Question about 2003 Mercedes-Benz E-Class

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E320 smart key got wet

My smart-key went through the wash. It worked for a bit afterwards, then it refused to remotely unlock doors (it still starts car, but that's a different circuit). I've changed the batteries. I've opened the key and removed the circuit board and visually examined it. I can't see anything obvious. Any suggestions?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 15 Answers

SOURCE: e320 car key doesn't work

you have to get another key from the dealers and program it.you key is out of alignment . common on mercedes

Posted on Feb 13, 2009

  • 1 Answer

SOURCE: i have a mercedes E320 ignition issue

I bought a brain new key from mercedes and it still does not turn.

Posted on Mar 16, 2009

  • 43 Answers

SOURCE: locking problem mercedes e320 year 2003

Hi, You need to replace the door lock assembly. They go bad often on these vehicles. The door panel needs to come off to access the assembly. Not very easy to do unless you know what you are doing.

Posted on Apr 09, 2009

  • 6 Answers

SOURCE: Passenger Side Rear Door Will Not Open

If you can lower the window down you can jimmy it open from there preferably from the inside has more padding in the inside seal compared to the outside one i can see the switches working but some how it detached itself try and hook around the area were the door latch is not door hinges lol it wont be an easy task but a thin coat hanger as well as possibly a rubber door stopper to give ya some space to work with may help out good luck take her easy with the door stopper don't push it in too far may crack the plastic 

Posted on May 10, 2009

pippall
  • 1486 Answers

SOURCE: immobiliser on mercedes a class will not switch

The fob and car have to go to the dealer to have it reprogramed.

Posted on Sep 16, 2009

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Jun 17, 2009 | 2003 Mercedes-Benz E-Class

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Locking problem mercedes e320 year 2003


Hi, You need to replace the door lock assembly. They go bad often on these vehicles. The door panel needs to come off to access the assembly. Not very easy to do unless you know what you are doing.

Apr 09, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

3 Answers

I have a mercedes E320 ignition issue


Hello, The chip in the key is probably bad. You may need a new key from Mercedes.
I hope this helped.
CYA, Gator241

Jan 28, 2009 | 2000 Mercedes-Benz S-Class

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E320 car key doesn't work


I had the same problem with my 2001 E320. Roadside assistance came to my house and said it was a problem with the key. Ordered a new key (cost about $220 from Keys European in Van Nuys, CA) and the key worked. When I went to dealer to pick up the key, I spoke to a service consultant and he said that hes seen that problem before and replacing the key wont do anything (even though it did work). He said something about a ESI (something like that) and said that parts only on that cost about $600. So first thing you should try is replacing your key. Hope I helped.

Oct 30, 2008 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

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