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Old 01-03-2003, 09:48 AM
Registered User
Join Date: Dec 2002
Location: Jonesboro, AR
Posts: 172
Instrument Cluster Removal -- Help!

The odometer needs a tune-up on my '80 300SD. I have searched the archives, and feel confident that I can make this repair.

My problem? I cannot find specific, detailed instructions for the removal of the instrument cluster.

I do not want to risk messing up this vehicle, but it seems every post having to do with guage or lighting problems simply state "remove the instrument cluster".

Can some kind soul help this old man out with clear, detailed instructions? Also, does my oil pressure guage have an oil line running to it? How do I remove and replace the oil line, if I have one, without causing a leak?

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Old 01-03-2003, 10:00 AM
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Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 11,243
It should pull straight out. You either need to try to get behind it and push or make up some "hooked" rods that you can slip in between the cluster and the housing surrounding it. You should be able to pull it out a little then reach in behind it and undo the speedo cable and then the oil pressure line. Use a "backup" wrench when loosening the oil pressure line. Not too sure about replacing the line.
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Old 01-03-2003, 12:09 PM
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MTI MTI is offline
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Join Date: Nov 2002
Location: Scottsdale, Arizona
Posts: 10,627
To avoid stretching the speedo cable (resulting in a bouncy needle) I suggest that you remove the underdash panel and unscrew the speedo cable before moving the cluster. There may be plastic a/c ducting that can be removed to make access easier. An alternative is to undo the speedo cable from the transmission under the car first, then you can pull the cluster with plenty of play in the cable.
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Old 01-03-2003, 12:32 PM
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Join Date: Dec 2002
Location: monclova coahuila mexico
Posts: 23
cluster removal

the cluster can be removed by pulling at the left side just there besides the left turn signal and at the rightturn signal level with the fingers pull equal or paralel . the oil pressure gauge needs a 10m.m. wrench.

for better space you can remove the stering wheel. prying out the horn pad you will find a allen 10mm. the stering wheel needs to pull to get out.
have a nice year. and congratulations the 300SD 1980-W116 is the most beatiful and luxory benz.
alberto mendez 300SD.
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Old 01-03-2003, 07:19 PM
Senior Member
Join Date: Sep 2002
Location: New Jersey, U.S.A.
Posts: 2,398
What kind of "tune-up" does your odometer need?
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Old 01-03-2003, 10:36 PM
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Join Date: Dec 2002
Location: Jonesboro, AR
Posts: 172
The odo only works intermitently. I intend to repair it using the technique described in the archive -- stop the potmetal gear from turning on the shaft.
My problem is that I had needed instructions on removing the cluster so that I could take the odometer assembly out.

I appreciate all the suggestions and help from the forum members. The right place with the correct info.

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