving safety.

Technical support and selection of used brake components

When choosing used braking system components, it is worth considering not only the price but also the origin of the part and its compatibility with the specific vehicle version. A good practice is to verify markings and consult with a mechanic or technical advisor to ensure that the given disc will work properly with the existing equipment.

If you want to deepen your knowledge on the safe selection of used brake components, such as discs, calipers, or ABS parts, check out our guide: Second-hand braking system: how to safely select discs, calipers, and ABS?

Mercedes brake discs – expansion and service of the braking zone

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as additional discs for the other side of the axle, compatible pads, or supplementary brake lines, check the available parts in the Mercedes brake discs category.