[Status: Resolved] Lost transponder code for my MercedesBenz CClass C300 Sedan - any ideas?

2331 views - Last reply: February 11, 2025
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Need my MercedesBenz CClass C300 Sedan's key code to program a spare key - where to find?

Hello! We've developed a VIN-based tool to help you get your key code for the MercedesBenz CClass C300 Sedan. Check it out here: VIN Key Code Generator.

Replies (5)

Will this work for older MercedesBenz CClass C300 Sedans? Mine's a 2009.

Trying to avoid a $300 fee at the dealer for my MercedesBenz CClass C300 Sedan.

My MercedesBenz CClass C300 Sedan just blinks. I think this might fix it.

Just checking in to say this helped with my MercedesBenz CClass C300 Sedan. Thanks!

I have the same MercedesBenz CClass C300 Sedan and I'm also trying to find the key code.

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