Best oil for W210 E 270

M

Mercboy

Joined
Feb 19, 2021
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Hi guys, I have Mercedes W210 E 270 (125 kW) with OM 612.961 engine produced in 2000 year with no DPF filter. In last two years I've decided to change oil in my garage and started to questioning about recommended oil for my car. In owner's manual said that should use oils with 229.1 or 229.3 MB approval. Since oil industry developed tons of new oils and new MB approvals arrived I had no idea is there better oil than those with approval 229.3 for my engine. After calling at least 10 Mercedes authorised services I've ended with next approvals suitable for my engine 229.3, 229.31, 229.5, 229.51 and 229.52 approval. While searching on internet I've found this document where my engine is in Van row but that is ok because this engine is used in Mercedes Van cars and it confirms that mentioned approvals (229.3, 229.31, 229.5, 229.51 and 229.52) are suitable for my engine.

As my car doesn't have DPF filter is it better to use 229.x oils since 229.x1 are Low SAPS oils for cars with DPF filter and if so is better to use 229.5 approved oils?

Also in description of 229.52 approval said that it can be used for cars with or without DPF filters but does that advantage to be used in both decreases oil performance in comparison with 229.x oils?
 

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I could be wrong, but isn't this a VM engine?

In my experience, low and midsaps oils deal worse with fuel dilution than full saps. More apparent in gas engines though and there's other considerations with them, such as LSPI
 
Jetronic said:
I could be wrong, but isn't this a VM engine?

In my experience, low and midsaps oils deal worse with fuel dilution than full saps. More apparent in gas engines though and there's other considerations with them, such as LSPI
Click to expand...
According what I can found online it is Mercedes inline 5 cylinder engine with 20 valves or maybe I don't understand what is VM engine 😅 sorry for that :LOL:
 
VM is an engine designer/builder. But I don't believe this particular design is by VM though they made a fair share of 5 cylinder engines
 
racerviii said:
I would just stick with a 229.3 of 229.5 oil. No need for low SAPS oil.
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Agree with you, but oils with 229.52 are interesting as in approval explanation said that it could be used with and without DPF so it raises question is maybe 229.52 appproval the best of 229.5 and 229.51?
 
I think 229.52 spec is a slightly tougher spec to achieve in terms of wear. That's why many Euro oils that meet 229.52 spec typically also meet VW507, which is another tough spec.

If it were my Merc, I'd use 229.52 oils.
 
Mercboy said:
Agree with you, but oils with 229.52 are interesting as in approval explanation said that it could be used with and without DPF so it raises question is maybe 229.52 appproval the best of 229.5 and 229.51?
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Get oil with dual VW504.00/507.00 and MB229.51/52.
Mobil1 ESP 5W30 would be my choice.
 
Jetronic said:
VM is an engine designer/builder. But I don't believe this particular design is by VM though they made a fair share of 5 cylinder engines
Click to expand...

The OM612 was a 5 cylinder diesel engine made by Mercedes from 99-06. Mercedes has always produced their own diesel engines and VM Motori's diesel engines aren't used by Mercedes but Chrysler was a long time user in Europe, and the current Chrysler 3.0 turbo diesel available in the Ram pickups is made by VM Motori.
 
andreigbs said:
I think 229.52 spec is a slightly tougher spec to achieve in terms of wear. That's why many Euro oils that meet 229.52 spec typically also meet VW507, which is another tough spec.

If it were my Merc, I'd use 229.52 oils.
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So can we say that 229.52 is newer and better version than 229.5? I see you understand those aprovals but is there something better in 229.5 than in 229.52?
 
Mercboy said:
So can we say that 229.52 is newer and better version than 229.5? I see you understand those aprovals but is there something better in 229.5 than in 229.52?
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No, two different applications.
MB229.5 is current, but so called High-SAPS oil, intended for vehicles without SCR/DPF or GPF (like yours).
MB229.51 is Low-SAPS oil approval or as some would say "diesel" oil. It is for vehicles, both diesel and gas that have aftertreatment equipment (DPF/GPF).
Bcs. your vehicle is diesel, regardless that you do not have DPF, I would still go MB229.51/MB229.52.
 
Mercboy said:
According what I can found online it is Mercedes inline 5 cylinder engine with 20 valves or maybe I don't understand what is VM engine 😅 sorry for that :LOL:
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That was a very good engine that they dropped for the om642 which has a lot of problems.
 
Loneryder48 said:
That was a very good engine that they dropped for the om642 which has a lot of problems.
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Yep, also heard a lot about om642. This om612 is doing really good and it is funny that all new MB diesels are louder than those engines. I was going yesterday on a ride outside the city and achieved 5.2l/100KM fuel consumption, just a fun fact :), but i am thinking that they could pull little more power from this engine since it is 2.7l engine
 
If they can conservatively get 201hp out of the 2.1L OM651, they could certainly get more power out of the 2.7L but you'll need to find the right tuner.

Currently my OM651 is tuned for about 250hp and 450 lbs-ft. torque. My other 2L diesel is tuned to about the same. The big difference is that whereas the Merc has 2 turbos, the other has 1 and it's variable vane.
 
andreigbs said:
If they can conservatively get 201hp out of the 2.1L OM651, they could certainly get more power out of the 2.7L but you'll need to find the right tuner.

Currently my OM651 is tuned for about 250hp and 450 lbs-ft. torque. My other 2L diesel is tuned to about the same. The big difference is that whereas the Merc has 2 turbos, the other has 1 and it's variable vane.
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Those om651 are realy good engines, what is your lowestfuel consumption?
 
rooflessVW said:
No DPF? 20 y.o. engine?

What's wrong with Rotella T6? Could even run T6 15W-40 depending on climate.
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No DPF filter and yes, it is actually 21 year old engine. As shown on web pages there are none MB approvals on mentioned oil and I'm focusing on Liqui Moly and Castrol oils.
 
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edyvw said:
No, two different applications.
MB229.5 is current, but so called High-SAPS oil, intended for vehicles without SCR/DPF or GPF (like yours).
MB229.51 is Low-SAPS oil approval or as some would say "diesel" oil. It is for vehicles, both diesel and gas that have aftertreatment equipment (DPF/GPF).
Bcs. your vehicle is diesel, regardless that you do not have DPF, I would still go MB229.51/MB229.52.
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Those High SAPS oils have good antiwear properties, but are not so friendly with DPF filters and emmision standars. To solve this problem in low-SAPS oil manufacturers added extra antiwear additives, but with that did they achieve antiwear properties that high-SAPS oil has?
 
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