Oil grade query

Discussion in 'Engine' started by Ant-toe-knee, Dec 24, 2011.

  1. Ant-toe-knee

    Ant-toe-knee Active Member

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    The last two service stamps noted 0w 40 oil and according to opie and halfords it's 5w 40 on my 57 E220 CDI . Should I be confused?

    Also had do I find out if it has DPF?

    Thank you and Merry Xmas
     
  2. grober

    grober MB Master

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    Nothing to worry about if the oil meets MB approval. It probably means your dealer has bought several 50 gallon drums of the 0W40 and has "standardised"on this for all oil changes whether the car really requires it or not. If it has a DPF it must run a low SAPS [ ash residue]oil 228.51
     
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  3. MicB

    MicB MB Enthusiast

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    0-40 is fine

    Mic
     
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  4. Ponton-Jetronic

    Ponton-Jetronic Active Member

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    Oils and grades are NOT to be played with. Can everything that you read on labels and specs / invoices be certified and taken for real. Get an expert on board. On a first hand ''smell -and-see-basis ''. The best judges /critics of oils you'll find are miners and drillers.
     
  5. Pale rider

    Pale rider Member

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    s
     
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  6. OP
    OP
    Ant-toe-knee

    Ant-toe-knee Active Member

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    Thats what was easy with BMW , non dpf had curved down tail pipes.
     
  7. malcolmsmill

    malcolmsmill Member

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    oil grade is easy and in 3 parts

    10w40 se for instance

    at cold (0c) its as thick as single grade 10

    at hot (100c) its as thick as single grade 40

    se is the wear performance identifier, mainly quoted as se or sg but modern oils are much higher in the alphabet

    never buy oil whose first figure is higher than the recommended grade

    never buy oil whose second figure is lower than the recommended grade

    never buy oil whose s figure is lower in the alphabet than the recommended grade

    i.e if recommended 10w40 se (the commonest spec

    0w40 is better as is 0w50 ....... sg is better than se sh better than sg etc

    full synthetic is better than semi synthetic is better than mineral oil

    it is pointless using full synthetic in an engine designed for mineral oil but semi synthetic is a sensible upgrade
     
  8. OP
    OP
    Ant-toe-knee

    Ant-toe-knee Active Member

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