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Answers FArom The Oil Expert Part # 2

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by oilman, Oct 19, 2007.

  1. Kevin OB

    Kevin OB Senior Member

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    Your Mercedes:
    SL 280. CL 500 SL 500 Audi A4 Avant
    Fully Or Semi

    I Have Two Vehicles SL280 SL 500 the 500 Only Just Purchased,, All it life Done Short trips Lived in Jersey I See from the Service Records the Oil Used Was Semi-Syn The 280 I have always used Fully Syn Both wil only do About 5000k this year if that

    Am I Going Overkill using Fully Syn as reading your thread I will do a oil change every year
     
    Last edited: Feb 17, 2010
  2. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Hi

    You could still use the semi, but the fully synthetic gives better protection.

    Cheers

    Tim
     
  3. pitch1

    pitch1 Senior Member

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    Your Mercedes:
    Morris 1800S, Volvo 740, Triumph 2000/2500PI
    By gosh the amount of information on this site is incredible. thank you all for the contributions.

    One question, if the service interval is extended beyond the computer date, ( A service required ) how long before it changes to B service required and how is this reflected in the Service log book by an MB agent?

    thanks guys.
     
  4. silver bullet

    silver bullet Senior Member

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    CLK 230k 2001
    very informative and some interesting points in there about ptfe and wonder additives products both of which I have been suckered into buying many years ago thinking i was doing a good thing. I have a question on which oil to use for my 1990 230 W124 CE. Is there a particular oil and grade you could recommend please?
     
  5. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Hi

    Technically the oil should meet the MB229.1 or higher spec and a 5w or 10w-40, but that spec actually means very little in modern terms

    http://www.opieoils.co.uk/c-716-mercedes-engine-oil.aspx

    If you want a better oil pick one of the 5w or 10w-40s that meet any of the specs listed via that link.

    Cheers

    Tim
     
  6. silver bullet

    silver bullet Senior Member

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    much appreciated thank you. I see from my old receipts from previous owners that castrol magnatec 10/40 has been used several times so I reckon i'll go with that. mileage btw is 98'788 I assume magnatec is still relevant?
    Best wishes
    Trace
     
  7. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Hi Trace

    Magnatec is okay, nothing special though. For what it costs, I would go for the Fuchs XTR, which is a higher spec oil and better value.

    Cheers

    Tim
     
  8. Top Cat

    Top Cat Senior Member

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    Your Mercedes:
    (97) W202 C230 Elegance Estate
    Hi Oilman

    I've recently had 10/40 Magnatec put into my '97 W202 C230 at 136k miles, but from the details in the service book it appears to have had a life of synthetic brands such as Mobil 1 and Esso Ultron, should I have used (and also revert back to) fully synthetic oil again, and if so would Castrol Edge 0/30 be OK to use, or is Mobil 1 10/40 the way to go or should I go for a Fuchs product as you mentioned above?
     
  9. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    There is no technical reason to go back to synthetic other then the fact they are better then semi synthetic. You can use any of those brands, the Mobil 10w-40 is a semi synthetic, their 5w-40 and 0w-40 are synthetics.

    Cheers

    Guy.
     
  10. nrg220

    nrg220 Senior Member

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    Your Mercedes:
    220cdi Elegance Saloon
    what oil to use C220CDI

    As I got home to day in my Sept 2007 220CDI elegance I realised I didnt have the owners books although car bought from a MB garage. Got a tad excited and didnt check, mind you neither did the saleman either. I will get them later but anyone know what engine oil it needs? its only done 6000 miles but figure I should get some to stick in the boot

    Does this engine have a cast iron block or is it Aluminium like BMW

    Thanks
     
    Last edited: Sep 28, 2010
  11. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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  12. mrcole

    mrcole New Member

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    Brilliant info, well done for saying what most of us think about "Additives"
     
  13. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Additives are just a waste of money, unless you are trying to mask a serious problem.

    Cheers

    Guy
     
  14. Alex M Grieve

    Alex M Grieve Senior Member

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    Thanks Guy. A refreshingly honest yet brief view, and exactly what I have felt and believe to be true.

    Nevertheless, with sufficient urban myths around, and people's subjective views as strong as they are, the point is unlikely ever to be accepted by some.

    In the same way as some people change fully synthetic engine oil, and filter, every 5,000 miles on a direct injection car. Can't do any harm (to the car) but does it do any good?
     
  15. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Yes and no. All oils degrade with time and use, so if the oil is designed for normal service intervals, I would advise changing it annually, even if it's only done 5k in that year. It's because the additive package in the oil breaks down due to oxidisation. Also if the car gets very hard use, such as track time, the service interval should be reduced.

    If you would like some more info about aftermarket additives, have a look here

    http://www.opieoils.co.uk/pdfs/tech-articles/Aftermarket-oil-additives.pdf

    Cheers

    Tim
     
  16. syncropaddy

    syncropaddy Senior Member

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    Hi Oilman .....

    Can you offer me any advice on transmission oils for manual transmissions?
     
  17. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    In which cars? Generally it's an mtf in Mercs, but let us know what you have and I'll check on that
     
  18. dbanbery

    dbanbery Senior Member

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    Your Mercedes:
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    Oilman,

    not sure if you reply to PMs, ive been getting some conflicting info on what oil grade to use in my SL500.

    1995 SL500 withe the M119 engine, from what i have found it takes 8 litres of 5w40... which its had since about 50k miles.... its on 128k and due for a service. What would you recommend? i have also read that 10w40 semi synth is OK...
     
    Last edited: Feb 11, 2013
  19. OP
    oilman

    oilman Forum Supporter Authorised Forum Supporter

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    Just replied to the pm, didn't get the chance until now.

    Cheers

    Tim
     
  20. Arzaam

    Arzaam Senior Member

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    Pakistan
    Your Mercedes:
    W203 2002 c180
    Due to a leaking pipe replaced by a previous owner I found that on my w203 Mercedes c180 the coolant was topped off with water rhoigh majority is still coolant
    It's the yellow kind glacentine, is there a need to flush it and replace with new
    Or is there any harm in running it diluted this way

    I live in a place where it doesn't get below freezing so apart from this any harm?
    As glacentine is very oily and libricates parts as well
     

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