722. Gearbox 'clicking noise'

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twosnowmen

Member
Joined
Dec 28, 2010
Messages
47
Location
Sunderland
Car
ML430, BMW 120d Sport
Never really noticed until recently, when driving with window down, I noticed that when moving from P to N then D, the gearbox in the ML 'clicks', sometimes its quiet loud.

When inside the car with windows up cant hear anything. I asked someone to change while I was under the car and its def from the gearbox.

Ive tried it when its cold and red hot.

Must add, gear changes are smooth as ever no clunky changes of judder, just when lever is moved. Are all ML's like this?
 
The sound is coming from the electronic gear selector located on the side of the transmission they are quite loud but if it's still working I would just leave it
 
The sound is coming from the electronic gear selector located on the side of the transmission they are quite loud but if it's still working I would just leave it

I note your technical knowledge on the last few posts - do you work in the Mercedes motortrade?
 
I think it is probably a noisy electro valve in the command module. Nothing to worry too much if the box works
 

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