[Answered] Trying to start a 2003 Mercedes Benz CLK Class without immobilizer PIN

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Need the factory key code to program a key for my 2003 Mercedes Benz CLK Class

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 Mercedes Benz CLK Class. Check it out here: VIN Key Code Generator.

Replies (6)

My 2003 Mercedes Benz CLK Class's key code has been a nightmare. Trying this now.

Desperate to get my 2003 Mercedes Benz CLK Class running again. Trying this tonight.

Desperate to get my 2003 Mercedes Benz CLK Class running again. Trying this tonight.

Trying this out on my 2003 Mercedes Benz CLK Class today—hoping it works.

Why is finding a key code on a 2003 Mercedes Benz CLK Class this hard?!

Fingers crossed this works for my 2003 Mercedes Benz CLK Class too.

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Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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1) Always have at least 2 working keys 2) Get spares made before losing originals 3) Consider key insurance/add-on coverage 4) Store key codes safely 5) Use protective cases for smart keys 6) Program new keys before old ones fail completely.
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Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
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