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Old 01-31-2008, 09:59 AM
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Best 'I'm still plugged in" warning device

I'm always paranoid that some cold morning I'm going to drive away with my block heater still plugged in. What are people doing to remind themselves not to do this? Sometimes I hook the cord around the Mercedes star but often I'm parked in a place where I don't have enough cord to do this. Anybody have a foolproof solution?

1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
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Old 01-31-2008, 10:06 AM
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Maybe wrap extension cord around drivers rear view mirror?
What do I know, I'm in Texas.....
Jimmy L.
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Old 01-31-2008, 10:07 AM
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A red scarf around the hood ornament? A placard on the steering wheel?

I have a bright orange extension cord and I have not missed removing it yet...
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

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Old 01-31-2008, 10:14 AM
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Originally Posted by JimmyL View Post
What do I know, I'm in Texas.....
Yeah interesting problem. Had someone notice my cord hanging down and asked if the car was electric.
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Old 01-31-2008, 10:19 AM
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Done it a few times. Both backing up and going forward. You hear a "clunk" and wonder "what the **** was that". Sometimes it occurs to me right away and sometimes I don't know until I get back home and the cord is still laying there in the driveway My block heater cord is zip tied pretty well to the front towing hook thing, so its fine. I may ruin the extension cord one day though.

I've thought about putting a little 110v light in the dash and splicing it into the block heater wire. Haven't gotten much farther than that thought though...
1985 300TD-euro 352,000 mi
1974 240D (1?)52,000 mi - has a new home now
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Old 01-31-2008, 10:22 AM
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CB aerial, cloth around the bottom, red flag in place of the aerial, left on the bonnet?
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Old 01-31-2008, 10:39 AM
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Just remember it!

Put it in your memory like you do with a lot of little things. Do you need a reminder to put diesel fuel in the tank? Just put it in your head there are a few things that just should be remembered, like Birthdays and Anniversaries and Oh yes, the plugged in Benz. It's cold, don't you then think, will it start? That should jog your brain enough to pull the plug out, unless your brain dead.
Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis

1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

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Old 01-31-2008, 10:43 AM
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Better yet....

Originally Posted by Parrot of Doom View Post
CB aerial, cloth around the bottom, red flag in place of the aerial, left on the bonnet?
Take Parrot's CB mag-mount antenna base off of the hood, reattach the antenna, tie the extension cord to the antenna somehow (cable tie?), stand the antenna where the top can be see from inside the car (ground, bumper, hood?), attach Parrot's red flag to the antenna so it can be seen from inside.

When you remove the extension cord, the antenna and flag goes with it. Returning home to a foot of new snow, the flag sticks up so you can find the extension cord.


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Old 01-31-2008, 10:57 AM
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You need *a wife*

A properly adjusted one rarely misses an opportunity to point out something stupid that you've done, you're doing, or you're about to do.

I'd be lost without mine... literally.
1999 e300d PlantDrive WVO/SVO conversion
**note to self: oil changed at 268k kms**
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Old 01-31-2008, 10:59 AM
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Location: West of Ft. Worth. TX
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Attach, by strong cord or rope, a wheel chock to the end of your extension cord. They carry the lightweight, plastic type in most auto parts stores now.

(Years ago, we used this method on ground equipment for aircraft, in the military, to prevent folks from hitching up to it and driving off while it was still plugged in to the plane. $xp$ns$v$ repair!)

84 300SD 350K+ miles ( Blue Belle )
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Old 01-31-2008, 11:01 AM
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You need the UMR-1855BH block heater warning device. First you need to invent it, though...
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Old 01-31-2008, 11:36 AM
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Route the cord to the interior of the car and run it through the driver's door.
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Old 01-31-2008, 11:51 AM
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Easy. Install a 120V light bulb fixture in the car and wire it in parallel with the heater. When you plug it in, the light goes on - make it 100 watts and you'll never miss it!
1984 300TD

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Old 01-31-2008, 11:54 AM
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Location: MA
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Early in the "block heater" season, I just leave my hood up each night for about a week, until I get in the groove of remembering that it's plugged in. After that I'm good for the rest of the season.
Mark in MA
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Old 01-31-2008, 12:04 PM
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Location: Mount Holly, NC
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oh quit being a baby about it.
just purchase a replacement block heater cord every time you break it.
as a good warning device, you could get a quote from MB for the block heater, and put the quote on your steering wheel... $$$$ usually keeps your memory pretty sharp.

John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
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