W203 seat motors blowing fuses

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John (Ireland) - 30 Jan 2008 19:46 GMT

Greetings to the group. My W203 C270cdi blows the 30A fuse for the
drivers' seat immediately when I attempt to adjust it while sitting in
it. If I get out of the car and take the weight (190 lbs) off the
seat, it works fine. The passenger seat works fine all the time. I've
taken the seat out and looked at the wiring loom/harness underneath,
it seems fine, no visible dead short or anything like that.
What should I try next?

John

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Robert Klemme - 31 Jan 2008 17:40 GMT

> Greetings to the group. My W203 C270cdi blows the 30A fuse for the
> drivers' seat immediately when I attempt to adjust it while sitting in
[quoted text clipped - 3 lines]
> it seems fine, no visible dead short or anything like that.
> What should I try next?

Maybe there is a mechanical issue that can be solved with some grease or
cleaning of the system. Your description sounds as if the seat engine
has to bypass some kind of barrier which makes it increase the current.

HTH

Kind regards

robert

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Padraig - 31 Jan 2008 19:10 GMT

>> Greetings to the group. My W203 C270cdi blows the 30A fuse for the
>> drivers' seat immediately when I attempt to adjust it while sitting in
[quoted text clipped - 7 lines]
> cleaning of the system. Your description sounds as if the seat engine has
> to bypass some kind of barrier which makes it increase the current.

I've got a CLK430 AMG and the driver's side seat got stuck twice and it was
the fuse both times. The local MB dealership checked out the seat motor and
there appears to be no problem - no elevated amp draw. They hint that maybe
it would be prudent to replace the seat base mechanism including the motor,
but when they further hinted that it would only set me back about $1,200 I
decided it would be even more prudent if I just bought a handful of fuses
instead.

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Paddy's Pig

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Robert Klemme - 31 Jan 2008 22:39 GMT

>>> Greetings to the group. My W203 C270cdi blows the 30A fuse for the
>>> drivers' seat immediately when I attempt to adjust it while sitting in
[quoted text clipped - 16 lines]
> me back about $1,200 I decided it would be even more prudent if I just
> bought a handful of fuses instead.

LOL - you could even use fuses with higher currents or slower reaction. :-)

robert

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