[Solution] Trying to flash ECU on Mercedes Benz MB100, code mismatch error

1004 views - Last reply: January 26, 2025
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Need the factory key code to program a key for my Mercedes Benz MB100

Hello! We've developed a VIN-based tool to help you get your key code for the Mercedes Benz MB100. Check it out here: VIN Key Code Generator.

Replies (5)

My Mercedes Benz MB100 won’t budge without the code. Hoping this helps.

Was about to tow my Mercedes Benz MB100. Let me try this first.

I really hope this trick works on my Mercedes Benz MB100.

Will this work for older Mercedes Benz MB100s? Mine's a 2009.

Why is finding a key code on a Mercedes Benz MB100 this hard?!

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Key Tip: Avoid exposing key fobs to water or extreme temperatures
Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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