[Update] Online databases with key codes for 2021 Mercedes Benz C Class

4972 views - Last reply: February 20, 2025
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Trying to program a new key - where's the key code on my 2021 Mercedes Benz C Class?

Hello! We've developed a VIN-based tool to help you get your key code for the 2021 Mercedes Benz C Class. Check it out here: VIN Key Code Generator.

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Good luck to everyone dealing with 2021 Mercedes Benz C Class key issues!

Thanks! Been struggling with this on my 2021 Mercedes Benz C Class for a while.

Good luck to everyone dealing with 2021 Mercedes Benz C Class key issues!

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1) Contact a locksmith who specializes in automotive keys or your dealership 2) Provide proof of ownership (registration, title, ID) 3) They'll either cut new keys by code or reprogram your car's system 4) This is expensive ($200-$800) as the immobilizer may need resetting.
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