---> CALI's hands-on ... STABLE CHASSIS VOLTAGE !!!
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W212 MY'14 M276-3.5NA @75kMi
So you're not going to find any 10/15w40 or 5/10w50 in any API SN/SP formula.
Motul 5w40 happens to be "MB Approved"
The non Approved higher viscosity cary the risk of higher abuse reflining unbalanced engines... so they must be used responsibly... can be rev'ed up safely with balanced-contribution engines.
Last edited by CaliBenzDriver; Feb 9, 2025 at 06:16 PM.
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
preferring cleaner SP over older SN
cleaner burning is where we're going:
less burned oil,
less carbon,
less ZDDP
gets cleaner Lambda... better fuel maps!
Try the oil you like then dump it when it carbons up, hopefully after 3 to 4kMi, not 1k
Last edited by CaliBenzDriver; Feb 9, 2025 at 06:27 PM.
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From: Bulgaria
C43 AMG '17 / Stage II
so next oil it will be again motul 5/40 gen ii BUT SP or.. motul 5/40 power SP or maybe if you recommend some good 10/40 SP that i can look if i can find it in Europe to pre order it
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
just found somewhere you talking about this, that if you want better oil you have to kind of sacrifice "MB Approval" label on the tube
so next oil it will be again motul 5/40 gen ii BUT SP or.. motul 5/40 power SP or maybe if you recommend some good 10/40 SP that i can look if i can find it in Europe to pre order it
so next oil it will be again motul 5/40 gen ii BUT SP or.. motul 5/40 power SP or maybe if you recommend some good 10/40 SP that i can look if i can find it in Europe to pre order it
It's not easy to find a great one.
Ultimately what separates them is the test of time.
How good for how long?
I want a good W40 to work stable VVT gear so I use light w50. Not too high either so it helps seal without perfect seal either - ITS A BIT OF A BALANCING ACT based on engine temps.
I may bump 100mL shots if 5w50 thins out before 5kMi mark then I may upgrade to a 10w50 or try a different 5w50 JR is using
Last edited by CaliBenzDriver; Feb 9, 2025 at 06:41 PM.
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From: Bulgaria
C43 AMG '17 / Stage II
You know all oils are good, for some time.
It's not easy to find a great one.
Ultimately what separates them is the test of time.
How good for how long?
I want a good W40 to work stable VVT gear so I use light w50. Not too high either so it helps seal without perfect seal either - ITS A BIT OF A BALANCING ACT based on engine temps.
I may bump 100mL shots if 5w50 thins out before 5kMi mark then I may upgrade to a 10w50 or try a different 5w50 JR is using
It's not easy to find a great one.
Ultimately what separates them is the test of time.
How good for how long?
I want a good W40 to work stable VVT gear so I use light w50. Not too high either so it helps seal without perfect seal either - ITS A BIT OF A BALANCING ACT based on engine temps.
I may bump 100mL shots if 5w50 thins out before 5kMi mark then I may upgrade to a 10w50 or try a different 5w50 JR is using
5/40 motul gen ii SP or 5/40 motul power SP and add X amount of ML of 5/50 motul power SP?
Thread Starter
Out Of Control!!
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
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From: Bulgaria
C43 AMG '17 / Stage II
)?
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The way I understand "MB Approval" is it's a limit to 0w40 or 5w40 rating, nothing outside of that range.
So you're not going to find any 10/15w40 or 5/10w50 in any API SN/SP formula.
Motul 5w40 happens to be "MB Approved"
The non Approved higher viscosity cary the risk of higher abuse reflining unbalanced engines... so they must be used responsibly... can be rev'ed up safely with balanced-contribution engines.
So you're not going to find any 10/15w40 or 5/10w50 in any API SN/SP formula.
Motul 5w40 happens to be "MB Approved"
The non Approved higher viscosity cary the risk of higher abuse reflining unbalanced engines... so they must be used responsibly... can be rev'ed up safely with balanced-contribution engines.
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Sorry for stating the obvious but make sure to siphon the old oil out and not just add the new oil or you will overfill the oil. The equal amount you remove and add. Always check the dipstick : )
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Thread Starter
Out Of Control!!
Joined: Apr 2019
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
upgrading viscosity by steps
When I replace fresh oil, I keep level between Min/Max so I have room to play around a bit.
Besides engine burns enough of thin oil there should be room for 1 or 200mL of booster shot.
Playing with booster shots on 5w40 oil still clean is a good learning preview for how effectively VVT respond... it is touchy! You'll get to experience the relationships I describe next...
Last edited by CaliBenzDriver; Feb 9, 2025 at 08:47 PM.
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
NUGGETS
- low viscosity causes:
- low oil pressure causes:
- poor VVT positioning causes (*Tensioners!):
- jittery CKP timings causes:
- combustion misfirings causes (*ALT-ECU!):
- lean mixtures causes:
- laggy throttle causes:
- confused gearbox causes:
- causes sloppy shifts!
> Extreme heatsoaks FAN:ON are caused by a combination of:
- Laggy fuel map
- poor timings
- dry pistons
- slow-learning Tstat
Last edited by CaliBenzDriver; Feb 9, 2025 at 08:45 PM.
