Start Up Noise

mercedes51

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Jul 6, 2009
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Location
I live in Clevedon but was originally born in Live
Your Mercedes
I drive an E-Class 320 CDI
I drive a 3 year old E-Class 320 CDI, I've owned it for a year and when I bought it the salesman advised the noise was related to air bags and nothing to be concerned about. However it strikes me that when you start an engine there should be no noise exccept from the engine, what I experience can only be described as a low rumble which could be some air bag reservoir being topped up or even the brake servo (which is what I suspect). Has anyone else experienced such a noise? It also occaisionally occurs when driving.
Grateful for any advice Mercedes did not comment on it when they checked the car over before I purchased it.:confused:
 

television

Always remembered RIP
Joined
Mar 14, 2005
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87
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
SRS bags charging up and making a noise :confused::confused: That is a first and the best one that I have heard of as yet.

The noise that you can hear is the SBC braking system being charged up and normal on a 211 and 230, and is quite normal:D:D
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
Reaction score
341
Age
87
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
Just normal sir,,I get the same noise on my 230 SL if I just open the door, the early cars were modified, and your car will have that done already
 

jberks

Senior Member
Joined
May 12, 2004
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11,146
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Location
M1, Outside lane, somewhere between Leeds and Lond
Your Mercedes
Jaguar XF 3.0 S, LR Freelander 2, Fiat 500 & Fiat Panda
the salesman advised the noise was related to air bags

Genius :)
Did he take his big red shiny nose off to tell you this?
I despair at most salesmen's lack of product knowledge! Mine spent 20 minutes trying to demonstrate the memory seats on the handover. Eventually I took pity on him and explained how to do it.

Another (Jeep) spent 10 mins trying to demonstrate the touch screen satnav on the new cherokee to the Mrs. It was blindingly obvious to the Mrs and I that it wasn't a touch screen unit but it didn't stop him repeatedly trying to put his finger through the LCD display. It was the dealer's car but I was still whincing at the damage he was doing.
 


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