MERCEDES has developed MB 229.52 standard for oils able to endure the most severe thermal constrains along with most modern after treatment systems compatibility. The MB 229.52 standard applies to all MERCEDES vehicles equipped with “BlueTEC” Diesel engines fitted with SCR (Selective Catalyst Reduction) allowing NOx treatment through the use of AdBlue^® additive or so-called “Diesel Exhaust Fluid”.
MB 229.52 specification is also fully backward compatible with MB 229.51 and MB 229.31 specifications for all Mercedes Diesel engines with DPF and some Gasoline engines.
The exclusive technology of reduced Sulfated Ash levels and reduced Phosphorous and Sulfur contents protects and extends lifetime of after treatment systems such as SCR (Selective Catalyst Reduction) and Diesel Particulate Filter (DPF).
The 100% Synthetic base stock provides a high thermal stability and insures an exceptional resistance at high temperatures. Prevents from varnish and sludge to maintain engine cleanliness. Lower the risk of ring sticking.
Maximum protection and performance of the lubricant preserved even in the most severe conditions.
Low volatility for a reduced oil consumption and outstanding oxidation resistance of the oil to ensure extended oil drain intervals set by the carmaker.
Meets perfectly the highest demands of performance and durability validated by extensive testing.
Compared to other standards already very demanding such as MB 229.51, for its MB 229.52 standard, Mercedes requires oils able to cope with the most stringent oxidation resistance and thermal stresses and to be compatible with their aftertreatment systems.
MB 229.52 standard also requires improved cold flow properties to reduce hydrodynamic friction of the oil, in order to obtain fuel economy especially when the oil is cold. This extra requirement for cold flow properties allows excellent oil flow at start up, faster oil pressure build up, faster revs raisings and faster operating temperature reach. This type of lubricant allows fuel consumption reduction and therefore reduces greenhouse gases (CO₂) emissions.

MOTUL SPECIFIC 229.52 5W-30

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