[Archived] My 2018 Mercedes Benz AMG GT is bricked - dealer says key code issue

2317 views - Last reply: May 25, 2025
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Trying to program a new key - where's the key code on my 2018 Mercedes Benz AMG GT?

Hello! We've developed a VIN-based tool to help you get your key code for the 2018 Mercedes Benz AMG GT. Check it out here: VIN Key Code Generator.

Replies (5)

Just wanted to say this guide helped with my 2018 Mercedes Benz AMG GT!

If this works for my 2018 Mercedes Benz AMG GT, I owe you big time.

This is gold. I’ve been locked out of my 2018 Mercedes Benz AMG GT for days.

This trick worked for my buddy's 2018 Mercedes Benz AMG GT. Giving it a go myself.

Thanks for sharing! Been looking for a key code fix for my 2018 Mercedes Benz AMG GT.

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Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Key Tip: Avoid exposing key fobs to water or extreme temperatures
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Locksmiths or dealers can: 1) Decode your door or ignition lock to determine key cuts 2) Access your car's key code through manufacturer databases (with proof of ownership) 3) Program new transponder keys using diagnostic equipment.
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1) Always have at least 2 working keys 2) Get spares made before losing originals 3) Consider key insurance/add-on coverage 4) Store key codes safely 5) Use protective cases for smart keys 6) Program new keys before old ones fail completely.
Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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