[Resolved] Need key code after theft recovery of MercedesBenz 300E

3030 views - Last reply: January 15, 2025
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Need my MercedesBenz 300E's key code to program a new transponder key

Hello! We've developed a VIN-based tool to help you get your key code for the MercedesBenz 300E. Check it out here: VIN Key Code Generator.

Replies (4)

My mechanic said this might help with my MercedesBenz 300E key issue.

Using this on my MercedesBenz 300E now. Hope it works.

I’m in the same boat with my MercedesBenz 300E. This looks promising.

Trying this on my MercedesBenz 300E later. Will report back.

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A flashing security light often indicates an immobilizer issue. Solid light suggests the system is armed but not recognizing your key. Causes: faulty key chip, damaged antenna ring, low battery, or system needs reprogramming.
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