Accelerator Unit Mercedes W166 W292 Throttle Pedal A2923000100

Accelerator Unit Mercedes W166 W292 Throttle Pedal is an original engine control system component responsible for precisely transmitting the accelerator pedal position signal to the vehicle's electronics. Thanks to its factory design, Mercedes ensures consistent operation with safety and comfort systems, and the use of a pre-owned OEM component allows for an economical yet professional repair.

Specifications and technical data

• SKU: A2923000100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2923000100
• Substitutable numbers: A2923000100, A 292 300 01 00
• Category: Pedal Assemblies, Pads & Parts

Purpose and technical function

The accelerator in Mercedes SUV models from the W166 and W292 series plays a key role in electronic throttle control. It replaces traditional mechanical linkages by generating an electrical signal proportional to the pedal depression. This allows the powertrain to work seamlessly with systems such as traction control, electronic stability control, or advanced driving modes.

The original accelerator unit provides:

• stable signal characteristics across the full range of pedal travel,
• proper compatibility with the factory engine control unit software,
• appropriate ergonomics and pedal resistance, consistent with Mercedes standards.

Design and fitment for Mercedes W166 / W292

The presented item belongs to the Pedals, pedal pads, and footrests group, meaning it has been designed for direct installation into the factory mounting points in the vehicle's cabin. The unit's design is optimized for:

• precise fitment with the floor and interior trim,
• the correct pedal operating angle relative to the driver's seat,
• seamless connection to the vehicle's electrical wiring.

As a result, replacing a damaged gas pedal with the original accelerator unit is a straightforward process, without the need for any interior modifications.

Benefits of using an original accelerator

Using a factory accelerator unit in a Mercedes W166 / W292 translates into a number of practical advantages in daily operation:

• Consistency with vehicle systems – maintaining factory throttle response parameters, without delays or unexpected controller errors.
• Proper ergonomics – pedal operating characteristics matched to the driving position and the expectations of Mercedes drivers.
• Operational safety – correct interaction with driver assistance systems, which is crucial during sudden acceleration or deceleration.

A pre-owned OEM part is a good choice when you want to maintain the vehicle's original specifications while optimizing repair costs.

Condition and service application

The offered unit comes from dismantling and is classified as a used original component. This type of part is suitable both for standard replacement of a damaged gas pedal and for restoring full vehicle functionality after accident repairs or issues with throttle response.

In practice, the installation involves replacing the complete accelerator pedal assembly, which in many cases allows for the elimination of errors related to incorrect pedal position signals, uneven throttle response, or intermittent switching to limp mode.

Control system expansion – related components

If you are planning a comprehensive repair or upgrade of the pedal control area in your Mercedes and need other items from the same group, such as additional pedals, pads, or footrests, check out the available parts in the Mercedes Pedals, pedal pads, and footrests category.

For drivers interested in a broader approach to vehicle modification – from the control system to the exhaust system – practical guides on selecting and installing pre-owned components can be helpful. In this context, it is worth checking out the article Second-hand Mini John Cooper Works Pro sports exhaust – a legal way to get a race-bred sound and +7 HP, which shows how to consciously choose used parts based on factory solutions.