[Free Fix] Bought used MercedesBenz 500SEL 56L - transponder code missing

3735 views - Last reply: May 01, 2025
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How to find the factory key code to program MercedesBenz 500SEL 56L keys?

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Has anyone gotten this method to work on a MercedesBenz 500SEL 56L before?

Thanks! Been struggling with this on my MercedesBenz 500SEL 56L for a while.

Been searching everywhere for help with my MercedesBenz 500SEL 56L's key code.

I really hope this trick works on my MercedesBenz 500SEL 56L.

My MercedesBenz 500SEL 56L refuses to start. Could be the key code—trying this fix.

Appreciate any advice—my MercedesBenz 500SEL 56L won’t recognize the key.

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