What's the difference between MB 228.3 and 229.1 ??
My last oil change, a couple of weeks back, was with Millers XFE 10w40 Semi (had a couple of spare containers of it ) and just looked it up and only meets 228.3. But then it seems to be running smoother and getting slightly better MPG as well
Cribed from "elsewhere"...................
MB 226.9
Multigrade engine oils for gas engines (CNG) based on Series 300/400 engines.
MB 227.0
Monograde engine oils for non-turbocharged diesel engines (Series 600).
MB 227.1
Multigrade engine oils for non-turbocharged diesel engines (Series 600).
MB 228.0
Monograde engine oils for turbocharged diesel engines. Oil change intervals up to
30,000 km.
MB 228.1
Multigrade engine oils for turbocharged diesel engines. Oil change intervals up to
30,000 km.
MB 228.2
Monograde SHPD engine oils for highly turbocharged diesel engines.
MB 228.3
SHPD engine oils for highly turbocharged diesel engines. Extended oil change intervals
up to 45,000 km.
MB 228.5
UHPD engine oils for highly turbocharged diesel engines. Extended oil change intervals
in light-duty engines up to 45,000 km. Up to 160,000 km possible in heavy-duty diesel engines (with service interval displays).
MB 228.51
UHPD engine oils for trucks fitted with exhaust gas after treatment. Low ash content required.
MB 229.1
Engine oil for car gasoline and diesel engines. More stringent than ACEA A2/A3 and B2/B3.
MB 229.3
Engine oils for cars with extended oil change intervals (30,000 km).
MB 229.31
Engine oils for cars with exhaust gas after treatment. Low ash content required.
MB 229.5
Fuel Economy engine oil for even longer oil change intervals (vehicles from 2002 on) with service indicators. Special, stricter requirements than ACEA A3/B3. For use in all car gasoline and diesel engines. This oil also complies with 229.1 and 229.3.
MB 229.51
Very high performance oil for engines with diesel particle filters and extended oil change intervals. Better fuel economy than MB 229.5.