Oil change dilemma
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Member
Joined: Apr 2007
Posts: 213
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From: SF Bay Area
2015 GLK 250 BT
Oil change dilemma
Just got an oil analysis report from Blackstone labs. Interesting that they found excess level of wear metals/wear-in, due to the fact I waited for the FSS to indicate when to change oil. In this case 13K miles. So wondering you folks follow FSS intervals, or an earlier regime as what Blackstone recommends (5-7K miles)?
BTW, my car is a 2005 E320-CDI, 60K miles.
BTW, my car is a 2005 E320-CDI, 60K miles.
Junior Member
Joined: Feb 2008
Posts: 53
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From: South Africa, Centurion
W211 E200 Kompressor
The core quetion is whether this would make a significant difference to the engine and/or car life? The more regular (premature in accordance to FSS) oil intervals is surely done at the cost of the environment.
Just for argument's sake; if changing the the oil at FSS intervals will give you an engine life of say 250 000 miles and more regular changing a life of 300 000 miles - is it worth the while? Practically I would think that most owners would have replaced the vehicle before the onset of 250 000 miles since other degradation (suspension components, electronics or even rust) would be more life determining? Even the car age or snobbism factor (you may want 'n newer more modern model after driving the same car for 10 years) may pursade owner to let go of their vehicles before the actually negative impact of the supposedly late oil changes?
Just for argument's sake; if changing the the oil at FSS intervals will give you an engine life of say 250 000 miles and more regular changing a life of 300 000 miles - is it worth the while? Practically I would think that most owners would have replaced the vehicle before the onset of 250 000 miles since other degradation (suspension components, electronics or even rust) would be more life determining? Even the car age or snobbism factor (you may want 'n newer more modern model after driving the same car for 10 years) may pursade owner to let go of their vehicles before the actually negative impact of the supposedly late oil changes?
Last edited by Ronaldk; Jun 9, 2010 at 12:39 PM.
Thread Starter
Member
Joined: Apr 2007
Posts: 213
Likes: 4
From: SF Bay Area
2015 GLK 250 BT
Yes, exactly my point/question. Whether this analysis is minor or major significance? Based on your example, is it 250K vs. 300K miles, or half-life that this may impact the engine, ie. down to 150K? If its 150K miles, definitely then its worth changing oil more frequently. But anyone more experienced/knowledgable on this?
Senior Member
Joined: Jul 2007
Posts: 421
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From: Bay Area
2004 E500 CLK320
I change oil every ~8k mi, and never exceek the 10k mi mark. Over the years, MB has reduced the oil change interval from 15k to ~12k, and now around 9k-10k with the latest software update. Both my 2004 E500 and E320 had the software updated about 2 yrs ago, and the FSS interval has been in the range of 8.5k to 9k mi. You're also running the risk of having gunk build up in the engine w/ high mileage oil change intervals.
Super Member
Joined: Apr 2005
Posts: 666
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From: Boston, MA USA
03 E320 -wife's car now; 07 Porsche Boxster S - my toy
Just got an oil analysis report from Blackstone labs. Interesting that they found excess level of wear metals/wear-in, due to the fact I waited for the FSS to indicate when to change oil. In this case 13K miles. So wondering you folks follow FSS intervals, or an earlier regime as what Blackstone recommends (5-7K miles)?
BTW, my car is a 2005 E320-CDI, 60K miles.
BTW, my car is a 2005 E320-CDI, 60K miles.
PS: How did the oil properties hold up?
Regards,
paul...
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Joined: Mar 2009
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From: Connecticut
2007 E550 4-Matic
I change oil every ~8k mi, and never exceek the 10k mi mark. Over the years, MB has reduced the oil change interval from 15k to ~12k, and now around 9k-10k with the latest software update. Both my 2004 E500 and E320 had the software updated about 2 yrs ago, and the FSS interval has been in the range of 8.5k to 9k mi. You're also running the risk of having gunk build up in the engine w/ high mileage oil change intervals.
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