please help!! electrically challenged. any help would be appreciated. 1992 300sd left dictional comes on solid, car on or off. killed battery last night. think it could be a relay, becuase takes some time after pulling fuse to happen. where are relays locate?

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1992 300sd??
1996 1500 6.5(sold)
1995 3500 6.5
1991 2500 6.2

hmm, if it stays on, I would suspect the emergency flasher system. sorry I cannot be of more help.
John

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

My first thought is you turned the headlight switch too far counterclockwise engaging the left park lights. Key off, headlight switch turned off to the vertical position the lites have no voltage supplied.

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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.

Look at your manual on the headlight switch (knob). If your knob is clocked in the right position it will keep your left or right indicator solid. It is a "feature" so if you are parked on the side of the road at night, cars will see the edge of the car.

one of those crazy euro features on our cars

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~shell
As of 2/2010:
2001 CLK55 0o\=*=/o0
13.6 @ 106mph
10K mi
1984 300SD
260K mi and going and going...
97 S600
46K miles
1991 Sentra SE-R (extremely dorked with)
www.se-r.net

If it's not the headlight switch as suggested, and you're sure it's absolutely in the middle position, try turning on and off the flasher switch a couple of times.
If you're on the East coast with all the recent rain, there just might be enough moisture to trigger the hazard switch gremlin.

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85' 300D No inspection, No registration fees, Cheap insurance
"If my calculations are correct, when this baby hits 88 miles per hour, you're going to see some serious %$&^."

x2, first thing I thought of and also the first mistake I made when I drove my Mercedes home for the first time and flipped that switch as far to the left as I could

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-justin

1987 300TD, 1987 300TD
2008 R32, 2000 Passat Wagon

thanks for the responses. I will check the parking light theory. although have had lights on and off. it also randomly comes and goes. when not stuck on hazards will work. when stuck on only right directional will flash. But let me check out the parking light idea thanks

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1992 300sd??
1996 1500 6.5(sold)
1995 3500 6.5
1991 2500 6.2

Also there is a relay forward of the shifter on the 123 chassis that powers the 4 way flasher switch. Could be a sticking relay? But I've never read a thread where the one light stays on. Only that the signals do not work.

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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.

I checked and its not the parking light. . found a relay that controls the flashing on right imagine it also does left. thinking of starting there .

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1992 300sd??
1996 1500 6.5(sold)
1995 3500 6.5
1991 2500 6.2

Have you changed all of your fuses? If you have the old metal kind that looks white and pitted, get rid of them. ALL of them. Replace them with the copper kind. You can replace them all for like, $12. The older ones, even if they look good, could be causing electrical resistance, which will cause weird electrical problems.

jeff 1991 300d, 105k