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  #1  
Old 11-16-2007, 05:04 PM
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96 e300d glow plug caps

I am in the process of replacing my glow plugs. I have removed everything that needed to be taken out, and am now looking at the six glow plugs, with these little black caps attached to each one. How do you get the little buggers off the glow plugs? I have read one of the diy guides on the forum, and it mentions using a long nose pliers to gently squeeze the sides of the cap to remove it from the glow plug. I have tried this, but its a no go. Any help would be greatly appreciated......thank you
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Old 11-17-2007, 09:12 AM
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anyone??

Trying to remove the electrical connector at the top of the glow plug. Any help would be greatly appreciated.....thank you...

96 e300d
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  #3  
Old 11-17-2007, 09:31 AM
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tbh I don't think mine even has those, so I'd just break one off and figure it out.
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Old 11-17-2007, 11:48 AM
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Dont break it; its probably part of the overall wiring harness and pieces are NOT sold separately.

Get in there with a mirror and flashilight and figure out how the clips holding it on work. You probably squeeze it at a certain point to spread the clips enough to pull off. Here a photo of the end of the GP.

http://catalog.worldpac.com/mercedesshop/sophio/image.jsp?title=Glow%20Plug&url=http%3A//img.eautopartscatalog.com/live/F110062530BOS.JPG
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  #5  
Old 11-17-2007, 12:11 PM
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On my 1998 E300D TurboDiesel these are the connectors that pop on to the glow plug end. They just pull straight off. I used my fingers on almost all of them and a needle nose pliers on ones that were hard to get to. Just pull straight off the plug. Jim
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1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
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Old 11-17-2007, 12:21 PM
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Thumbs up If they look like this, then no worries...

Quote:
Originally Posted by TMAllison View Post
Dont break it; its probably part of the overall wiring harness and pieces are NOT sold separately.

Get in there with a mirror and flashilight and figure out how the clips holding it on work. You probably squeeze it at a certain point to spread the clips enough to pull off. Here a photo of the end of the GP.
If you're talking about the plastic connector in the pics below, destroy it with no worries (try not to bend the large non-flexible wire at the terminal end too much though).The clips are a dealer item and @ $1 or so apiece.

I still have a few extra from my glowplug change years back.
Attached Thumbnails
96 e300d glow plug caps-glowplug1.jpg   96 e300d glow plug caps-glowplug2.jpg  
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Old 11-17-2007, 01:31 PM
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Thank you all for your responses. They are the ones pictured, and they do in fact just pull off. When I read the diy piece, it mentioned to use a needle nose pliers and squeeze gently. I thought there were some kind of tabs holding them in, and that they had to be pushed in , but that was not the case. I tested all the glow plugs, and as luck would have it, the plug nearest the oil filter housing is the bad one. Can't get a straight shot with the filter housing in the way, so I am considering my options if any. Thank you all again for all your valuable information....
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Old 11-17-2007, 01:40 PM
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This recent thread has some interesting shear/failure data to consider.

OM606 Glow Plug Replacement: Pray for me please
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09' Hyundai Santa Fe Diesel 48k (S.A.)
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