E280 1994 Wiring Harness

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E280 1994 Wiring Harness

Postby mattyh » Mon 19 Nov, 2012 8:02 pm

This old chestnut ....

Does anyone have a recent good news story for me on the price of the main wiring harness for a 1994 E280? Sadly I think mine has commenced its self-recycling process.
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Re: E280 1994 Wiring Harness

Postby John Green » Mon 19 Nov, 2012 8:53 pm

Only help I can offer is a price cheaper than the stealership. Ring us on 1300 787 300...
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Re: E280 1994 Wiring Harness

Postby Mike » Thu 13 Dec, 2012 4:44 pm

Hi There , You should be able to get a new one for about $1200 from Peach Parts I got a quote from them a few months ago.
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Re: E280 1994 Wiring Harness

Postby Ivanerrol » Thu 13 Dec, 2012 9:09 pm

Mike wrote:Hi There , You should be able to get a new one for about $1200 from Peach Parts I got a quote from them a few months ago.


Peachparts will be selling you one for the U.S. market and LHD.

Even the Japanese RHD harnesses are different.
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Re: E280 1994 Wiring Harness

Postby Mike » Fri 14 Dec, 2012 6:50 am

I will check that with them but they know I'm in Australia and the vin number of the car. Mike.
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Re: E280 1994 Wiring Harness

Postby Mercmad » Fri 14 Dec, 2012 10:15 am

Even the pommy RHD loom is completely different. You can go the other route and shrink wrap the wires .
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Re: E280 1994 Wiring Harness

Postby Mike » Fri 14 Dec, 2012 12:56 pm

Is the VIN number enough info to ensure getting the right harness or is there other information that would be needed? Is heat shrinking the wires a serious option? Mike.
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Re: E280 1994 Wiring Harness

Postby Hendrik » Sat 15 Dec, 2012 2:40 pm

Oooh that reminds me, there is a E220 sitting in the U pull it @ Lonsdale, might see if the harness is good, won't fit a E280but could be worth a dollar or two :dontknow:
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Re: E280 1994 Wiring Harness

Postby mattyh » Tue 18 Dec, 2012 7:25 pm

Thanks for the replies guys. I had to jump a few weeks ago, and managed to get one (124-440-5332, new, original MB, made in Portugal) for $1450 off a bloke who seemed to have a spare lying around(!). It fits, and the car works, so I guess it must be OK.

Since the repairs (head gasket and wiring harness) it's had a new issue though. When accelerating it feels as if it only has about 75% power for a couple of seconds, then with some extra pedal pressure it comes good and the revs jump and full power is available again. Any idea what these symptoms would indicate, especially something that may have been unsettled during the described repairs?
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Re: E280 1994 Wiring Harness

Postby CraigB » Wed 19 Dec, 2012 7:06 am

That's a great idea Hendrik because every chance it may have been replaced if not showing degradation. I am sure anyone would be happy to pay upullit price plus a healthy premium for your time and trouble.

And Matty, not saying this to make you feel bad - but raising the point for others and yours is probably fine and just a thought that ran through my head. If the guy had 'one lying around' there is no chance it is NOS (new old stock) and have the problems of the original? Will still last another 10 plus years anyway and what's done is done, but it would just cross my mind if what i was buying was not mb related.
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Re: E280 1994 Wiring Harness

Postby mattyh » Wed 19 Dec, 2012 10:31 am

Thanks Craig, the part was date-stamped some time in 2012, so not new old stock. He probably brings them in from Asia or something for a bit of spare cash.

Regarding my symptoms, searching the M104 engine on Wikipedia (of all places) yields this pearl of wisdom, so to be on Wikipedia I guess it must be a fairly common issue .... "If the coils become damaged they may still operate at low engine rpm normally, but at higher engine loads the coils can break down resulting in engine power loss as the number of power producing cylinders reduce from six to four or even in worse case scenarios two."

But I'm curious how a coil might degrade during a gasket/harness replacement, or maybe just a co-incidence? A further symptom I believe I have is that when I rev the engine in Park/Neutral it "felt like" the rev limiter was cutting in at ~4000rpm, though I haven't tried to reproduce this symptom to confirm it.
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Re: E280 1994 Wiring Harness

Postby CraigB » Wed 19 Dec, 2012 1:09 pm

Thats good about the date.

Re the problem, if the symptom is covered by a coil breaking down, i would go over all the contacts of where you replaced it, maybe spray some cleaner on there - just thinking if the current is not fully passing it may cause the breakdown and fits the 'coincidence'.
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Re: E280 1994 Wiring Harness

Postby mattyh » Thu 20 Dec, 2012 7:39 am

Thanks again Craig. I tested the 4000rpm cut-out again last night, and it is certain. It won't rev past ~4100rpm and it feels like a rev limiter cutting in. Perhaps it thinks it's in limp-home mode or something? If I get some time I might try taking off the coil cover and seeing if the connections are OK. What's a good product to clean the connections with? I might also re-post this under a new heading to see if anyone else has had the cut-out symptom and knows what it's likely to be ...
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Re: E280 1994 Wiring Harness

Postby CraigB » Thu 20 Dec, 2012 6:00 pm

I'm sure there are better experts on here to advise on cleaner etc but I just use from jaycar a contact cleaner i think it is, they have a range of products so if you read the cans you will be able to pick the best one. I have a cleaner and one that protects.
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