Oil Question
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12 E550
Oil Question
I have a brand new R320 CDI. It is my first Diesel so I don't know much about it. It has 4K and the oil has always been really black in color. I had a free oil change from my dealer and decided to change the oil at 4K. I just got the car back they said they did the oil change but the oil still looks really black. What's up with that. I am suspecting they took the voucher for the free oil change and did not do it... or is this some kind of special oil that appears different form gas engine oil. THanks
![word](https://mbworld.org/forums/images/smilies/werd.gif)
#2
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e300d
If the oil wasn't black, you'd really have something to worry about!
The color indicates the soot is being held in suspension.
It's good.
If you have doubts whether the oil was actually changed, do it yourself in the future and eliminate the guesswork!
The color indicates the soot is being held in suspension.
![Wink](https://mbworld.org/forums/images/smilies/wink.gif)
If you have doubts whether the oil was actually changed, do it yourself in the future and eliminate the guesswork!
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12 E550
Where is the oil filter located?
If it is that round thing on the right top of the engine it was covered in dust. I don't think they ever opened it.
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e300d
there are lots of round things on the engine. ![nix](https://mbworld.org/forums/images/smilies/nixweiss.gif)
While I'm not familiar the new the CRD engine, it's "possible" the technician dumped the oil into the oil filter housing. It can be quicker to do that and you've got it open already to change the filter.
![nix](https://mbworld.org/forums/images/smilies/nixweiss.gif)
While I'm not familiar the new the CRD engine, it's "possible" the technician dumped the oil into the oil filter housing. It can be quicker to do that and you've got it open already to change the filter.
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12 E550
Is that it?
I looked under the engine like any other car and could not find anything that looks like an oil filter. Is that it the round thing right on top of the engine passenger side?
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12 E550
That's what the dealer tells you to justify $150 oil change. They said yes it is expensive but you do it once every 10K. I don't believe that. New oil is better than old oil.
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1982 300D VNT, 1980 240D 3.0T, 1982 300TD
Just as my car will still be running great when yours is in the junkyard 10 years from now.
I never said to ignore the correct break-in procedures. Once it's broken in properly, changing the synthetic oil would be best at 6-8K miles intervals. Letting it go for 10K+ just lets it load up with soot and break down from repeated heat stress. This is ESPECIALLY true in the BlueTec models because of the high stresses of regenerating the filters.
I never said to ignore the correct break-in procedures. Once it's broken in properly, changing the synthetic oil would be best at 6-8K miles intervals. Letting it go for 10K+ just lets it load up with soot and break down from repeated heat stress. This is ESPECIALLY true in the BlueTec models because of the high stresses of regenerating the filters.
Last edited by 240D 3.0T; 10-09-2007 at 09:25 PM.
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Wife - E300; GL320 - Sand Biege; Me - F150
Come back after you've read
http://www.benzworld.org/forums/2551108-post7.html
You will then know more than you do now.
http://www.benzworld.org/forums/2551108-post7.html
You will then know more than you do now.
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Currently Driving a BMW 325 Sport Wagon
I am learning a LOT about the new CDI diesels. Looking at a GL 320 CDI, what oil brand is reccommended by MB for the new CDI diesels - I am reading that a "special" oil type (weight?) must be used? Is made by one or several oil brands?
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2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
1) Mobil 1 ESP Formula M 5W-40
2) Valvoline SynPower MST 5W-30
3) ELF Solaris LSX 5W-30
The Mobil 1 may be the only one available in the US, as of now. Most people are getting it from their MB dealer. I paid $6.10 / Qt just to have a couple on hand.
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Wife - E300; GL320 - Sand Biege; Me - F150
I shopped around in the Washington DC area and found that the cost varied from $5.90 to $9.25 a quart. The prices I found on the web didn't save much when you included the cost of shipping.
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'06 E320 CDI,premium package, xenons,LED's,Nav. and '11 BMW 335 D, Nav, Sport, Premium, Cold, PDC
I buy Mobil 1 Turbo Diesel 5W40 (fully synthetic and MB approved) oil at Wal-Mart for $19.27 for the 4 quart container. Two of them are needed for the engine oil+filter change.
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2008 GL 320, 2007 Silverado LTZ C3500 Duramax Turbo Diesel
This requires the Mobil 1 ESP Formula M 5W-40
It supposedly has less ash and doesn't conflict with the particulate burner on the exhaust system.
My 2007+ Duramax has to have an oil that meets CJ-4 (Rotella T) specification for the same reason. The CI-4 is no longer valid as it was for the early 2007's and before.
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2006 E320 CDi, 2008 3/4 Ton Suburban, 2007 "rice rickshaw" Accord 5 speed
What is your opinion on this?
I checked the oil level (with the MB "tool" or dipstick) and found it marginal. I then added three quarters of a liter of fully synthetic Mobil One 0W40 into the oil filler hole. The engine immediately sounded quieter and smoother.
My question is would this action affect the accuracy of the MB computer? To be more precise, would this action, if repeated many times, cheat the computer into thinking that there is no need to change oil at all, thus extending the oil warning light interval?
A friend of mine with a diesel truck fleet told me that he sends oil samples periodically to the laboratory for testing and oil is only changed when necessary.
I am not trying to skimp on oil changes but the MB dealerships here refuse to reset the service lights unless the oil change is done at the same time so when a major service is due and you have just changed the oil 10 miles ago you are out of luck. You either fork out another MB synthetic oil change (over $100.00) or they will do the rest of the service and leave the light on. It sucks.