C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

which oil to use????????

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Old Dec 2, 2009 | 09:04 AM
  #1  
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2007 c280
which oil to use????????

which do you prefer?
('07 c280 4matic, chaning every 5k/6 months)

Mobil 1 Tri-Synthetic Motor Oil with SuperSyn Formula
or
Mobil 1 Synthetic 0W-40
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Old Dec 2, 2009 | 12:18 PM
  #2  
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2002 Mercedes Benz C230 Coupe
Mobil 1 Synthetic 0W-40
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Old Dec 3, 2009 | 12:08 AM
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2005 Mercedes Benz C230
Originally Posted by jcnash
Mobil 1 Synthetic 0W-40
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Old Dec 3, 2009 | 12:35 AM
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THE C350
Originally Posted by ItsFlip...
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Old Dec 3, 2009 | 12:49 AM
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09 E350 W4M
Originally Posted by jcnash
Mobil 1 Synthetic 0W-40
Or Valvoline Synpower 5W-40 if you're not in a very cold climate as it sports 229.5. UOA at Bob is the oil guy show the new Synpower formulation to be somewhat superior to Mobil 1. (not the EP)
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Old Dec 3, 2009 | 02:28 AM
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2006 C350 Sport 6MT
Mobil 1 Synthetic 0W-40 European Formula
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Old Dec 3, 2009 | 03:06 AM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Originally Posted by payam81
: UOA at Bob is the oil guy show the new Synpower formulation to be somewhat superior to Mobil 1. (not the EP)
That's nonesense
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Old Dec 3, 2009 | 10:05 AM
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09 E350 W4M
Originally Posted by Glyn M Ruck
That's nonesense
Sorry my friend, but Synpower beat M1 in IVA sequence testing:

http://www.bobistheoilguy.com/forums...Number=1229152



Synpower is at the very least certainly equal or better than M1. M1 was reformulated in 06 and the base stock was downgraded from Group IV to Group III. M1 is still a good oil but the competition has caught up.
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Old Dec 3, 2009 | 12:38 PM
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a quarter mile at a time
Originally Posted by payam81
Sorry my friend, but Synpower beat M1 in IVA sequence testing:

http://www.bobistheoilguy.com/forums...Number=1229152



Synpower is at the very least certainly equal or better than M1. M1 was reformulated in 06 and the base stock was downgraded from Group IV to Group III. M1 is still a good oil but the competition has caught up.
#1, you better REALLY know what you're talking about if you're going to talk engine oils w/ Glyn. He works in the industry.

#2, in the thread you linked to, and in the article they quoted, they are comparing Synpower to M1 5w-30, not M1 0w-40. M1 0w-40 is the ONLY oil in that specific weight that is 229.5 approved.
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Old Dec 3, 2009 | 02:22 PM
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Precisely e - the good chap is comparing apples with pears.

M1 0W-40 Euro Formulation has not changed. They would have to reapprove it if they did. Benz approvals are formulation specific inclusive of base fluid.

M1 5W-30 does not pass HTHS ((high temperature, high shear) and is not approved by Benz - See my Definitive thread.

This subject has been covered before & people can't read.
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Old Dec 3, 2009 | 02:34 PM
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Originally Posted by Glyn M Ruck
This subject has been covered before & people can't read.


But
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Old Dec 3, 2009 | 03:49 PM
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09 E350 W4M
I stand corrected regarding the weights.

However the 5W-40 Synpower is 229.3 and 229.5 approved. I just mentioned it as another option to Mobil 1 0W-40 for warmer climates where you don't need the extreme low viscosity of a 0 weight. Even in colder climate of Canada my previous non corporate dealer used the Synpower 5W-40.
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