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#3304030 - 03/07/14 01:06 AM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Garak]
TrevorS Offline


Registered: 07/14/13
Posts: 1281
Loc: California
Originally Posted By: Garak
He was pointing out that going out of grade or spec isn't going to cause an MB engine to blow up. Going out of spec can be done if one is cautious, reasons things thoroughly, and one's driving habits justify it. If a newish Benz is used as a grocery getter or by grandma going to bingo and the oil is changed sufficiently frequently, even a GF-5 type conventional won't be the end of the world. I wouldn't recommend it, but it's far from the end of the world.

The specs are there for a reason, but we needn't act as if we're trying to run a 110 V appliance off of double the voltage. MB did include 5w-20 and all kinds of other light grades, weather permitting, not all that long ago. How thin is any oil going to get, even something a grade thinner than recommended, after a five block trip?

That being said, 10w-30 is an odd choice, even if it were an approved lube. If it were on the approval list, it would likely be one of my last choices.


1 grade thinner at worst means a 20 weight with a HTHS as low as 2.6 vs the minimum 3.5. Even in a 30 weight that's 2.9 vs 3.5.

HTHS is the name of the game here not SAE grades.

So going a grade thinner is not good advice because the actual drop is not insignificant when going from a Euro oil expressed in SAE to a non Euro oil expressed in SAE. Imagine giving the advice to drop a grade to someone running GC! While you've qualified the suggestion a little it hadn't been in the post I responded to and the OP would not necessarily have done that qualification. You don't know how he runs his vehicle and in CA he will most likely see 100f somewhere. In LA he will see stop and go. And as he heads inland he will see 110f plus.

So in my opinion its risky advice and not in the same ballpark when someone asks whether they should be running 20 or 30 in their Hyundai / Toyota / Honda or even older German cars prior to the current specs.

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#3304049 - 03/07/14 01:57 AM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: edyvw]
Garak Offline


Registered: 12/05/09
Posts: 11756
Loc: Regina, Saskatchewan, Canada
Well, there is that, too. I'm hoping he didn't, so staying in spec would be the best way in any case.
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3304354 - 03/07/14 10:44 AM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: bvance554]
Quattro Pete Offline


Registered: 10/30/02
Posts: 26205
Loc: Michigan
Originally Posted By: bvance554
Originally Posted By: HTSS_TR
Easy on the new member, please. The guy just signed up today and posted for the the very first time and you guy jump on him like this he may not want to come back to ask any other question he may have.


No kidding! It would be my first and last question.

Why sugarcoat it? Hopefully the OP came here asking for advice and not just to gain confirmation that the stuff he put in his engine is "just great." The OP made a number of mistakes. We might as well clearly point them out, whether he's new to the forum or not. Kendall doesn't make an MB 229.5 approved oil. Also, there is no such thing as "Kendall GT-1 Full Synthetic Euro Motor Oil 10w-30". Instead of dancing around it, let's set the record straight.

With that said, Andyslk, welcome to BITOG! I hope you stick around and learn what's best for your ride. welcome


_________________________
'02 530i (PU 5W-40)
'15 Q5 3.0T
'13 F700 GS (BMW HP 15W-50)

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#3305050 - 03/08/14 12:09 AM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: TrevorS]
Garak Offline


Registered: 12/05/09
Posts: 11756
Loc: Regina, Saskatchewan, Canada
Originally Posted By: TrevorS
1 grade thinner at worst means a 20 weight with a HTHS as low as 2.6 vs the minimum 3.5. Even in a 30 weight that's 2.9 vs 3.5.

HTHS is the name of the game here not SAE grades.

We all know that. But, engines are not that sensitive to viscosity to the point that anything from Germany must run an oil with a 3.5 HTHS under all conditions and that a Honda Civic must have a 0w-20 under all conditions.

They may be optimal, respectively, under all or at least most conditions. Of course, we don't know how he runs in California. Nonetheless, this isn't a case where you must hook it up to a tow truck and get it to a shop to put the proper oil in. The heat of California in stop and go traffic will tax his cooling system more than his oil temperatures, all things being equal.

The Europeans call for such oils that give them decent thickness at operating temperatures plus appropriate cold weather capabilities. The whole point is to preclude seasonal viscosity switches. That doesn't mean an ILSAC rated 30 is a time to panic.

Of course, there's no reason for him to run such an oil in the first place. I can't see any advantage whatsoever.
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3305403 - 03/08/14 01:22 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Garak]
Andyslk Offline


Registered: 03/06/14
Posts: 2
Loc: California, USA
Thanks for all the responses!

The oil was actually a 5W-30, not 10W-30 as I originally posted. Here is a link to the Kendall Euro oil spec: Kendall.

