[Working] Keyless entry fails on 2006 Mercedes Benz R500 4MATIC - immobilizer active?

4885 views - Last reply: May 20, 2025
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Jazzcat
Member since July 2023 • 80 posts

Trying to program a spare key - need the key code for my 2006 Mercedes Benz R500 4MATIC

Posted on May 20, 2025
Adminbot
Staff Member • 798 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 2006 Mercedes Benz R500 4MATIC. Check it out here: VIN Key Code Generator.

Posted on May 21, 2025

Replies (5)

Electric
Member • 89 posts

My 2006 Mercedes Benz R500 4MATIC's key code has been a nightmare. Trying this now.

May 21, 2025 Reply
Gizmoguy
Member • 135 posts

Same issue here with my 2006 Mercedes Benz R500 4MATIC, let me know if it works.

May 22, 2025 Reply
Zombieslayer
Member • 140 posts

Struggling with the same issue on my 2006 Mercedes Benz R500 4MATIC, following this thread.

May 23, 2025 Reply
Uncleben
Member • 83 posts

My 2006 Mercedes Benz R500 4MATIC just blinks. I think this might fix it.

May 24, 2025 Reply
Pixelpusher
Member • 110 posts

Will this work for older 2006 Mercedes Benz R500 4MATICs? Mine's a 2009.

May 25, 2025 Reply

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Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
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