[Method] My 2017 Mercedes Benz S 550 only works with valet key - programming issue?

4887 views - Last reply: May 18, 2025
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Where do I get the key code for my 2017 Mercedes Benz S 550 to make a spare key?

Hello! We've developed a VIN-based tool to help you get your key code for the 2017 Mercedes Benz S 550. Check it out here: VIN Key Code Generator.

Replies (6)

Looking for the same thing for my 2017 Mercedes Benz S 550, hope someone can help.

Just what I needed! My 2017 Mercedes Benz S 550 has been acting up lately.

Trying this out on my 2017 Mercedes Benz S 550 today—hoping it works.

I’m not alone! My 2017 Mercedes Benz S 550 is doing the same thing.

My 2017 Mercedes Benz S 550's been in the garage for a week over this. Thanks!

I really hope this trick works on my 2017 Mercedes Benz S 550.

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