As you can tell, I know absolutely zero about oil. Can't tell you the difference between a 229.5 vs 229.51, that is the reason I came to this site.

My car was at this service shop called Wheel Works getting new tires. Service guy noticed that I was coming due on an oil change and offered to change my oil. Told me they only use manufactured recommended oil. Long story short, I notice that my oil temp was about 3-4C hotter than normal...which prompted me to do some research and I found this website.

Thanks to your advice, I have decided to drain the oil and put Mobil 1 0W-40 today.

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#3305597 - 03/08/14 05:57 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
HTSS_TR Offline


Registered: 04/17/06
Posts: 12971
Loc: Irvine, CA
Changing oil and oil filter in a Mercedes is very easy if you have the right tools, you don't need to raise the front to drain the oil, with a fluid extractor you can siphon used oil from the engine via dipstick tube.

With correct end-cap wrench you can remove the oil filter holder on top of the engine to change the cartridge oil filter.

Changing oil and filter in a Mercedes with right tools can be done in less than 30 minutes with dress cloth.
_________________________
'94 LS400
'00 E430
'04 S2000
"Consumerism has accustomed us to waste. But throwing food away is like stealing it from the poor and hungry" Pop Francis

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#3305746 - 03/08/14 08:59 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
edyvw Offline


Registered: 03/08/12
Posts: 1158
Loc: Colorado Springs
Originally Posted By: Andyslk
Thanks for all the responses!

The oil was actually a 5W-30, not 10W-30 as I originally posted. Here is a link to the Kendall Euro oil spec: Kendall.

As you can tell, I know absolutely zero about oil. Can't tell you the difference between a 229.5 vs 229.51, that is the reason I came to this site.

My car was at this service shop called Wheel Works getting new tires. Service guy noticed that I was coming due on an oil change and offered to change my oil. Told me they only use manufactured recommended oil. Long story short, I notice that my oil temp was about 3-4C hotter than normal...which prompted me to do some research and I found this website.

Thanks to your advice, I have decided to drain the oil and put Mobil 1 0W-40 today.

One advice, those fast oil change shops, they do not know anything. If they see Mercedes-Benz on bottle, they think that can go to AMG and FEDEX Sprinter.


Edited by edyvw (03/08/14 09:02 PM)
_________________________
10' VW CC 2.0T (M1 0W40+Mann)
11' VW Tiguan 2.0T (M1 ESP 5W30+OEM Filter)

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#3306619 - 03/09/14 10:57 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
Ayrton Offline


Registered: 09/28/10
Posts: 661
Loc: Washington State, U.S.
Originally Posted By: Andyslk
Thanks for all the responses!

The oil was actually a 5W-30, not 10W-30 as I originally posted. Here is a link to the Kendall Euro oil spec: Kendall.

As you can tell, I know absolutely zero about oil. Can't tell you the difference between a 229.5 vs 229.51, that is the reason I came to this site.

My car was at this service shop called Wheel Works getting new tires. Service guy noticed that I was coming due on an oil change and offered to change my oil. Told me they only use manufactured recommended oil. Long story short, I notice that my oil temp was about 3-4C hotter than normal...which prompted me to do some research and I found this website.

Thanks to your advice, I have decided to drain the oil and put Mobil 1 0W-40 today.



You have a fantastic car. Enjoy it. M1 0w-40 is the perfect choice. Also, you can get Mann oil filters on Amazon which are the same as the Mercedes branded filters.

Don't worry about the oil they put in there for the short time. It won't last as long as it's intended for a diesel engine. However, for 3k miles or so, it wouldn't hurt anything.

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#3309154 - 03/12/14 09:34 AM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
il_signore97 Offline


Registered: 09/05/06
Posts: 531
Loc: Toronto, Ontario, Canada
Originally Posted By: Andyslk
I recently switch from Mobil 1 0w-40 to Kendall GT-1 Full Synthetic Euro Motor Oil 10w-30 in my AMG SLK55. I'm noticing that my engine oil is running roughly 3-4C hotter than with the mobil 1. With Mobil 1 im at 100C to 103C. Now I'm running around 103C to 106C. Does anyone know if this 3-4C difference is enough to be of concern? Should I switch back to Mobil 1?

Thanks,




Hi Andy,

Welcome to the forums!

As you have already read above, that is the wrong oil for your vehicle. Basically, an AMG Mercedes will require an oil that is a 40 grade (i.e. 0W40 or 5W40), and that is also certified to MB 229.5 spec (on the back of the bottle, it will say something like MB-Approval 229.5). Remember, that 229.51 is totally different, and NOT for your vehicle (it is a low SAPS diesel spec oil).

So, what this means for a typical American, is that your most readily available choices of 40 grade oils meeting 229.5 spec are Mobil 1 0W40 or Castrol Syntec 0W40. Either of those should satisfy your warranty requirements and engine needs. Of course, there are other 0W40 and 5W40 options available, but not so easy to get as the two I listed.

