Wiring loom replacement question
Thread Starter
Junior Member
Joined: Feb 2017
Posts: 20
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From: Liverpool, UK
2006 CLK 200k Cabriolet
Wiring loom replacement question
When replacing the wiring loom can you replace with a loom from another car as long as the loom manufacturer codes match up with yours? Will this cause any issues? I see a swap with matched loom codes as a like for like swap, is this correct?
Thread Starter
Junior Member
Joined: Feb 2017
Posts: 20
Likes: 0
From: Liverpool, UK
2006 CLK 200k Cabriolet
It's the engine wiring loom, mine has oil in from cam magnet leak. Unplugged lots of connections and sure enough they are oily inside. Ecu not been bothered by it although there is traces in connector. I've seen a matching loom same full 271 code so was wondering can I just replace with this?
MBWorld Fanatic!
Joined: Dec 2010
Posts: 2,109
Likes: 112
2008 CLK550 Cab
Having replaced more than one connector recently due to breakage from age and heat, and knowing how they are made, I would not replace my engine wiring harness just because I had oil in some connectors. Go buy a can or two of the fast evaporating style of electrical contact cleaner and just spray them off good. That stuff just eats oil. Walmart sells it for about half what the auto parts stores do.
Last edited by Yidney; Apr 11, 2017 at 01:27 PM.
MBworld Guru
Joined: Dec 2009
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NO LONGER ACTIVE
On the M271, there is a defect where oil leaks from the camshaft sensors into the wiring and wicks into the ECU. MBZ's solution is to replace the seals on the sensors, wiring harness and also add some pigtails to create a "drip loop" to keep future oil leaks out of the ECU.
Thread Starter
Junior Member
Joined: Feb 2017
Posts: 20
Likes: 0
From: Liverpool, UK
2006 CLK 200k Cabriolet
On the M271, there is a defect where oil leaks from the camshaft sensors into the wiring and wicks into the ECU. MBZ's solution is to replace the seals on the sensors, wiring harness and also add some pigtails to create a "drip loop" to keep future oil leaks out of the ECU.
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