Mercedes R170 Accelerator Pedal A1703000004 A1703010320

The Mercedes R170 Accelerator Pedal is an original accelerator pedal designed for Mercedes R170 class models, ensuring precise control over throttle opening. This component is responsible for transmitting the signal from the driver's foot to the powertrain, thus its functionality directly impacts acceleration smoothness and driving safety. Thanks to its factory design, the part maintains full compatibility with the vehicle's electrical and mechanical systems, allowing for seamless installation in place of a worn-out component.

Specifications and technical data

• SKU: rhd-A1703000004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1703000004
• Substitutable numbers: A1703000004, A 170 300 00 04, A1703010320, A 170 301 03 20
• Category: Other Car Parts & Accessories

Function and Role of the Accelerator Pedal in the Mercedes R170

The accelerator pedal in the Mercedes R170 functions as a key element in the engine control circuit, responsible for translating the driver's foot movement into a signal transmitted to the engine control unit. In practice, this means that its correct operation determines:

• the engine's response to throttle input,
• the smoothness of acceleration across the entire RPM range,
• the stable operation of auxiliary systems, such as traction control or stability control systems,
• driving comfort in urban traffic and on the road.

The original accelerator pedal designed for the R170 platform maintains the correct pedal travel and resistance characteristics, ensuring that the vehicle's response remains predictable and consistent with factory settings.

Construction and Vehicle System Fitment

The presented accelerator pedal is constructed as a dedicated component for a specific Mercedes generation, which translates to proper fitment with floor mounts and compatibility with factory electrical connectors. The pedal's geometry ensures an ergonomic foot position for the driver, and the appropriately selected travel allows for precise acceleration control during both calm driving and dynamic maneuvers.

By retaining the original design, it is possible to use existing mounting points and wiring harnesses without the need for modifications. This solution reduces installation time and minimizes the risk of errors resulting from improper fitment of aftermarket alternatives with different geometries.

Benefits of Using an Original Accelerator Pedal

Using the factory accelerator pedal in the Mercedes R170 allows for maintaining powertrain operating parameters in line with the manufacturer's specifications. The most significant benefits include:

• stable signal characteristics transmitted to the engine control unit,
• maintaining a predictable response to throttle input,
• no need for mechanical or electrical adaptation during installation,
• consistency with factory safety and traction control systems.

For users who value Mercedes' original solutions, this is particularly important for maintaining consistent vehicle behavior after replacing a worn-out component. A properly selected accelerator pedal also reduces the risk of engine control unit errors related to incorrect pedal position readings.

Condition, Origin, and Service Application

The offered accelerator pedal is a used part, making it an attractive service solution for owners of older Mercedes R170 models where a reasonable repair cost is important while maintaining the original design. This type of part is suitable for both a standard replacement of a worn pedal and for diagnosing issues with throttle response, where a functional component needs to be temporarily installed for fault verification.

To maximize the potential of used components, it is worth familiarizing yourself with practical tips for their operation and maintenance – you can find them in the article How to Extend the Lifespan of Used Car Parts, which discusses, among other things, the principles of handling disassembled electronic and accessory components.

System Expansion and Related Mercedes Components

The accelerator pedal works in conjunction with many powertrain and electronic system components. Therefore, for larger servicing tasks, it is worth considering the entire engine control circuit – from the pedal, through the wiring harness, to the control unit and actuators. If you are planning a comprehensive repair or upgrade of the drive control area in your Mercedes and need other parts from the same group, such as position sensors, control modules, or additional accessory components, check the available parts in the Other Mercedes category.

To compare the characteristics of sports powertrains with solutions used in standard vehicle versions, you can also refer to the technical material Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses differences in engine, brake, and chassis construction, helping to better understand the role of precise acceleration control in cars with varying performance.