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#1
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'04 E320 Dead Instrument Cluster
My '04 E320 wagon has a dead instrument cluster. At first the instruments started resetting, the whole cluster would go dark while driving then immediately power up, the clock would reset by turning backwards. Occasionally the gauge cluster would be dark right after starting the car then it would power up after a minute or two of driving, reset clock and would be fine for a day or a few days. Now it's completely dead, no gauges, idiot lights or instruments ever.
So far I have: Tested/charged main and auxiliary battery - batteries are good Looked at central gateway for corrosion on connections - none Looked at all the fuse panels, pulled fuses and re-seated, checked for corrosion - all seem OK I have spent some time online researching but haven't found much in the way of conclusive info an where to go next. Was considering buying an icarsoft i980 scanner to help diagnose but not sure if that will help? Any suggestions welcome.
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#2
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If the instrument cluster has power and its dead, then its time for a new instrument cluster. AFAIK, new from MB is the only option as the replacement cluster has to be married to the car before it will work.
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90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff |
#3
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I will probe the harness of the instrument cluster for voltage and see what I find. Research says two other places to look related to battery power fault, a Battery Relay that is beneath the windshield shrouding, and a battery Control Module in the back. I can see both of these units but there is trim to be removed in order to test/inspect them.
For a new cluster the only option seems to be the dealer. Cost for a new cluster is CAD $1,125.00 list, plus the labour to code it. I have a related question for folks who might know - seems like it is possible to replace the cluster, central gateway, and two other boxes, and have everything work?
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#4
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Open up the cluster, and change the big electrolytic capacitors. It is usually the problem on these cars.
To go through the other monkey business is non-sense.. Martin |
#5
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Thanks, will look into that. Also, found out you can swap the large board from back of cluster to a replacement cluster and no coding or swapping of other components required.
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#6
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Have you spoke with James at MB Cluster?
James Kouramanis 8 Blacktoft Drive Scarborough, Ontario M1B 2M6 CANADA Telephone: (416)724-2149
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
#7
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No! Great source, thank you!
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#8
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James at MB Cluster is a very smart guy, yet I have never sent a cluster to him, but he knows what he is talking about... Go with him if you got butterflies with the capacitors..
Martin |
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