S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Oil Leak

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Old Dec 16, 2007 | 10:10 PM
  #1  
93300Se's Avatar
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Joined: Sep 2004
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85 yugo
Oil Leak

1993 300SE M104 Engine.

Recently The car has been going through oil pretty fast. The right hand side of the engine behind the rearest exhaust manifold has quite a bit of oil under it. For one thing I highly doubt that it is the head gasket because it was replaced no more than 10,000 miles ago.

Its not much but every 1.5 weeks I have no choice but to fill a quart of oil.

Also, it has been very sluggish especially after driving for a while. Below 3000rpm there is no power, barely any movement. Once it goes over 3000 it feels as if you have floored it and triped the kickdown switch.
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Old Dec 17, 2007 | 05:50 PM
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jjay911's Avatar
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Joined: Mar 2006
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From: Socal
1991 300sl 5 speed manual
Yes you have a blown head gasket (Sounds like they didnt shim the head where that old bolt hole was) and the power problem you have is you need new fuel injectors. They are streaming in stead of Spraying. Its the crappy refined gas that is the problem.
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