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  #1  
Old 12-14-2007, 02:42 PM
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Location of Glow Plug Relay in 1979 300D MB

Hi All,
I'm hoping somebody knows where to find the glow plug relay on a 1979 300D Mercedes Benz.

Thanks
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  #2  
Old 12-15-2007, 12:41 PM
300SDog's Avatar
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Black electrical box on left front fender well on them i believe for pencil tipped glow plugs. Am notso sure about loop style plugs. Otherwise dive into Russian parts schematics: http://www.detali.ru/cat/oem_mb0.asp?TP=1 Hope this helps.
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Old 12-15-2007, 04:32 PM
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In some of these the fuse was on the firewall behind the valvecover, and the relay was inside under the steering column.
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1985 300D restored
1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12
1982 380SL
1979 300SD mine, but parked
1978 450 SEL 6.9 euro restoration at 63% and climbing
1987 300 D Mine
2001 F350 4 Door DRW 4 X 4 Banks (Wifes)
1995 E300D Wife's
1987 300 TD Daughter's now
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Old 12-15-2007, 04:48 PM
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Quote:
Originally Posted by Wodnek View Post
In some of these the fuse was on the firewall behind the valvecover, and the relay was inside under the steering column.
that was only from 1975-1976 i believe, i have both type relays available if they are needed
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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
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300TD Former daily driver Totaled
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Old 12-23-2007, 08:40 PM
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I think it is directly above the foot pedals. Silver box nut and bolted to the support arm for the hanging pedal assembly. Remove lower panel under dash to access area. This for sure on 77 models with series glow plugs. I suspect same identical set up on the 79s.
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  #6  
Old 12-24-2007, 12:33 AM
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Quote:
Originally Posted by Carson357 View Post
that was only from 1975-1976 i believe, i have both type relays available if they are needed
my 78 has this setup
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1985 300D restored
1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12
1982 380SL
1979 300SD mine, but parked
1978 450 SEL 6.9 euro restoration at 63% and climbing
1987 300 D Mine
2001 F350 4 Door DRW 4 X 4 Banks (Wifes)
1995 E300D Wife's
1987 300 TD Daughter's now
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  #7  
Old 08-23-2012, 02:39 AM
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Answer

Here are pictures of the relay location in a 1976 300D.





FYI why this relay was removed:
The contact points welded together, melting down the relay coil and cooking the circuit board.


.
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  #8  
Old 08-24-2012, 03:01 AM
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FYI

I removed the factory relay, and made this temporary assembly to activate the glow plugs.

1976 300D_Glow plug relay temporary replacment pictures by whunter - Photobucket

I am looking for a good used MB 0015451832 relay now.





.
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1973 300D
1973 309D
1978 280SE
1980 240D
1983 300D
1984 190D

Last edited by whunter; 08-26-2012 at 08:21 PM.
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Old 08-24-2012, 03:01 AM
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