New guy 02' CL600 needs advice and a good mechanic ( S.F./ bay area ) - Mercedes-Benz Forum

 
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post #1 of 4 (permalink) Old 12-08-2007, 03:18 PM Thread Starter
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Date registered: Dec 2007
Vehicle: 2002 CL600
Location: S.F./ Bay area
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New guy 02' CL600 needs advice and a good mechanic ( S.F./ bay area )

I have a 2002 cl600 that has been serviced regularly and mechanically sound until very recently when I took the car to a different dealership than usual. Basically, I was told i had a common oil leak on the (I think) intake manifold and it wasn't really a big deal unless i noticed oil drips. None. After using this other dealership, out of no where my check engine light would blink 3 times and i would loose maybe 60% of power. I took the car back and in the time of a few short days I had amassed $10,000 in repair cost. of course no fault of the service shop. Now I needed new spark plugs (no problem with that), a driver side ignition coil (?? I guess, not too crazy), and because my oil leak that was "so common" and "no big deal unless you see puddles", was leaking on an electrical connector and I would now need to replace the entire engine harness ((WTF???? never a mention of this potential problem in my 100 previous services))...

ok, heres the question. can I just replace this faulty connector instead of every wire to the entire engine? have you ever heard of this happening before? Good mechanics in San Francisco/ bay area? Any info will help me very much. thanks in advance.
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post #2 of 4 (permalink) Old 12-09-2007, 10:56 AM
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Date registered: Jan 2007
Vehicle: 2002 honda civic (sold), 2009 Mercedes ML350
Location: Miami, florida
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the cl and s class v-12's are probably one of the worst engines benz came out with. the oil leaks from the oil cooler is common and misfires from faulty ingition modules are common. now as far as oil in the harness, you first need to find out what is causing the leak. once oil enters the wiring harness, current carries the oil through the harness untill it reaches an end point, usually other connecters or the me control unit. as that point, it is wise to replace the harness and the leaky component as oil causes extra resistance. the usually part that leaks oil are the shutoff valves on the driver bank.

understand that not all techs out there care to point out things wrong with the car. others if they notice something will try and sell it. its best that you find a dealer who will point out potential issues and whats wrong with a car. my advice to you is get rid of the cl600, or get a really good extended warranty because repiars are not cheap. especially the oil leak. once oil hits the ground, its expensive, around $5000 to start. the parts that leak are cheap but the labor to replace them arent.
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post #3 of 4 (permalink) Old 12-10-2007, 08:49 AM Thread Starter
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Date registered: Dec 2007
Vehicle: 2002 CL600
Location: S.F./ Bay area
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thanks for that info streetglower.. when i first purchased the car i had the car inspected and all potenial issues reported to me. i was told of the common oil leak on the intake manifold and this was the only mechanical issue with the car, everything else was in order. the connector i was told was from the wiring harness to the ignition banks. i was told that it is possible and acceptable for merc techs to replace just the faulty connector and nott the entire loom if possible, it makes much more sense to fix the oil leak and connector, but not change the entire harness. im sure fixing the problem will be far less than the 30 plus hrs of labor quoted. also, after i deal with this issue, can somebody refer me to a good extended warranty link? thanks again.
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post #4 of 4 (permalink) Old 12-10-2007, 06:19 PM
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Date registered: Jan 2007
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if oil has made its way to a connecter, replacing the connecter does nothing. you still have oil at the base of the wire, and once its at the connecter, its already in the harness. if your trying to save money, you can clean the connecter, again replacing the connecter doesnt do anything. at the same time if no issues are happening to your car then just clean off the oil and let it go.

now the 30 plug hours is probably to fix the oil cooler leaking issue.
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