Item Description
Genuine OEM Mercedes-Benz Keyless Go Entry Control Module designed for vehicles on the E-Class W212 platform equipped with the KEYLESS-GO system. This electronic module controls the keyless entry and push-button start functions, allowing the driver to unlock, lock, and start the vehicle without removing the key from their pocket.

The module communicates with the vehicle’s electronic control systems and door handle sensors to detect the key fob and authorize access and ignition functions. It ensures smooth operation of the factory KEYLESS-GO convenience system.

Manufactured to Mercedes-Benz factory specifications, this module provides reliable performance and direct replacement installation.

Part Details

• Part Name: KEYLESS-GO Entry Control Module
• OEM Part Number: A2129007905
• Manufacturer Part Number: 2129007905
• System: Keyless Entry / Push-Button Start System
• Condition: Genuine OEM Mercedes-Benz Part
• Fitment Type: Direct Replacement

Compatible Vehicles

This module may fit the following Mercedes-Benz models:

• E-Class W212 – E250 / E350 / E400 / E550 (2010–2016)
• E-Class C207 / A207 – Coupe / Convertible (2010–2016)

Compatibility may vary depending on vehicle equipment and KEYLESS-GO option. Please verify the part number before purchasing.

Package Includes

• 1 × Keyless Go Entry Control Module

Important Note

Please verify the OEM part number (A2129007905) and compare it with your original module before purchasing to ensure compatibility.
Electronic modules may require coding or programming after installation.