Visit workshop and noise from engine compartment..

Oct 13, 2015 | 01:10 PM

plasma

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Joined: Sep 2015

Posts: 73

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2003 E320

Visit workshop and noise from engine compartment..

I have a 2003 E320 for only a few months now. I've noticed that when I come to a stop then let off the brake, I hear what sounds like small motor running in the engine compartment. I also hear the same thing 'sometimes' when I unlock the car. This morning when unlocking, that noise lasted a lot longer. Then when I got into the car the "Visit Workshop" - battery light came on. So can anyone tell me what that noise could be and if it could be related to the "Visit Workshop" message. Also, is there a "workshop" that I actually can visit to see what's going on or is that some standard error message that MB throws out?

thanks..

Oct 13, 2015 | 03:16 PM

plasma

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Joined: Sep 2015

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2003 E320

Quote:

Originally Posted by Plutoe

That's the default message, however workshop can be any shop that you know that understands the MB systems----sounds like you have a issue with your charging system---take care of the battery issue and then go back to the so called noise you think you are hearing!!

Forgot to add, I did replace the main battery a few weeks ago. That stopped all the consumer electronics messages.

I will test the smaller battery and see what it's voltage reads.

The noise sounds very mechanical and like it's part of the braking system.

Oct 13, 2015 | 03:40 PM

cmriv

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Joined: Apr 2015

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From: dmv

2009 E550 2000 Honda civic mash n' go

SBC pump and or airmatic pump if you have a wagon with rear air bellows.

Oct 14, 2015 | 10:58 AM

plasma

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Junior Member

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2003 E320

If the SBC pump is making noises, is that normal?

Last edited by plasma; Oct 14, 2015 at 12:14 PM.

Oct 15, 2015 | 10:15 AM

burgca

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Joined: Jan 2014

Posts: 535

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From: Pottstown, PA

'97 S500 Coupe, 2016 AMG S63 Coupe, 2007 Audi Q7

Yes the SBC pump or airmatic pump makes a "sound" when you start the car, a noise is subjective and would be based on your knowledge of your car (unusual sound). Without details (metallic grind noise, whine, etc.) impossible to diagnosis in a forum

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