Mercedes-Benz W204 Automatic Gear Selector Shifter 2042673724 - Used Original Parts

Diagnosis and Common Symptoms

From the workshop floor, the Electronic Shifter Module (ESM) in the W204 is a frequent culprit for no-shift conditions. A primary internal failure point is the plastic selector lever mechanism or the circuit board itself, leading to a complete breakdown in communication with the Transmission Control Unit (TCU).

Common symptoms include the vehicle being stuck in Park (P) or Neutral (N), an inability to select Drive (D) or Reverse (R), and the gear position indicator on the instrument cluster disappearing or displaying an error. You may encounter fault codes such as P1856 (Selector lever position detection has failed) or various CAN communication errors related to module N15/5 (Electronic selector lever module controller). This is not just an inconvenience; it renders the vehicle immobile.

Introduction

This is a Genuine Mercedes-Benz W204 Automatic Gear Selector, salvaged and rigorously tested to restore full functionality to your vehicle's transmission interface. Each unit undergoes a comprehensive bench test to confirm perfect electronic communication and mechanical operation before being dispatched. Choosing a tested, genuine part avoids the high cost and potential coding requirements of a new dealer unit, offering a reliable and direct replacement.

Product Details

• Brand: Mercedes-Benz

• Model Compatibility: W204 C-Class (Approx. 2007-2014, including C180, C200, C250, C300, C350)

• Part Name: Automatic Gear Selector Shifter Assembly (ESM)

• Condition: Genuine Used (Tested Working)

• Notes: This module is the central command for the 7G-Tronic transmission. Verify that part number A2042673724 matches your vehicle's original unit for guaranteed compatibility.