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Originally Posted by 85 DSEL
Wow! Where do I start?
First off - (Question) Those of you who take your cars to the dealer for routine service, do they do a top-side evac of the oil when performing an oil change? Just curious.
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Yes they do.
Quote:
Originally Posted by 85 DSEL
It only makes sense to me that I will leave more of the old oil in the pan by using vac than draining - after all, I don't believe you can beat gravity when it comes to draining oil! (BTW, I would need to buy another 'space-gobbling' tool that I really don't have the space in my garage for!)
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You're not going to get all the oil out with either method but the amount left behind is inconsequential.
The advantage is working from the top which is more convenient and that's also where the filter is. What's your life worth? As in the car falls on you. Risk isn't zero. And the time saved not raising the car will help 'defeat' gravity.
Quote:
Originally Posted by 85 DSEL
Second - in response to the 21-century remark AND answering your question, "why would you even consider nonsynthetic motor oil?"
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Synthetic oil is an organic chemical manufactured to eliminate the components that break down and cause problems in lubricants made from crude oil. The result is a longer service cycle, less wear and corrosion. There is a lot of scientific data to support that. Hence the surprise you wouldn't consider switching.
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Originally Posted by 85 DSEL
Third - addressing your last statement, "Remember, if the Mercedes 229.x number is not printed on the bottle, the oil is NOT suitable for a Mercedes." A quote from the link you so graciously provided states: "Mercedes-Benz recommends the use of MB-approved engine oils listed in the Mercedes-Benz oil specification sheet 229.3 or 229.5 which also meet ACEA and/or API classifications listed on the chart below. If a MB-approved or ACEA quality engine oil is not available, then an API quality engine oil meeting the below listed API classification can be used.(SJ or SL - added by me) Only engine oils (including synthetic) with any of the following classification grades, or combinations thereof, are approved."
Now, if I understand this, (looking at the chart in the link) if the bottle has an 'SJ or SL API Classification', it is fine to use.  |
I highlighted in
red the important part.
First and most important, it's your car and your money. So it's your right to make the choice. Like many others on these sites I want my car to last as long as possible so I'm going to use the factory recommended fluids, filters and service cycles in my belief that will help. I think that is prudent but it's not a universal opinion.
Note: to oldsinner111 - look on the right side of the pan. I think you'll find the drain plug there. Maybe the dumba$$ CEO thought it would be safer since it can't get sheared off.
02-27-2010, 06:11 PM
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