keyfob battery

cocothecat

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The battery in my key is on the way out, takes 10-20 attempts to finally open the car, but sometimes it works fine first time. I though the car charged the batter as you drove!?

If I have to replace the battery, what battery does it take so I can get one first. Or can MB charge it?

CLK 230 W208

Cheers
 

Cole@MBS

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Thats a thing a lot of people get wrong, the only thing the eis sends into the key is a infra red beam!! the key has 2, 3 volt dish batterys!!
 
OP
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cocothecat

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so 2x3 volt batteries. i can just change these on the spot and still get in the car? i only ask as i done this with a saab once and it would not let me in
 

Dosco

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so 2x3 volt batteries. i can just change these on the spot and still get in the car? i only ask as i done this with a saab once and it would not let me in

Purchase the battery's and fit them straight away and you should be okay.
 

Hertfordshire Merx

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Replace the batteries and get them the right way round, everything will be fine.
 

mikestrivens

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They are half the price in screwfix to that in Boots or Halfords
 

*Thumper

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Even cheaper at 7dayshop .com or .uk whatever it is !

I got some on offer last month for £1.25 per 2 I think it was ........ (for my caravan fobs)

Yep !! ....me van opens like a good merc .......... fancy that !
 

*Thumper

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Good god ........... someones noticed !! ......... lol :lol:

Alas, it's only a 2 week appointment ............. :(
 

Dosco

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Good god ........... someones noticed !! ......... lol :lol:

Alas, it's only a 2 week appointment ............. :(

Plenty of time for a 'young pretender' ;)
 

JWB

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I've just replaced mine, as said 2 x 2025's

I ordered them from MX2.com, very good and free postage, like play.com they are in Jersey. I use them for all my batteries and memory sticks etc.

I think I got 3 for £3.60 delivered, much cheaper than in the shops. I too was worried that I'd loose the programming etc but did a quick change and everything is fine.
 

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