Pretty simple question ... is oil leaking out of your motor (burning oil doesn't apply)?

I am just wondering because I bought my diesel with three oil leaks. After leaving it parked after over night after driving it, I get three small oil puddles on the cement. All the spots are around 2" in diameter. The leaks are coming from the oil filter housing gasket, the front of the IP to block connection, and an oil hose at the turbo.

I hate polluting the enviorment so I will be fixing or have them fixed shortly.

I am just wondering if you guys have little leaks on your motor? When you fix them, do they resurface?

Cassidy

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Cassidy
1982 MB 300DT - Running Great @ 104K!

1972 MB 220D - RIP @ ~200K (Dropped prechamber)
1992 MB 190E 2.6 - SOLD @ 145K

Have you confirmed that the oil leak from the hose at the turbo is actually that?

I ask 'cause the oil drain for the oil separator in the air cleaner housing is right around there, and if even one of the mounts for the air cleaner housing is broken, it's a fair bet that the nipple in the air cleaner housing disengaged itself from the metal oil return line, and that may be the source of your leak.

I've got this problem; if it weren't for that, my car would be leak-free.

Just something to check...good luck!

I just have the usual turbo oil return pipe leak. It's actually gotten better since I got the car(go figure). Just leaves a small spot(maybe an inch in dia at most) after sitting a day or 2 on the cement floor of my garage.

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past MB rides:
'68 220D
'68 220D(another one)
'67 230
'84 SD
Current rides:
'06 Lexus RX330
'93 Ford F-250
'96 Corvette
'99 Polaris 700 RMK sled
2011 Polaris Assault
'86 Yamaha TT350(good 'ol thumper)

Too many damn oil leaks to count. I hate having them becasue I have many friends that live in nice neighborhoods, and whenever I leave they always tell me I have an oil leak, embarrasing.
David

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2000 Honda Accord V6 137k miles

1972 300SEL 4.5 98k miles

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A few, when I start driving the car next week we'll see how many I really have. I'll fix the major/simple ones, than just live with the rest.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

yep - the daily driver. I dropped an engine/tranny in it at around 234k miles (the engine/tranny came out of a car with 144k miles). It looks like there is some leakage at the front main seal, the IP and the oil filter housing. I will NEVER have an engine on an engine stand without replacing the gaskets/seals that would resolve these leaks. Doesn't leak much but there are some leaks. In addition to the '85 300D leaks the '81 has some leaks too. Not sure where all they are at but it goes through a quart of oil within about 1000 miles. My plans are to go through the engine in it this summer. The SD does not leak.

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Jim

I loose 0.5 quart every 3000 miles.
It is on my repair list, when work slows down.

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ASE Master Mechanic
asemastermechanic@juno.com

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
1984 190D
2003 Volvo V70
2002 Honda Civic

https://www.boldegoist.com/

Not a drop from the '72 or the '95.
Of course I only drive the '72 about 1,000 a year, so that helps.

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1992 500SEL 25K
1995 E320 40K
1995 SL600 120K
2002 JX8 Sport 43K
2005 Volvo S40 95K
2006 Isuzu NPR 304K (Frankencamper)
2007 Crown Victoria 150K
2014 Smart Electric 20K

When looking under my SDL last week with my Mechanic, we noticed the lower "shroud" was coming loose. Originally these cars had large contoured panels under the engine and transmissions. The mechanic was joking (not sure he was) that Mercedes actually put these in to "hold" all the oil drips from the diesels so that customers of new ones would not come running back to get every little drip fixed under warranty.

Diesels seep and leak oil. Ever seen a 80's Detroit Diesel in a boat? Mercedes drips are nothing.

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Alan Hamm
'87 300SDL 277K Miles
'89 560 SL 68K Miles

Yes, I have the usual suspects.... Turbo drain pipe seals and air filter housing (blow-by), are the worst. Oil cooler lines are "weeping" but not leaking. Am loosing around 1 quart every 500 miles, but engine runs well. Have 200K+ miles on her and is my daily driver. I am going to try the turbo seals replacement soon.

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Mr Goodfahrt (pronounced FAIRT... means "good trip" in German)

1982 300D Turbo Pastel Gray (off-white) 200k+(?)
newbie but willing

Not a single leak on my W210 that has had synthetic since new. Don't ask about the 240D.

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Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
Chain Elongation References

My 300D needs a new oil pan gasket, but it doesn"t really mark the driveway.
My 240D front main seal leaks a bit, but it doesn't reach the driveway.
My old 115 240D didn't leak a drop, although the bottom side of the engine was pretty grimey.
My Isuzu diesel pickup piddles enough that I don't park it in the driveway without putting out cardboard.
Synthetic oil didn't cause any new leaks on the MB's, but the Zuzu didn't take to it very well at all.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



TRUMP .......... WHITEHOUSE
HILLARY .........JAILHOUSE
BERNIE .......... NUTHOUSE
0BAMA .......... OUTHOUSE

all the dirt on my extremely filthy engine must catch all the drips before they hit the ground and thus make the engine even dirtier :p

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1984 300D Turbo - 231k....totalled 11/30/07 RIP

My 82 300D leaves a few drops on the ground overnight after driving. One of the leaks was coming from the turbo return pipe, but I believe that one is fixed. However I can't find the other sources. My 240D is a bit wet at the bottom but it doesn't drip. My 87 300D has no oil leaks but it drips power steering fluid.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL

Only when I'm under it...