ML320 oil will not drain!
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Joined: Mar 2014
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2001. ML 320
ML320 oil will not drain!
Have a 2000 ML320. Pulling into driveway Friday PM low oil light lit. Shut car off and let it sit. Saturday purchased 8 quarts (2 gallons) of Mobil 1 5W 30 and new filter. Pulled drain plug using 10MM allen wrench and less than one gallon of oil in catch basin. Replaced filter and O-rings. Replaced oil with new 5W 30, let car idle, and tried to drain again. Nothing, less than a 1/4 cup.
Let car idle for 30 minutes and tried to drain. Nothing. Today purchased a quart of engine flush. Idled as on directions, cold engine, five minutes, still no oil from drain plug. Siphoned excess oil out of dip stick tube to bring level back to normal.
Oil siphoned out is warm. Oil reservoir, where drain plug is is cold.
What next?
NC
Let car idle for 30 minutes and tried to drain. Nothing. Today purchased a quart of engine flush. Idled as on directions, cold engine, five minutes, still no oil from drain plug. Siphoned excess oil out of dip stick tube to bring level back to normal.
Oil siphoned out is warm. Oil reservoir, where drain plug is is cold.
What next?
NC
Last edited by NCporsche; Jul 20, 2014 at 01:22 PM. Reason: speling corection
Senior Member
Joined: Mar 2002
Posts: 282
Likes: 5
From: Brisbane, Australia
2002 ML320, 2003 A160
The sump drain plug is a 13 mm bolt, on the right side of the sump which is at the bottom of the engine.
You drained your front diff like this owner did: http://www.benzworld.org/forums/w163...ing-trans.html
As Art said, you need to buy the correct gear oil from your MB dealer and refill the diff before you drive anywhere. Otherwise you could destroy the diff. Alternatively, you can use any oil in the "90" column of this page: http://bevo.mercedes-benz.com/bevolisten/235.0_en.html
You drained your front diff like this owner did: http://www.benzworld.org/forums/w163...ing-trans.html
As Art said, you need to buy the correct gear oil from your MB dealer and refill the diff before you drive anywhere. Otherwise you could destroy the diff. Alternatively, you can use any oil in the "90" column of this page: http://bevo.mercedes-benz.com/bevolisten/235.0_en.html
