Another E63 bites the dust...
Last edited by M and AMG; Jul 11, 2014 at 09:06 AM.
If the coolant is low,
remove all sparkplugs and then using short key flicks on the starter, crank the engine over to see if any coolant rushes out, if you see coolant then yes you are into a head removal operation. The clicking could be from the cyl being full of coolant after you shut the engine off with the 16LB coolant pressure fills the offending cyl and in effect hydro locks the engine, Coolant does not compress.
Last edited by Critter; Jul 9, 2014 at 08:56 PM.




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Is your car stock? Aftermarket warranty? I would take it to the dealer or your favorite indy shop and have test run. Unless you have a leakdown kit to use and find out if you have a head gasket leak or cylinder damage.

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Could you see the white wall inside of the reservoir, that is the normal level, it will never be full to the top.
Our cars can sit for days and there is still a small pop noise when the reservoir cap is removed.
No pressure is not a good sign especially with the engine not cranking over.
If you have the expertise to remove the air boxes, unbolt the coil packs and remove "ALL" of the sparkplugs then by short flicks of the key you will be able to detect coolant flying out of the plug hole or holes and at least find out which side is the offending gasket or head bolt.
This is all BS as in if you see coolant shooting out the engine will indeed have to be repaired and chances are you do not have the appropriate tools to do the job.
Make friends with a MB tech,
Sorry buddy no good news with this.
Last edited by Critter; Jul 10, 2014 at 11:30 AM.
At about 40k miles, one of the valves broke and embedded itself in the top of the piston.
This happened under medium acceleration. I lost power and could hear a very loud metal/ticking that changed speeds with engine revs.
I drove for about 10 seconds and then pulled it into a lot for towing.
I don't recall seeing much if any smoke.
Not sure if that helps but just sharing my experience. Mine required a new block and a lot more. Thank god I had warranty or the repair would have been more than the car.
At about 40k miles, one of the valves broke and embedded itself in the top of the piston.
This happened under medium acceleration. I lost power and could hear a very loud metal/ticking that changed speeds with engine revs.
I drove for about 10 seconds and then pulled it into a lot for towing.
I don't recall seeing much if any smoke.
Not sure if that helps but just sharing my experience. Mine required a new block and a lot more. Thank god I had warranty or the repair would have been more than the car.



summer temps

Godspeed.