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Convenience Feature Control Unit
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CarGuru > Mercedes > Convenience Feature Control Unit 27 April 2005 03:43:13

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Convenience Feature Control Unit

Fred 17 April 2005 13:45:55
 I would welcome some information on this feature if anyone could help.
1994 UK C class 250D.
Battery goes flat after a week.
Current drawn from the battery with everything switched off is 160 Ma, which
is not inconsiderable
after a few days.
Tried removing fuses to locate which part of the car is drawing this
current.
Finally arrived at the rear fusebox, close to the battery, withdrawing fuse
9 (7.5 amp)
reduces the current drawn to around 10Ma which is what I would expect, clock
, radio memory etc.
In the cover of this rear fusebox fuse 9 is designated as the fuse for the
Convenience Feature Control Unit.
No amount of Googling seems to be able to find out what this unit does,
permanently removing the fuse
doesn't seem to remove any of the cars features.
If anyone has come across this Convenience Feature Control Unit before I
would very much welcome their input.
Many Thanks
Regards
Dave


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Pool Man 17 April 2005 21:15:56 permanent link ]
 rear map light on?

the case, minus a few cans!


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Fred 18 April 2005 03:06:28 permanent link ]
 rear map light on!
Tks pool man, no such luck
regards
dave


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The Guvner 25 April 2005 20:47:35 permanent link ]
 On Sun, 17 Apr 2005 10:45:55 +0100, "fred" <diva@clara.net> wrote:

No amount of Googling seems to be able to find out what this unit does,>permanently removing the fuse

It's the big relay in the boot for the electric windows/sunroof/tot­al
closure.

It may have 202 820 1026 printed across it.
doesn't seem to remove any of the cars features.>If anyone has come across this Convenience Feature Control Unit before I>would very much welcome their input.>Many Thanks>Regards>Dave­>

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Fred 27 April 2005 03:43:13 permanent link ]
 "the guvner"
Many thanks.
Removing the fuse has cured my battery drain problem.
I wonder if your total closure is something thats activated
after locking the car. If perhaps a window had been left open
the relay will close it.
Regards
dave
"the guvner" <pizzalovingcrimina­ls@allstars.ps> wrote in message
news:lj7q61phcc0kdn­8l0dnsiq9omc0eq71gfb­@4ax.com...> On Sun, 17 Apr 2005 10:45:55 +0100, "fred" <diva@clara.net> wrote:>
No amount of Googling seems to be able to find out what this unit does,> >permanently removing the fuse>
It's the big relay in the boot for the electric windows/sunroof/tot­al> closure.>
It may have 202 820 1026 printed across it.>
doesn't seem to remove any of the cars features.> >If anyone has come across this Convenience Feature Control Unit before I> >would very much welcome their input.> >Many Thanks> >Regards> >Dave> >


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CarGuru > Mercedes > Convenience Feature Control Unit 27 April 2005 03:43:13

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