Whistling noise when accelerating

[Lord Creed]

Hi everyone, my w210 seems to keep going into safe mode when going over 100mph plus I have a whistling sound when I de press the excelerator pedal. Does anyone know what this could be please?

 

[ringway]

Speed limiter set to circa 100mph.

You'll still get a ticket however nonchalantly you whistle at that speed.

 

[Headhurts]

The police car behind you maybe?

Seriously is this a definite engine noise as opposed to air passing a trim part out of true.

I had this on a Toyota Avensis which sounded like engine noise but was cured by adjusting the rear door.


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[Lord Creed]

Yes a definitely noise as I hear it at low speeds too

 

[Lord Creed]

Someone mentioned I may have a leak in a turbo hose or something like that??

 

[Lord Creed]

At low speeds I don't lose power and the car will rev over 3000 if I drive over 70-80 etc for a while then it slips into like a safe mode agai n and won't rev over 3000

 

[Lord Creed]

I literally blip the pedal and you can hear it