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Engine Light will come on if you dont fill up 93

This is a discussion on Engine Light will come on if you dont fill up 93 within the Mercedes-Benz CLA 250 forums, part of the Mercedes-Benz CLA Model Specific Forums category; if you dont use' premium 93 fuel the engine light will come on with silver or regular gasoline. please do not try this....

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Thread: Engine Light will come on if you dont fill up 93

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    Regular Diber's Avatar
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    Engine Light will come on if you dont fill up 93

    if you dont use' premium 93 fuel the engine light will come on with silver or regular gasoline. please do not try this.

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    Veteran audi4t's Avatar
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    That should not happen - the ecu should accommodate lower octane gas.

    Ask your dealer to check.
    Sue Esponte and milazzo like this.
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    Ninja Sue Esponte's Avatar
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    Quote Originally Posted by Diber View Post
    if you dont use' premium 93 fuel the engine light will come on with silver or regular gasoline. please do not try this.
    Are you saying this because it has happened to you or because you think it will happen to you?

    -Eric
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    Friend pichakdhoom's Avatar
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    Where does it say that?

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    CEB
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    I use 93, but inside the gas cap doesnt it say 91 octane minimum?

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    Rookie simarddominic's Avatar
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    I have a CLA 45 AMG in order and we don't have 93 fuel here...only 91 fuel.

    Do I will have problems with my car or performance will be affected ?

    What is the fuel octane rate that is write on the car ?

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    Ninja Sue Esponte's Avatar
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    Guys,

    Relax.
    The manual says 91 octane is the minimum.
    I have no idea where the OP got this from or why he posted it.
    The manual even covers what you should do if you have to use lower octane fuel.
    Your car's ECU will react accordingly to avoid knocking if you put Regular (87) fuel in your car.
    No need to lose sleep.

    -Eric
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    Quote Originally Posted by Sue Esponte View Post
    Guys,

    Relax.
    The manual says 91 octane is the minimum.
    I have no idea where the OP got this from or why he posted it.
    The manual even covers what you should do if you have to use lower octane fuel.
    Your car's ECU will react accordingly to avoid knocking if you put Regular (87) fuel in your car.
    No need to lose sleep.

    -Eric



    Eric, i don't encourage it at all. my neighbor filled up silver at BP and his engine light came on he has a CLA 250 also
    I jsut dont think its worth taking the risk, the manual doesn't state alot of things.

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    Quote Originally Posted by Diber View Post
    Eric, i don't encourage it at all. my neighbor filled up silver at BP and his engine light came on he has a CLA 250 also
    I jsut dont think its worth taking the risk, the manual doesn't state alot of things.
    Coincidence !
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    Quote Originally Posted by Diber View Post
    Eric, i don't encourage it at all. my neighbor filled up silver at BP and his engine light came on he has a CLA 250 also
    I jsut dont think its worth taking the risk, the manual doesn't state alot of things.
    Forget the colors, 91 or higher is what it calls for. Maybe the gas cap wasn't on all the way, this can produce a CEL.


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