[Resolved] 2004 Mercedes Benz SL Class key not recognized - what code should I enter?

3051 views - Last reply: April 21, 2025
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How to find the factory key code to program 2004 Mercedes Benz SL Class keys?

Hello! We've developed a VIN-based tool to help you get your key code for the 2004 Mercedes Benz SL Class. Check it out here: VIN Key Code Generator.

Replies (6)

My 2004 Mercedes Benz SL Class won’t start without that code. Following this closely.

I really hope this trick works on my 2004 Mercedes Benz SL Class.

Hope I’m not too late to try this on my 2004 Mercedes Benz SL Class.

I have a 2011 2004 Mercedes Benz SL Class, will this method work for that year?

My 2004 Mercedes Benz SL Class needs a new key but I need the code first. Help!

Just tried this on my 2004 Mercedes Benz SL Class—anyone else have success?

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