Key problems

CLK CHAZ

Member
Joined
Sep 30, 2010
Messages
56
Location
Mansfield UK
Car
CLK 350 Sport CAB
Hi
Went to the car yesterday and opened it with my main key in my pocket using the keyless go feature. whilst in the car it flashed up key not recognized a couple of times but the car drove fine. When i stoped and got out i could not lock it via the keyless button and the key was totaly dead. Will it just need a new battery or is the key knackered. My spare key works fine. I never use the key in the ignition, it did have a new battery at the dealer under a year ago. Any thoughts guys.
Thanks
Chaz
 

IanW

Active Member
Joined
May 17, 2009
Messages
163
Location
Reading
Car
W209 CLK 500
Probably just needs new batteries, but I found mine was more reliable once I bent the battery retaining arm in the key fob down a little. It looks like it gets a tad loose with age. Like most things I guess...

Ian.
 

crockers

MB Enthusiast
Joined
Mar 30, 2007
Messages
7,097
Location
North Wilts
Car
XC60 MY2014 SeLux Nav plus lot and lots of toys...
Thanks Ian i hope so dont fancy spending £250 on a new key.
regards Chaz

If your car is under 3 years old and the key has failed it should be covered under the warranty. If all it needs is a battery then that isn't too expensive.
 

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