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Old 06-15-2003, 02:37 PM
Registered User
Join Date: Jul 2002
Location: Cleveland, OH
Posts: 22
260e window fuse keeps blowing

My 1989 260e driver side (and rear passenger) window fuse keeps blowing.

I found one other post that addressed this issue - but there was no response as to the final fix.

I did (about a month ago) swap rear left console switch with the front left switch, as it had pretty much worn out.

Can one of these console switches cause fuses to blow?

What other items could cause this? Regulator? Motor?

I have a hefty bag pulled over my open window now in the driveway - and it looks like rain. I really want to get this window up before work tomorrow. I have to drive through the toll-booths on the PA turnpike, and lifting a garbage bag to take my ticket and pay my toll will not be fun- so if anyone can help this father out on this father's day project ASAP, it would be appreciated. Thanks.
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Old 06-15-2003, 06:25 PM
mike690003's Avatar
Registered User
Join Date: Apr 2003
Location: Miami,FL
Posts: 807
What I would do is to install a stronger fuse. When I installed xenon into my car, the fuse for the headlights kept on blowing. I solved the problem by installing the blue fuse in place of the white fuse. The white fuses blow a lot faster that the blue or red fuse, I hope this helps
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
HID/Xenon (D2S)
Keyless Entry
Monochromatic Paint (Custom Blue)
Smoked Tails
Flat Badged (front)
Debadged (rear)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS
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Old 06-16-2003, 12:33 AM
1991300SEL's Avatar
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Join Date: May 2003
Posts: 545
There are instances where going to a higher amp fuse is acceptable. Throughout the archives here, you'll find situations where pro mechanics recommend doing so and more often than not, that recommendation is backed by a TSB(trouble service bulletin).

If there is a TSB for this situation that recommends are larger fuse - fine. If not, you need to determine the cause of the overload and stay with MB's recommended fuse size for this circuit.

Too large a fuse can allow to much current which translates into a trashed consumer(electrical that is) or worse yet, a fire.

Last edited by 1991300SEL; 06-16-2003 at 12:49 AM.
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Old 06-16-2003, 10:24 AM
Registered User
Join Date: Jul 2002
Location: Cleveland, OH
Posts: 22
I swapped center console switches. lThe eft/front side switch is in the right/front side and vice-versa. The only difference in part numbers is the "-01" suffix added to teh right side switched.

So far, with a couple stops at toll-booths on the PA Turnpike, no blown fuse.

Can anyone think of any reason the simple toggle switch would cause extra current draw to blow a fuse? It makes no sense to me.
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