Oil Consuption
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Junior Member
Joined: Mar 2005
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Oil Consuption
Hi guys,
I have a GL320 and my light came on to check oil level at next refueling.
The car has only 2400 miles on it and i was wondering if this is normal. Do diesel engines burn oil?? Or is this part of the break in?? If so how long till a diesel engine breaks in???
I have a GL320 and my light came on to check oil level at next refueling.
The car has only 2400 miles on it and i was wondering if this is normal. Do diesel engines burn oil?? Or is this part of the break in?? If so how long till a diesel engine breaks in???
Super Member
Joined: Aug 2007
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From: Spicewood, TX
2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
Originally Posted by tm4exc
Of interest is the note in the interactive on line manual about oil consumption:
"Depending on how it is driven, the vehicle consumes a maximum of 0.8 l oil per 1,000 km. The oil consumption may be higher than this when the vehicle is new or if you frequently drive at high engine speeds.
You can only estimate the oil consumption after you have driven a considerable distance.
You will find further information about engine oil in the "Technical data" section "
It does not say to what engine this consumption data applies. One can assume all of them at this point.
This is the link. I have not got my GL yet (arrives in a week) but I have found this International manual very informative. You can also search with it in the detail section. Link followshttp://www4.mercedes-benz.com/e/cars/gl-class/betriebsanleitung/flash6.html
Good luck!
Of interest is the note in the interactive on line manual about oil consumption:
"Depending on how it is driven, the vehicle consumes a maximum of 0.8 l oil per 1,000 km. The oil consumption may be higher than this when the vehicle is new or if you frequently drive at high engine speeds.
You can only estimate the oil consumption after you have driven a considerable distance.
You will find further information about engine oil in the "Technical data" section "
It does not say to what engine this consumption data applies. One can assume all of them at this point.
This is the link. I have not got my GL yet (arrives in a week) but I have found this International manual very informative. You can also search with it in the detail section. Link followshttp://www4.mercedes-benz.com/e/cars/gl-class/betriebsanleitung/flash6.html
Good luck!
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I've had four different CDIs. I've added about one litre (quart) of oil once in the middle of the oil change period (a bit less than 30 000 km, 18 000 miles).
The figures on the manual are extreme, mainly to protect the car manufacturer liability against some less than ideal engines.
The figures on the manual are extreme, mainly to protect the car manufacturer liability against some less than ideal engines.
Super Member
Joined: Aug 2007
Posts: 603
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From: Spicewood, TX
2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
I've had four different CDIs. I've added about one litre (quart) of oil once in the middle of the oil change period (a bit less than 30 000 km, 18 000 miles).
The figures on the manual are extreme, mainly to protect the car manufacturer liability against some less than ideal engines.
The figures on the manual are extreme, mainly to protect the car manufacturer liability against some less than ideal engines.
Trodas, I forgot to mention, there is a known oil sensor problem with the GL 320. You can read about it on the GL forum.
Junior Member
Joined: Aug 2007
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'08 GL320 CDI, 2001 996 C4S
I agree. 0.8 L / 1000km is pretty extreme. All the Powerstrokes I have driven have used 1 - 2 qts between oil changes. 3 of these were still running great with well over 200,000 miles when they were sold. The Duramax, less than 1 qt, so I have never had to add oil yet, at 22,000 miles. I know there are diesels that do not use oil. I just haven't found one yet. Maybe the GL 320 will be the first.
Trodas, I forgot to mention, there is a known oil sensor problem with the GL 320. You can read about it on the GL forum.
Trodas, I forgot to mention, there is a known oil sensor problem with the GL 320. You can read about it on the GL forum.
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Junior Member
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R320 CDI
I had mine come on twice during a recent road trip in my R320 CDI with about the same mileage. The first went away after I filled up, but came on again about 100 miles later. I checked the oil and it was more than halfway up the dipstick. I was going to call my dealer to have it checked out. As long as there is enough oil in the engine, I wouldn't worry about it until the TSB comes out.
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