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Old 01-04-2022, 01:48 PM
My-red560SL My-red560SL is offline
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Join Date: Nov 2021
Location: Arizona USA
Posts: 13
Quote:
Originally Posted by Sugar Bear View Post
Do a cylinder leak down test BEFORE pulling any thing apart. Those are robust engines with a good chance it does not need a rebuild, maybe just valve work if anything. If the test is good fix everything timing chain and oil leak related and drive on!!!


Good luck!!!
The car has not started since 2008 and it is sitting on an engine stand. I didn’t intend to rebuild it. I removed the trans and sent it off to Sun Valley Mercedes. Since trans is out and it has a rear seal leak, I removed the rear seal. After removing I find the seal spun and gouged the rear cover. So I have a new cover which means now the pan gasket needed replacement. Because of this I decided to pull the engine (tranny already out). After removing the pan I then find lower slide rail pieces in the oil pump’s pick up tube. So now I have to remove the front timing cover to replace those broken guides. When I remove that I can only imagine what I find next.

As you can see it all started with a simple rear seal replacement and then spun out of control. I call it my personal rabbit hole. Oh yah, after removing the engine I find broken & burned wires in the harness so I’m doing that too.

Doesn’t this happen to everyone owning one of these cars? I’ve just accepted I will be tearing this engine apart. Maybe I’ll need to grind the cams & crankshaft and install new main bearings and spend a million dollars on this $5,000 car.
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