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1998 E320 4matic wagon
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185 Posts
Discussion Starter #1
I saw posts recommending OEMparts as a potential sourse for a cheaper replacement key, but their web site appears to be extinct. Am I stuck with the dealer? Hoen Mercedes parts dept is telling me that there is a 90% chance the new key will work but if it doesn't I can not return the $200 key and I'll then need to upgrade the ignition system.
Is this true?
 

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2003 Mercedes Benz E500
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668 Posts
Be careful with...

your terminology... a "replacement" key makes all other existing keys for the car invalid/inoperable. An "additional" key [I believe up to 8 keys] keeps the original coding intact.

The dealer ordered one [additional key] for my '97 E420 and it worked fine, and I was given no such warning at all...

Good luck,

JR
 

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2002 ML320
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1,951 Posts
Yes you are stuck with the dealer for the key.

Unless your car has been assigned 8 keys already it will work. If it has been assigned 8 keys you will have to replace the system.

True that you cannot return the key as it is programmed and considered useless on any other vehicle but yours.
 

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1998 E320 4matic wagon
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185 Posts
Discussion Starter #4
OK

It is an additional, not replacement. I was thinking replacement as in replacing a lost one.

BK
 
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