Aren't the front roof lights also known for failing in such a manner to
cause a current drain?
On my '95 E300, there is a steady current draw that is big enough to kill
the battery in about a week or two, unless I pull fuses C and 9.
I recall that I also had that clicking noise from a relay when
Try unplugging the antenna. (run it up first) IF that does not kill
the draw, unplug the radio. I'll bet it is one or the other.
Craig via Mercedes wrote on 7/6/19 7:22 PM:
Several times on this list I have given the advice of using a light bulb
in series with the battery ground lead and
Typically that is the relay that holds the interior lights on for the 30
seconds or so after you close the door. If I remember correctly, it's actually
an electronic relay and the lights go out, but the current draw remains around
1A, more than enough to flatten the battery overnight, or at
On Sat, 6 Jul 2019 20:32:42 -0400 (EDT) Mitch Haley via Mercedes
wrote:
> Have you metered the draw?
> It might be clock plus relay coil current.
> The question is, should that relay be open at rest, and does it open
> after a few minutes or does it stay active forever?
I left the test light in
Have you metered the draw?
It might be clock plus relay coil current.
The question is, should that relay be open at rest, and does it open after a
few minutes or does it stay active forever?
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