W203 Key won't turn, electronics issue

NoodleSchwarma

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Joined
Jul 22, 2024
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Your Mercedes
c230 Kompressor 2002
Hi MB club :)

My c230 kompressor's key fob won't turn. There's no recognition "wooh" sound when I put the key in, and then it doesnt turn. It used to do this when I had a bad battery, but I replaced the battery. I checked the voltage and even left it on charge but it made no difference.

Before it went completely dead, I was able to start the car, but all electronics didnt work after I did. For example, when i turned the key to the 2nd position, I was able to see the amount of fuel in the car (the fuel gauge worked), but after starting the gauge just went flat. Windows also didnt work.

Now the key isnt turning. I have disconnected the battery and connected again, but no clues. Other forums say it may be the key but the issues just before it died were a bit different

Any ideas?
 

AMGeed

Senior Member
Joined
Jan 18, 2009
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Location
Poole, Dorset
Your Mercedes
1998/2001 W210 E280 x2 SOLD 2004 W211 E55 SOLD, 2014 E63 Biturbo SOLD .S204 C180K
Are you anywhere near Birmingham?
This sounds like your issue.

 


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