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Engine oil for C400

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Old Jul 18, 2015 | 11:08 AM
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Engine oil for C400

It's pretty hard to find information about engine oil information for the C400 so hopefully someone knows the information.

Does anyone know the oil brand used at the dealership? Is it MB's own formulation that's good for 10k miles interval oil change? Or is it something off the self like Mobil1 full syn or Castrol Edge full syn? I know the oil has to conform to MB 229.5 spec.

The reason why I ask is because I recently had my 10k service perform at a local indy shop that used Castrol Edge full syn 5W-40 and they did the 10k service for $140. Meanwhile MB wanted $260 for the same service. So naturally I chose the indy shop. They are a good and reputable shop. However it didn't occur to me until AFTER the service and I saw those oil change interval sticker reminder that next service should be 6 months or 5k miles later. If

So this is a QA on bobistheoilguy website about Castrol Edge:
Do your EDGE products support extended drain intervals (beyond 3,000 miles), per the vehicle manufacturer’s specifications or oil life monitor? Or do you recommend that all of your oils are changed within a strict 3,000 mile interval? Do you support even longer drain intervals with your oils (e.g. 10k miles), provided it is within the engine manufacturer’s specifications?
Our EDGE products have shown outstanding engine performance in all the testing that we have done with them. However, all cars are different and the type of driving that each person does (normal, stop and go, severe) is different. Because of these differences in cars and driving conditions, Castrol recommends that you follow the recommendations of your car owner’s manual for the type of driving (normal or severe) that the vehicle is being operated.
Doesn't really answer the question but it sounds like the engine oil should support the 10k miles interval change, though not positive. Driving habit - 80% highway, 20% local/stop &go.
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Old Jul 20, 2015 | 12:09 AM
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Use any of these at 10K miles interval. Viscosity range must be appropriate for local ambient or 0W-40 for all.

https://bevo.mercedes-benz.com/bevolisten/229.5_en.html

On no account change the original oil charge early. Leave in for full 10K to ensure break in.
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Old Jul 20, 2015 | 04:05 PM
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Originally Posted by Glyn M Ruck
Use any of these at 10K miles interval. Viscosity range must be appropriate for local ambient or 0W-40 for all.

https://bevo.mercedes-benz.com/bevolisten/229.5_en.html

On no account change the original oil charge early. Leave in for full 10K to ensure break in.
Yep, that's same website where I found various 229.5 oil. I did call the shop and they told me they used Castrol Edge 5W-40 A3/B4, which is listed.

As for your second statement, i'm assuming you mean don't change your original oil early, leave in for full 10k before first oil change?

Thanks for the response!
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Old Jul 20, 2015 | 05:57 PM
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Originally Posted by dawei213
Yep, that's same website where I found various 229.5 oil. I did call the shop and they told me they used Castrol Edge 5W-40 A3/B4, which is listed.

As for your second statement, i'm assuming you mean don't change your original oil early, leave in for full 10k before first oil change?

Thanks for the response!
Yes ~ leave the running in/break in oil for full first 10K
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Old Sep 25, 2024 | 07:07 PM
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Originally Posted by Glyn M Ruck
Yes ~ leave the running in/break in oil for full first 10K
Looking at a C400 today and the GM tech put in 5W30 DEXOS SYNTHETIC.

I don't see this as MB approved. I presume this could potentially damage engine or only after extensive use?

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Old Sep 25, 2024 | 07:22 PM
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Originally Posted by Nicholi2007
Looking at a C400 today and the GM tech put in 5W30 DEXOS SYNTHETIC.

I don't see this as MB approved. I presume this could potentially damage engine or only after extensive use?
If you are worried then change the oil again, I guess better safe than sorry.
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Old Sep 25, 2024 | 08:21 PM
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Originally Posted by W205C43PFL
If you are worried then change the oil again, I guess better safe than sorry.
I don't play Russian roulette when it comes to engines. I told them I won't buy the car.
They can fix their mistake or lose the sale. Who knows what's in that crap.
I had a Mitsubishi dealer use the wrong viscosity oil on another car I recently looked at.

Too many yahoo techs.

Last edited by Nicholi2007; Sep 25, 2024 at 08:35 PM.
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Old Sep 25, 2024 | 08:49 PM
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Originally Posted by Nicholi2007
I don't play Russian roulette when it comes to engines. I told them I won't buy the car.
They can fix their mistake or lose the sale. Who knows what's in that crap.
I had a Mitsubishi dealer use the wrong viscosity oil on another car I recently looked at.

