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  #1  
Old 03-19-2001, 07:38 PM
ML Dude's Avatar
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I've got a low mileage(96K) 1985 300D that will sometimes shake after stopping and idling. This problem is intermittent and sometimes stops after a couple of seconds, sometimes not until I accelerate again. My mechanic did some adjustment to the fuel delivery after performing a major service but the problem is still there. Any ideas? I guess it's possible further adjustment is possible, but what should I have checked?

p.s. How do I change the instrument cluster lights, they seem very dim....thx!
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Ed "Don't Benz's just feel better..."

Current wives...
2000 ML430 Skyview "The Mel"
2000 CLK430 Cab "The Cab"
85 300D Turbo "The Diesel"

Past wives...
92 300E
85 190E

"One should as a rule respect public opinion in so far as is necessary to
avoid starvation and to keep out of prison, but anything that goes beyond
this is voluntary submission to an unnecessary tyranny, and is likely to
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  #2  
Old 03-19-2001, 07:46 PM
fz500sel's Avatar
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instrument cluster lights

You need to pop out the instrument cluster from the dash and then you will see the bulbs that need to be replaced. Are you sure that you just don't have the potentiometer turned down? (sometimes it's the little things we overlook)

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84 500SEL EURO 101K ( JUST LIKE MY 1ST WIFE. GLAD TO GET RID OF HER! )
85 300D 310K (sold)
90 350SDL 184K sold
83 300D 118K (sold)
88 300E 153k (sold)
93 400E 105K (sold)
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  #3  
Old 03-19-2001, 08:00 PM
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Hi, thanks but I did check that.. How do I pull the cluster out?
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Ed "Don't Benz's just feel better..."

Current wives...
2000 ML430 Skyview "The Mel"
2000 CLK430 Cab "The Cab"
85 300D Turbo "The Diesel"

Past wives...
92 300E
85 190E

"One should as a rule respect public opinion in so far as is necessary to
avoid starvation and to keep out of prison, but anything that goes beyond
this is voluntary submission to an unnecessary tyranny, and is likely to
interfere with happiness in all kinds of ways."
Bertrand Russell
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  #4  
Old 03-19-2001, 08:27 PM
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Location: Santa Clara, CA
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Go to http://www.hsb.baylor.edu/easley/autofags/clock.edu for a good explanation of making a tool and pulling the panel. This is a good general resource site, very worthwhile bookmarking.
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'78 240D-Sold
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'88 300 TE, 165K-Sold
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'86 560SL 124K Miles
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  #5  
Old 03-19-2001, 08:31 PM
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I would check the following

a) engine shocks
b) motor/tranny mounts
c) check valve adjustment
d) timing chain tension
e) injection timing check

Mine shook pretty bad and I found that the drivers side motor mount was trash. I have changed all mounts and the shock and it helped alot. Also performed the valve adj. and will be replacing the timing chain soon. This is all in the '85 300D.
Jim
'85 300D
'95 E320
'97 CRV
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  #6  
Old 03-19-2001, 10:41 PM
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Location: Los Angeles, Calif, USA
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Rack damper screw out of adjustment also causes shaking during idle. Did your mechanic adjust that screw?

David
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  #7  
Old 03-20-2001, 06:13 PM
ML Dude's Avatar
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Ron Johnson, the link you left doesn't exist but sounds like a good site. Has it moved? Does anyone know how to remove that instrument cluster painlessly?? Thanks for the idle advice!
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Ed "Don't Benz's just feel better..."

Current wives...
2000 ML430 Skyview "The Mel"
2000 CLK430 Cab "The Cab"
85 300D Turbo "The Diesel"

Past wives...
92 300E
85 190E

"One should as a rule respect public opinion in so far as is necessary to
avoid starvation and to keep out of prison, but anything that goes beyond
this is voluntary submission to an unnecessary tyranny, and is likely to
interfere with happiness in all kinds of ways."
Bertrand Russell
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  #8  
Old 03-20-2001, 07:12 PM
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Location: Santa Clara, CA
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Sorry, try this one, which will definitely work, then go down the list to the article about fixing the clock.

http://hsb.baylor.edu/html/easley/autofaqs/main.htm
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'76 240D-Sold
'78 240D-Sold
'85 300 SD, 165K-Sold
'88 300 TE, 165K-Sold
'64 Porsche 356C Cabriolet
'86 560SL 124K Miles
'94 320E Wagon, 74K Miles-128K Miles JUNKED
'06 E350 Wagon, 84K Miles
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  #9  
Old 03-31-2001, 12:34 AM
John34609
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I just bought a 1984 300D Turbodiesel back in Feb. My dash lights were so dim, I couldnt see my speed if a car was coming at me from the other direction with it's lights on! Although yours is probably not broken like mine, I noticed that the clear plastic panel that covers the cluster comes off (I think originally they were glued to the cluster housing). I noticed that the dash lights are actually bulbs that plug in the back side of the cluster but they don't provide "back lighting" instead, they somehow transmit the light up these clear plastic pieces that then have angled clear plastic faces on them that reflect back to the face of the instruments. I replaced the bulbs but also cleaned the clear plastic as the dust that somehow accumulated in there over the last 16 years had really dimmed the reflective light.
Hope this helps.

John
1984 300D Turbodiesel
173,500 miles
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  #10  
Old 03-31-2001, 02:53 AM
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Location: Tucson, Arizona
Posts: 758
Painless removal

Greetings ML DUDE,

To remove your dash cluster without constructing a tool, simply remove the kick panel, probably four screws in your case, and push the cluster out from behind. If you totally want to remove the cluster don't forget to unscrew the speedo cable, unplug the dash harness and speedo electronics plug as well as the oil pressure brass fitting from the rear of it's gauge. The dash lights are probably emitting from the bulb of two sockets through a fiber optic plastic to the dash. Indirect lighting I think they call it. Check the bulbs for the proper size, Parts shop has them otherwise. Clean the output lense of the fiber light end and you should be back to normal lighting. Got to remember that Benz lighting is what they call natural, and not the green hue that is easy to adapt to after getting hit with someones brights, it's the same hue of light, so it maybe hard to readjust your eyes to see the same color. just something else to get use to on these older Benz's.

Hope this helps, Been there and have already done this one.


Charles
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  #11  
Old 03-31-2001, 04:11 PM
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Posts: 39
Instrument Lights

I've had both the problems you're dealing with. The cluster comes out a couple of inches very easily after the under dash panel is removed. But to see what you're doing the speedo and maybe the oil line, that's right oil line, need to be taken off. If you need to disconnect the oil line (yes it has oil in it) do it at the other end where an oil drop won't be noticed. When you replace your bulbs there are three types, one large and two small. Two of them appear to be interchangeable but aren't. One small bulb type comes with its own socket the other doesn't.

My engine shake was solved by new motor mounts.
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