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Old May 25, 2008 | 03:38 PM
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Jeep2Xfire
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Joined: Nov 2007
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From: Jacksonville, FL
Default Re: Water in engine - Problems abound! - UPDATE

Originally Posted by WayneK
I just went into the garage to spend some quality time with my wounded girl.

I pulled the plugs out of the 1st 2 cylinders on the passenger side. (Cylinders 1 & 2 - What order does MB use for them?) They were normal looking. No water, no excess oil, etc. Just for the heck of it I cleaned the plugs with degreaser, a fine wire brush, & electrical contact cleaner and re-installed them. I

I pulled the plugs out of the 1st cylinder on the drive side (cylinder 4?) (right under the oil fill spout) Both plugs were fouled with oily gunk. I cleaned the plugs with degreaser, a fine wire brush, & electrical contact cleaner then re-installed them. I pulled the plugs from the next cylinder (cylinder 5?) They looked fine.

I cranked her up for about a minute. She started right up but that noise is E V I L. It sounds like there is a Gnome with a steel mallet inside the number 4 cylinder and he wants OUT!

I'm worried that the rod is bent, block cracked, head cracked. You know, the generally evil & expensive stuff.

What makes life worse is that State Farms claim center is closed because of the holiday. So I have to WAIT until Tuesday. Arg! (Have I mentioned I'm NOT very good at waiting. LoL)

Does anyone know who sells the top end rebuild gasket kit and a GOOD set of Torx sockets? This way if they say 'NO' on covering the damage I can pull the head and see what's up.

BTW what year / engine does this engine equate to in the MB line? (My car is a '04 Crossfire) I know I've read it on here a few times but damned if I can remember it right now.

H E L P



Wayne K.
The motor you have is the Mercedes Benz M112. There is no specific year/make/model they are in because they've been in cars since the late 80's I believe. Any Benz with the number "320" in it's model has that motor since they name their cars with a "Class" (C,E,SL,SLK, etc.) and then the motor size (3.2L 320; 5.0L 500). Don't race anything with a 2 number engine designator, that's AMG territory.
 
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