Too many yahoo techs.
I think that is a wise decision, just walk if in doubt.
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Old Sep 27, 2024 | 01:40 PM
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Like I said in your other thread: it's not going to hurt anything.

Is it Dexos 1 or Dexos 2 oil?

Dexos 2 is a high performance oil specification that is usually seen right alongside ACEA C3, BMW Longlife-04, Volkswagen 50500/50501, Porsche C30 or A40. If it's Dexos 2 I would just run it out to the oil change computer says to change it.

It honestly sounds like you're just looking for a reason to not buy the car.
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Old Sep 27, 2024 | 01:49 PM
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Originally Posted by TwoC400s
Like I said in your other thread: it's not going to hurt anything.

Is it Dexos 1 or Dexos 2 oil?

Dexos 2 is a high performance oil specification that is usually seen right alongside ACEA C3, BMW Longlife-04, Volkswagen 50500/50501, Porsche C30 or A40. If it's Dexos 2 I would just run it out to the oil change computer says to change it.

It honestly sounds like you're just looking for a reason to not buy the car.
It's actually a good opportunity even though no leather or park assist, heads up display etc.
I just don't want to put myself in harm's way when I'm taking out a sizable loan.
The redundancy was due to urgency.

Thanks

Last edited by Nicholi2007; Sep 27, 2024 at 01:50 PM.
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Old Nov 3, 2024 | 01:53 AM
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The AMG oil is quite good. I switched to it as the Amsoil is very expensive where I live. Amsoil also seemed to have dropped from the 229.5 certification

Maybe you can consider it - I find the feel similar to Amsoil but cannot quantitatively prove it.
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Old Nov 3, 2024 | 08:43 AM
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Honestly just get motul or Pennzoil and you will enjoy it. I mean, I really enjoy Motul 5W-40 coming from mobil 1.
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Old Nov 20, 2024 | 10:28 AM
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Originally Posted by W205C43PFL
Honestly just get motul or Pennzoil and you will enjoy it. I mean, I really enjoy Motul 5W-40 coming from mobil 1.
Noted. I'm headed to Philadelphia. Wish I could I find a reliable mechanic for an oil change.
The dealers there are uneven and want $175+tax. I guess higher volume leads to more complaints. Absurd but I guess I shouldn't be surprised.

I'd do the oil myself but I don't have any tools.

I hear conflicting reports on using an oil extractor pump.
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Old Nov 20, 2024 | 11:33 AM
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Originally Posted by Nicholi2007
Noted. I'm headed to Philadelphia. Wish I could I find a reliable mechanic for an oil change.
The dealers there are uneven and want $175+tax. I guess higher volume leads to more complaints. Absurd but I guess I shouldn't be surprised.

I'd do the oil myself but I don't have any tools.

I hear conflicting reports on using an oil extractor pump.
What kind of conflicting reports? Although I occasionally do the bottom drain to check for leaks under the covers, I mostly do extraction.

There is an update on recommend engine oils lately actually, if you want to look into those as well: https://mbworld.org/forums/w212-amg/902596-engine-oil.html

Last edited by W205C43PFL; Nov 20, 2024 at 11:35 AM.
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Old Nov 20, 2024 | 01:58 PM
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Originally Posted by W205C43PFL
What kind of conflicting reports? Although I occasionally do the bottom drain to check for leaks under the covers, I mostly do extraction.

There is an update on recommend engine oils lately actually, if you want to look into those as well: https://mbworld.org/forums/w212-amg/...ngine-oil.html
​​​​​​​Others claim deposits are not always removed.
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Old Nov 20, 2024 | 04:52 PM
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Originally Posted by Nicholi2007
Others claim deposits are not always removed.
​​​​​​​There are those who also said if snctioned properly it removes everything plus WIS calls for top extraction anyways.
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Old Nov 20, 2024 | 04:58 PM
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Originally Posted by W205C43PFL
There are those who also said if snctioned properly it removes everything plus WIS calls for top extraction anyways.
I appreciate this info. Those heretics!

I will buy one. Just need to do due diligence.
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Old Nov 20, 2024 | 05:10 PM
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Originally Posted by Nicholi2007
I appreciate this info. Those heretics!

I will buy one. Just need to do due diligence.
You're welcome : )

Here is the official WIS document procedure for engine oil change for M276 shared by another forum member in one of the threads, you will see extraction through dipstick was literally what was instructed.

https://mbworld.org/forums/attachmen...ter-change.pdf
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