Shelly BLU Button Tough 1 is a push start button designed for vehicles that use the Shelly BLU Button system. This component enables the driver to start the engine without a traditional key by simply pressing the button, making it a crucial part of modern keyless ignition setups.
The unit’s main role is to complete the electrical circuit that initiates the vehicle’s starting process. When replacing this button, ensure the part matches the existing push start button in terms of model and compatibility with the vehicle’s Shelly BLU Button system. Buyers should verify the SKU BB-395650 to compare against their current part for compatibility.
When looking for this type of part, consider the following:
- Ensure it is intended for use as a push start button within the Shelly BLU Button vehicle system
- Check that the button’s physical design and connector setup match your existing component
- Confirm the SKU (BB-395650) to avoid confusion with similar products
This push start button replaces the traditional ignition key switch, and proper matching is essential to maintain ignition functionality. If unsure, consulting the sales desk or submitting a request for part identification can help secure the correct replacement unit.
Need help matching this item to your vehicle? Use Mercedes W204 Push Start Button, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

