Mercedes SLK R171 Brake Pedal Braking Unit Assembly A1712900719

The Mercedes SLK R171 Brake Pedal Assembly is an original component of the braking control system, designed for precise integration with the vehicle's factory hydraulics and electronics. Its construction, compliant with manufacturer standards, ensures a consistent brake feel, correct pedal travel, and stable mounting within the chassis. This is a practical solution for both post-accident repairs and comprehensive brake system overhauls on the SLK R171.

Specifications and technical data

• SKU: rhd-A1712900719
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1712900719
• Substitutable numbers: A1712900719, A 171 290 07 19, A1712901518, A 171 290 15 18, BG
• Category: Pedal Assemblies, Pads & Parts

Purpose and Function in the Braking System

The brake pedal assembly in the Mercedes SLK R171 is responsible for the mechanical transfer of the driver's foot pressure to the main braking system. The appropriate lever geometry, pivot point, and return spring characteristics contribute to:

• smooth modulation of braking force,
• repeatable brake engagement point,
• stable pedal position at rest,
• comfortable operation in daily use.

The original design of the brake pedal assembly is crucial for maintaining the factory balance between braking effectiveness and user comfort, especially in a car with a sporty-touring character like the SLK R171.

Brake Pedal Assembly Construction

The presented assembly belongs to the group of Pedals, Pedal Covers, and Footrests, meaning it includes the complete brake pedal support module along with its functional elements. The use of factory mounting points allows for:

• direct installation in place of the original component,
• correct positioning of the pedal's pivot axis relative to the chassis,
• maintenance of the manufacturer-specified working travel.

As a result, after replacement, the original brake feel is preserved, which is important for both safety and predictable vehicle behavior during emergency braking.

Application in Repairs and Upgrades

This component is particularly suitable for situations where the existing brake pedal assembly has suffered mechanical damage, deformation, or excessive wear. Replacing the complete module is often a more predictable solution than repairing individual sub-components because it:

• eliminates play in the pedal's pivot axis,
• restores the correct return spring characteristics,
• ensures the correct pedal position relative to the accelerator and clutch pedals (in manual transmission versions).

This is especially important in vehicles where precise brake response and a repeatable engagement point are expected, leading to greater vehicle control.

Product Characteristics and Condition

The offered brake pedal assembly is an original Mercedes part, sourced from a dismantled vehicle. Using a pre-owned component helps maintain consistency with the vehicle's factory specifications, which is beneficial both technically and economically. Choosing an original part from this group minimizes the risk of fitment issues and undesirable changes in the braking system's operation.

For users who consciously opt for used parts, additional guidance on inspecting condition and selecting components may be helpful. It is worth reviewing the guide Buying Used Car Parts – Common Mistakes When Choosing Tuning Parts to better assess what to look for when planning repairs and modifications.

Expanding the Brake Control System in a Mercedes

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and require other elements from the same group, such as additional pedals, covers, or footrests, check the available parts in the Mercedes Pedals, Pedal Covers, and Footrests category.

Selecting the correct brake pedal assembly for the SLK R171 ensures the consistent operation of the entire braking system while maintaining the driver's area ergonomics at the level intended by the manufacturer. This is a sensible solution for those who expect a technically sound repair without compromising on safety and brake operation comfort.