Key fob battery drain - Mercedes Benz SLK Forum

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#1 Old 01-17-2014
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Key fob battery drain

Hi looking for some advice, I have a 98 R170 with a 2 button fob I seem to have a drain on the batteries in my fob I only have 1 key and the batteries(both cr2025) only last 3-4 weeks. I have taken to removing them from the key when not in use as a temporary measure and priced a new key at Ł200 from a dealership. Any advice on a possible solution before I have to bite the bullet....

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#2 Old 01-17-2014
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You might try taking the key apart and cleaning everything with electrical contact cleaner and check for sticky pushbuttons. Sounds like one of them may be activating constantly or intermittently. Even Chinese batteries are not that bad.
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#3 Old 01-17-2014
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Originally Posted by CarolinaBluetec View Post
You might try taking the key apart and cleaning everything with electrical contact cleaner and check for sticky pushbuttons. Sounds like one of them may be activating constantly or intermittently. Even Chinese batteries are not that bad.
Can you buy batteries that aren't made in China anymore? Even my Energizer ones are made in China !!

Whoops,, hold on a minute. I just looked at some batteries I have here and found that the regular (non-rechargeable) Duracell 9volt and AA cells are made in USA. But then I looked at at my Energizer and Duracell rechargeable AAA's and AA's and they were made in Japan. I guess battery manufacture is a worldwide effort with different countries specializing in different types and sizes.
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#4 Old 01-17-2014
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I would try another brand battery first. I had 2 packages of no name batteries fail within weeks of purchase and spent a few hours trying to discover. Bought some Panasonic and problem solved.

G.
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#5 Old 01-18-2014
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Yes, though not probably made in the USA anymore, after trying to find that, for me, it is worth the little bit extra to buy the "name brand". ..........God bless.......Dennis
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