New Genuine Ignition Switch Control Unit A1679004426 for Mercedes GLE W167
The New Genuine Ignition Switch Control Unit (Part Number: A1679004426) is a premium, Original Equipment Manufacturer (OEM) replacement part specifically designed for the Mercedes-Benz GLE W167. As a genuine Mercedes-Benz component, it guarantees exact fitment, flawless integration with your vehicle's advanced immobilizer system, and reliable performance. Built to strict factory specifications, this Electronic Ignition Switch (EZS) module serves as the critical gateway for vehicle startup, ensuring secure communication between your key fob and the Engine Control Unit (ECU).
Function
- Vehicle Authorization: Verifies the digital signal and anti-theft code from the smart key fob to authorize engine starting.
- Power Distribution: Manages the electrical routing to power essential vehicle systems, including the ignition, accessories, and starter motor.
- Immobilizer Integration: Acts as a core component of the Mercedes-Benz Drive Authorization System (DAS), preventing the engine from starting if an unauthorized key is used.
- ECU Communication: Facilitates secure data exchange between the key, ignition switch, and the Engine Control Unit to enable the push-to-start or key-turn starting sequence.
- Accessory Activation: Allows the driver to turn on electrical accessories (such as the radio, climate control, and windows) without starting the engine.
Supported Car Models
- Mercedes-Benz GLE-Class (W167) – 2019 to 2024
- Mercedes-Benz GLE 350 (W167) – 2019 to 2024
- Mercedes-Benz GLE 450 (W167) – 2019 to 2024
- Mercedes-Benz GLE 580 (W167) – 2020 to 2024
- Mercedes-AMG GLE 53 (W167) – 2020 to 2024
- Mercedes-AMG GLE 63 S (W167) – 2020 to 2024
Note: This part may require online coding/scn coding via XENTRY diagnostic software to match your vehicle's specific VIN. Please verify compatibility with your VIN before purchasing.





