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Buzzing noise on E220 cdi

Rodger_D · 2011-09-26 18:47:57

There is a buzzing noise from under the battrie of a Mercedes e220. The battrie is on the left hand side under the bonnet. Its keeps going all the time unless I disconnect the battery in the boot. No faults are showing on the computer.

26-09-2011 6:47pm

#1
Rodger_D

Closed Accounts Posts: 30 ✭

Join Date: October 2010

Posts: 15
There is a buzzing noise from under the battrie of a Mercedes e220.
The battrie is on the left hand side under the bonnet.
Its keeps going all the time unless I disconnect the battery in the boot.
No faults are showing on the computer.

Tagged:

mercedes.

0

Comments

#2 26-09-2011 7:30pm

Mr Benevolent

Closed Accounts Posts: 12,456 ✭✭✭✭

Join Date: March 2008

Posts: 11372

It's either hornets on demand or the brake by wire SBC module doing its thing. The buzzing is normal according to Mr Google, my diagnostic expert

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#3 26-09-2011 10:27pm

Rodger_D

Closed Accounts Posts: 30 ✭

Join Date: October 2010

Posts: 15

Thanks but its not normal I have the car 3 years and it only started sunday. is there anywhere I can see a diagram what is behing the wing as I think it is a sencer or something like that.

0