W204 V6 oil changes in SA




Question:Can I replace the engine oil myself without interupting the maintanance schedule, I will buy the correct oil, and don't mind paying.
1-Mercedes headoffice told me I can do it, no problem.I spoke to a senior technical person.
2-Two separate dealerships I regard as excellent, told me on the W203 you could, but not on the W204. They disagree with headoffice story, and both stick to their story. They recon not even they can do it. They also say topups could cause problems stepping on the service indicator.
Now what is the correct story ?
And exactly which oil is in my 350V6. I know it must be Mobil-1-Extended,
but which grade for SA ?
ADDED: I'm probably also retarded but I according to the website, Mobil 1 extended doesn't offer a higher grade than 30, so I wouldn't use that.
You could alternatively use Mobil 1 ESP Formula M 5W-40. You should not however, use the 15W-50 grade which is the only higher grade offered by Mobil1 because it is not approved against MB 229.31 or 229.51
Last edited by Peabody; Sep 14, 2009 at 06:11 PM.




After the service oil still blakish. I don"t want a washed out engine after 6 years/Mobilo Plan.
After the service oil still blakish. I don"t want a washed out engine after 6 years/Mobilo Plan.
After the service oil still blackish. I don"t want a washed out engine after 6 years/Mobilo Plan.
And, the oil at 5000 miles looks pretty dirty.
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After the service oil still blakish. I don"t want a washed out engine after 6 years/Mobilo Plan.
http://bevo.daimler.com/bevolistenma...b83a926a5b3dfd
In the USA, Mobil1 Formula M 5W40 is suggested for dealers.
I suggest you verify:
1) how your dealer changes oil (should be by MB suction tool, or drain plug removal). Sounds like they did not drain all the old oil, or forgot to change the filter.
2) what oil they use. The service parts counter person may know more about this than the service mgr or rep. It's best to use same approved oil for your mid-change.
Last edited by kevink2; Sep 16, 2009 at 05:33 PM.
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