Fuel/Oil additives

Discussion in 'Engine' started by lotusmark2, Dec 7, 2003.

  1. lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    Hi
    Does anyone use any type of fuel or oil additive to increase mpg or reduce wear?
    I have used the Wynns oil and fuel treatment on previous cars but wanted to know if anybody has any first hand storys on this or other products in Mercs?
    Cheers
    Mark
     
  2. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    I've only used 'ASTA 3000' on my current car and it made no discernable difference what-so-ever, a bit of a waste of £25 quid imho.

    I used to use 'Slick 50' on previous cars but I've been told this stuff can cause more damage than be of benefit so I haven't used it on my current motor.

    I think if you stick to 95+ RON fuel and change the engine oil at the service intervals or more frequently then you should be okay.

    S.
     
  3. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    Changing the engine at the service intervals seems a bit OTT:D
     
  4. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    Heh I knew someone would spot that, despite editing my post within seconds :eek: :D

    So I missed a little word 'oil' out :rolleyes:

    S.
     
  5. sym

    sym Hardcore MB Enthusiast

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    ....you mean Mercedes Benz DON'T change the whole engine at service intervals ?? I thought that explained the extortionate charges , just for a moment there . . . :D
     
  6. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    No but maybe they should be changing the 5spd electronic auto gearboxes that are supposedly sealed for life :p

    S.
     
  7. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    Cheers for the reply Steve,
    So you dont rate the addivites then?

    I have been running the Wynns total protection friction reducer that makes some very impressive claims but it is hard to know if it is making much difference to the wear rate in the engine???
    I have also put a magnet thingy on my fuel line and between the two items I do seem to get an extra 5 mpg (from 45-50) on my Clio.
    Dont think I will be seeing 50 mpg from the 240 some how:p
     
  8. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    Heh you can kiss the mid 40's mpg away now :p but they are fun to drive ;)

    If you're happy with the Wynn's treatment then use it. I've seen it advertised but never bought it myself.

    Maybe some of the other members may comment on the Wynn's

    I wouldn't bother with the stuff I've used, the Slick 50 was good on both my old cars but dieselman has scared me off from using it on my C240.

    S.
     
  9. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    This is the Stuff I was referring to at about £16 for the lot
    [​IMG]
     
  10. Dieselman

    Dieselman Banned

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    I don't think you need anything other than sum good ol' synthetic oyal an' sum injeyctor cleanerr noew and thun.
     
  11. Brian WH

    Brian WH MB Club Veteran

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    I'd go along with that advise. Additives are a Gimmick mates, not to be used on modern engines unless you want more problems.:crazy: :crazy:
     
  12. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    OK I am sold, I think the best thing I can do is give it a fully synthetic drink when I pick her up on Thursday. (as the dealership is refusing to service the car as there is 8k still to go until needed)
     
    Last edited: Dec 8, 2003
  13. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    You'll need alot of it... the engine takes between 7 to 8 litres of engine oil, I think. Umm to be honest I haven't changed the oil myself as it remains pretty clear between services, I'm guessing the oil drain plug isn't that hard to find. Also the there are oil sensors in the engine and if you change the oil you'll find your service interval will extend as the ASSYST takes the above into account, not that this is a bad thing ;)

    Strange that a stealer is turning down a simple oil change mind.

    S.
     
  14. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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    OMG
    I just had a good read on the net about these additives, errrrr ok wont be putting that stuff in the Merc then!!
     
  15. Steve_Perry

    Steve_Perry Hardcore MB Enthusiast

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    Have any links to share then? :)

    S.
     
  16. OP
    OP
    lotusmark2

    lotusmark2 Hardcore MB Enthusiast

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  17. Satch

    Satch Hardcore MB Enthusiast

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    Stay away from all additives: they are a throwback to an era when engine oils were not that good, especially in the US market where oil standards were lower until quite recently. Some are actually detrimental to your engine long term because they break down into acidic compunds which cause bearing corrosion or will eventually clog up oilways or filters.

    Many of the wonderful "tests" quoted are EP (Extreme Pressure) based which is fine for gearboxes but NBG for engines where the temperature & combustion by products will tend to render any "benefits" worthless. They all do something, but it is not always what is really required. It also really makes me cross to see the prices charged for these heavily advestised compounds

    Save your money and with modern vehicles stick to quality semi synthetic or full synthetic oils. Change at the specified intervals or sooner, but make sure you know which oil spec is appropriate to use for your car.

    General Rule of Life No 1 applies: if it sounds to good to be true, it usually is.
     
  18. mark.t

    mark.t Banned

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    mpg what the hell

    :devil: try explaining mpg to your right foot next time your at the lights with a dead cert, you can add all you like, to the fuel, but driving like a nun just winds us up f*** the cost fly em as they should be
     
  19. agriff

    agriff Hardcore MB Enthusiast

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    Injectors

    Does anyone have any experience with injector cleaner. Does it do any good?
     
  20. pepe

    pepe Hardcore MB Enthusiast

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    I use injector cleaner every six months, cant remeber the name of the last one i bought but was from halfords and came in a fancy aluminium bottle, was quite expensive (£13) but definately makes a difference and is worth it for peace of mind. I was converted when i was having a shogun serviced once and he put a bottle directly into the fuel filter, ran the engine and the sh1t that came out the exhaust was amazing, was clean as a whistle after that. most people just chuck it into the fuel tank though.
     

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