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That is a good point!
When I replace fresh oil, I keep level between Min/Max so I have room to play around a bit.
Besides engine burns enough of thin oil there should be room for 1 or 200mL of booster shot.
Playing with booster shots on 5w40 oil still clean is a good learning preview for how effectively VVT respond... it is touchy! You'll get to experience the relationships I describe next...
When I replace fresh oil, I keep level between Min/Max so I have room to play around a bit.
Besides engine burns enough of thin oil there should be room for 1 or 200mL of booster shot.
Playing with booster shots on 5w40 oil still clean is a good learning preview for how effectively VVT respond... it is touchy! You'll get to experience the relationships I describe next...
MBWorld God!
Joined: Dec 2019
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- low viscosity causes:
- low oil pressure causes:
- poor VVT positioning causes (*Tensioners!):
- jittery CKP timings causes:
- combustion misfirings causes (*ALT-ECU!):
- lean mixtures causes:
- laggy throttle causes:
- confused gearbox causes:
- causes sloppy shifts!
> Extreme heatsoaks FAN:ON are caused by a combination of:
- Laggy fuel map
- poor timings
- dry pistons
- slow-learning Tstat
Thread Starter
Out Of Control!!
Joined: Apr 2019
Posts: 11,964
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
JOURNEY... NO MYSTERY
The self-improvement journey begins with
These results can be summarized by precise conditions are essential to GDI timings.
The more variabilities are chased away the more stability and predictable power are regained.
Interactive:
Engine conditions is what limits improvements managed by ECU.
Journey is 5 to 15kMi long: don't rush to redline prematurely so your engine balances to get a whole lot more later.
Unsmooth timings will limit progress.
- Stable oil pressure + voltage
- results in precise throttle response then
- results in precise tranny response then
- results in precise engine heat mgt
These results can be summarized by precise conditions are essential to GDI timings.
The more variabilities are chased away the more stability and predictable power are regained.
Interactive:
Engine conditions is what limits improvements managed by ECU.
Journey is 5 to 15kMi long: don't rush to redline prematurely so your engine balances to get a whole lot more later.
Unsmooth timings will limit progress.
Last edited by CaliBenzDriver; Feb 9, 2025 at 11:51 PM.
MBWorld God!
Joined: Dec 2019
Posts: 32,403
Likes: 6,334
The self-improvement journey begins with
These results can be summarized by precise conditions are essential to GDI timings.
The more variabilities are chased away the more stability and predictable power are regained.
Interactive:
Engine conditions is what limits improvements managed by ECU.
Journey is 5 to 15kMi long: don't rush to redline prematurely so your engine balances to get a whole lot more later.
Unsmooth timings will limit progress.
- Stable oil pressure + voltage
- results in precise throttle response then
- results in precise tranny response then
- results in precise engine heat mgt
These results can be summarized by precise conditions are essential to GDI timings.
The more variabilities are chased away the more stability and predictable power are regained.
Interactive:
Engine conditions is what limits improvements managed by ECU.
Journey is 5 to 15kMi long: don't rush to redline prematurely so your engine balances to get a whole lot more later.
Unsmooth timings will limit progress.
Super Member
Joined: Nov 2022
Posts: 512
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From: Bulgaria
C43 AMG '17 / Stage II
just found my invoice from last service and i notice SKU of Motul oil is the one that is SN and not SP..
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
Last edited by KristiyanPetrov; Feb 11, 2025 at 03:16 PM.
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just found my invoice from last service and i notice SKU of Motul oil is the one that is SN and not SP..
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
Joined: Nov 2016
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From: Maryland
2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
just found my invoice from last service and i notice SKU of Motul oil is the one that is SN and not SP..
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
so i will know for next time to check the bottle for SP label OR if i order it online to have this SKU 112351 - 5L and 112351 - 1L
@CaliBenzDriver btw do you service your gearbox with oem oil or you found better one
Last edited by JettaRed; Feb 11, 2025 at 04:49 PM.
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From: Bulgaria
C43 AMG '17 / Stage II
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Where did you get your transmission mount, my local dealership said it is sold out nationwide Canada and he said he can't order it because Germany is not making them and went on to say sold out globally, what in the world. Matter of fact I called multiple dealerships and they said the same thing.
Super Member
Joined: Nov 2022
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From: Bulgaria
C43 AMG '17 / Stage II
Where did you get your transmission mount, my local dealership said it is sold out nationwide Canada and he said he can't order it because Germany is not making them and went on to say sold out globally, what in the world. Matter of fact I called multiple dealerships and they said the same thing.
P.S. just checked my invoice and this is the part no: А2132400300
Last edited by KristiyanPetrov; Feb 11, 2025 at 05:40 PM.
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Ya I find it strange as well, when did you make the order? Maybe the shortage started this month or this year in case you were able to order last year?
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Something is clearly going on since FCPEURO also shows backordered: https://www.fcpeuro.com/products/mer...eco-2132400300
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C43 AMG '17 / Stage II
