Engine Oil Coolers May Leakon Mercedes-Benz S600

The engine oil coolers may leak; Our technicians tell us removal of the cylinder heads is required to correct this leak.

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Average mileage : 88,477 (52,000–153,000)
2 Years Affected: 2001, 2002
8 people reported this problem
6 people shared problem details
OIL LEAK GETTING WORSE. THE MECHANIC MENTIONED THAT IT WAS COMING FROM THE VALVE COVER GASKET, HAD THEM REPLACE IT 2000- STILL LEAKING OIL, BUT NOW FROM THE REAR INTAKE GASKET. i AM EXTREMELY DISAPPOINTED IN mbz
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had this happen last year, oil leak got progressively worse, major repair since the engine has to be taken apart to get to it, cost me $3,500 to repair the leaking seal on this thing... the oil pressure switch and the oil level sender have also leaked, $300 each.
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oil cooler leaking oil about 1 quart every 100 miles. shame on mercedes. have not fixed and probaly wont they want 5000.00 to fix
My check engine light turned on and my car went into limp mode, or what I thought was limp mode. This was cylinders 7-12 shutting down. I figured it to be transmission issues. I took it to the shop and the diagnosis was the oil cooler is failing and it had a leak also. It's a 28 hour job and will cost $4,000-4,500 to fix it. I don't know if the car (S600) is worth it to repair though.
Oil cooler leak. Heads removed. $500 fix 3 years ago. Now 74000 miles on car and appears to have recurred. Mercedes refused to make good on repair on last leak at 52000 miles, but did pick up 10% of the bill. My $4500 cost was after the 10% discount.
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