So I have a 2005 E320 CDI with 239k. I only have one key for the vehicle. Local locksmiths are unable to program keys due to their proprietary software. I bought two used genuine Mercedes keys to see if I could get them programmed. My local Mercedes dealer says no and it can only be programmed once, soni have to buy a new key. I call shenanigans, what say you? Thanks in advance!
M0L0TOV
How do I Program the Key for a Mercedes E320?
Step 1
Place your new key into the ignition of your Mercedes E320.
Step 2
Hold down the "Lock" button on the key fob.
Step 3
Remove the key from the ignition while maintaining your hold on the "Lock" button.
Step 4
Push the "Unlock" button on the key fob five times, consecutively. Do not release your hold on the "Lock" button while pushing the "Unlock" button.
Release your hold on the "Lock" button to complete the programming process.
Yeah, tried that before, doesn't work on my model. Thank you though!
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