I have noticed a small amount of oil on top of the breather (103 engine) where the breather hose enters the top of the breather. Always a small amount. Any reason for concern?

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• 2001 E320

i'm no tech but it seem like no problem to me. take off your oil cap and rev the engine up. drops of oil will splatter everywere. also, when the oil heats up it will cause condensation just like boiling water. as long as thier is not a pool of oil dripping into your filter housing i doubt you have a problem.
good luck,
adam

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Current Stable:
01 ML55 AMG
92 500E (a few mods)
87 300E (lots of mods)
00 Chevy 3500HD Diesel Box Truck
68 18' Donzi Marine
06 GT i-Drive7 1.0 Mountain Bike (with GPS!)

PREVIOUSLY OWNED:83 300SD, 87 420SEL, 88 420SEL, 90 420SEL, 86 560SEL, 86 190E 2.3-16V AMG, 94 E320

May indicate a blowby condition. Keep an eye on it. If you feel so inclined, check the compression and do a leakdown test. If it's a small amount, just keep an eye. You could also change the air filter element, if it's dirty.

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Jeff Lawrence
1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.

I think that jeff is right on the money.

Good luck,