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CGDI MB Smart Key – 315MHz 433MHz Replacement for Mercedes-Benz FBS3 Systems
Sale price
$282.99
Regular price
$338.99
SAVE 17%
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Simple and practical everyday product
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Designed for convenience and ease of use
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Lightweight and easy to store
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Great gift or personal purchase
Free 30-Day Returns
Free Shipping on all orders
Easy 30-Day Returns
Secure Payments
Product Details
CGDI MB Smart Key is a replacement key for Mercedes-Benz vehicles with FBS3 immobilizer systems. It’s designed for auto locksmiths and MB owners who need a flexible, ready-to-use key solution.
Key Features
- Frequency switchable between 315 MHz and 433 MHz, enabling broad compatibility across MB models and regions.
- Maintains reliable synchronization with FBS3 immobilizers, with automatic recovery if the system loses sync.
- Be Key update version includes remote control lifting, window control, and IR remote functions for common MB commands.
- Extensive model coverage: supports Mercedes-Benz S, E, C, B, A, GLK, GL, ML, R, SLK, V, G series and more, including specific chassis codes such as W221, W211, W210, W203, W208, W209, W212, W204, W164, W251, W166, W246, W639, W906, W169, W218, W197, W172, W463, W215, W220, W230.
- Packed as a ready-to-use key, with 200 bonus points earned when programming this key with CGDI MB (tokens can be exchanged for other devices in the CGDI store).
Product Details
- Item: CGDI MB CG Key (Be Key) for Mercedes-Benz FBS3 systems
- Frequency: 315 MHz / 433 MHz (switchable)
- Compatibility: Mercedes-Benz models equipped with FBS3 immobilizer
- Functionality: Be Key update version with remote lift, window control, and IR remote features
- Notes: Ensure the CGDI MB device includes a new diode chip inside; devices bought after May 2020 typically come with the diode
- Bonus: 200 points when used to program the key, redeemable as tokens valued at $4 each
- Packaging: 1 piece CGDI MB CG Key (ready to use)
Additional Information
Product appearance, packaging, and minor details may vary slightly depending on the supplier or manufacturing batch.
If you have questions about a product before purchasing, please contact our support team and we will be happy to assist.
Shipping + Returns
Orders are processed within 1–4 business days before dispatch. Once shipped, delivery typically takes 7–15 business days depending on your location and demand.
Tracking information will be sent to your email once your order has been dispatched.
We offer a 30-day return window. If your item arrives damaged, defective, or incorrect, please contact our support team within 30 days of delivery and we will assist with a replacement or refund.
For full details, please refer to our Shipping Policy and Returns Policy pages.
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CGDI MB Smart Key – 315MHz 433MHz Replacement for Mercedes-Benz FBS3 Systems
Regular price
$338.99
Sale price
$282.99
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