You can see a complete list of 229.5 oils on this official MB website:

http://bevo.mercedes-benz.com/bevolisten...chbegriff=229.5

Please ignore the 0W30 and 5W30 options, as those are only for NON-AMG vehicles.

Enjoy the AMG!
_________________________
il_signore97
'09 Mercedes-Benz C300 Sport Calcite White 6-spd M/T

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#3313847 - 03/16/14 02:50 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
Fraser434 Offline


Registered: 09/17/11
Posts: 71
Loc: Chicago
Like it when people post about oil temp or underhood temp like it matters. Sure when you track a car and it sees very high oil temps sure but overall there's so much more going on in the engine the standard operating temps within reason are irrelevant.


Edited by Fraser434 (03/16/14 02:50 PM)

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#3331456 - 04/02/14 02:38 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: TrevorS]
ARHND Offline


Registered: 06/13/12
Posts: 18
Loc: Honduras
There is now a Kendall 5W40 Euro out in the market.

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#3331480 - 04/02/14 02:52 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: ARHND]
Quattro Pete Offline


Registered: 10/30/02
Posts: 26205
Loc: Michigan
Originally Posted By: ARHND
There is now a Kendall 5W40 Euro out in the market.

Except that it's the wrong oil for his application...

http://www.bobistheoilguy.com/forums/ubb..._sy#Post3303724

_________________________
'02 530i (PU 5W-40)
'15 Q5 3.0T
'13 F700 GS (BMW HP 15W-50)

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#3344547 - 04/16/14 01:15 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Quattro Pete]
riggaz Offline


Registered: 01/26/10
Posts: 318
Loc: England
Originally Posted By: Quattro Pete
Originally Posted By: ARHND
There is now a Kendall 5W40 Euro out in the market.

Except that it's the wrong oil for his application...

http://www.bobistheoilguy.com/forums/ubb..._sy#Post3303724



looks ok to me


http://lubeoil.com/wp-content/uploads/2012/11/Kendall-GT-1-Full-Syn-5w-40.pdf



Edited by riggaz (04/16/14 01:16 PM)

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#3344555 - 04/16/14 01:19 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: Andyslk]
riggaz Offline


Registered: 01/26/10
Posts: 318
Loc: England
Originally Posted By: Andyslk
I recently switch from Mobil 1 0w-40 to Kendall GT-1 Full Synthetic Euro Motor Oil 10w-30 in my AMG SLK55. I'm noticing that my engine oil is running roughly 3-4C hotter than with the mobil 1. With Mobil 1 im at 100C to 103C. Now I'm running around 103C to 106C. Does anyone know if this 3-4C difference is enough to be of concern? Should I switch back to Mobil 1?

Thanks,



Basically nothing will go bang but the 229.51 is a low saps oil, it has reduced amounts of anti wear additives in to protect diesel particle filters, it's also thinner than necessary when it's hot so will have lower film strength. To be belt and braces, i'd change it out for the correct oil.

Kendal do a 5w40 which is the one for your torque fest of an engine

http://lubeoil.com/wp-content/uploads/2012/11/Kendall-GT-1-Full-Syn-5w-40.pdf


Edited by riggaz (04/16/14 01:25 PM)

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#3344570 - 04/16/14 01:32 PM Re: Mobil 1 vs Kendall full synthetic 09 SLK55 AMG [Re: riggaz]
edyvw Offline


Registered: 03/08/12
Posts: 1158
Loc: Colorado Springs
Originally Posted By: riggaz
Originally Posted By: Andyslk
I recently switch from Mobil 1 0w-40 to Kendall GT-1 Full Synthetic Euro Motor Oil 10w-30 in my AMG SLK55. I'm noticing that my engine oil is running roughly 3-4C hotter than with the mobil 1. With Mobil 1 im at 100C to 103C. Now I'm running around 103C to 106C. Does anyone know if this 3-4C difference is enough to be of concern? Should I switch back to Mobil 1?

Thanks,



Basically nothing will go bang but the 229.51 is a low saps oil, it has reduced amounts of anti wear additives in to protect diesel particle filters, it's also thinner than necessary when it's hot so will have lower film strength. To be belt and braces, i'd change it out for the correct oil.

Kendal do a 5w40 which is the one for your torque fest of an engine

http://lubeoil.com/wp-content/uploads/2012/11/Kendall-GT-1-Full-Syn-5w-40.pdf

Can you explain how 229.5 is thinner then 229.5?
_________________________
10' VW CC 2.0T (M1 0W40+Mann)
11' VW Tiguan 2.0T (M1 ESP 5W30+OEM Filter)

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