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C218 CLS63, 2011 - 2019

Start up noise

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Old 10-08-2013, 12:50 AM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Start up noise
I am noticing a noise similar to lifters tapping on cold start, but it isn't the lifters. That is closest way I can describe it. It disappears after a few seconds and only returns when the car has been sitting an hour or so.

Is anybody else with this engine experience anything similar?
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Old 10-08-2013, 01:06 AM
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'13 CLS63 PP
It's the fuel injection pump
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Old 10-08-2013, 11:32 AM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Originally Posted by Faris63
It's the fuel injection pump
So is it normal, or something I need to get checked out?
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Old 10-08-2013, 12:41 PM
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Last edited by mb techman; 09-23-2014 at 06:07 PM.
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Old 10-08-2013, 01:19 PM
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'13 CLS63 PP
Originally Posted by abhatti55
So is it normal, or something I need to get checked out?
it's normal
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Old 10-08-2013, 01:53 PM
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Old 10-08-2013, 01:54 PM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Originally Posted by mb techman
is it a rattling noise almost like its starved for oil? then quiets down about 3 seconds after?

if so, look at my threads for the 276 engine.
No it's definitely not an internal engine noise. It is like Faris63 described noisy fuel injectors or the fuel pump trying to prime up. I'm new to the engine platform and wasn't sure if it was a normal occurrence or not.

The noise can be embarrassing coming from a car like this, but if it is normal I can live with it.
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Old 10-08-2013, 01:56 PM
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Old 10-08-2013, 02:01 PM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Originally Posted by mb techman
guarantee its what i posted. the fuel pump doesnt get noisy then quiet.

what you here is the chain slap because the chain tensioners have bled down, and are being pressurized with oil.
Thank you I read the bulletin you posted, after reading it this makes sense. How can I find my engine number to see if it is within the range of affected engines?
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Old 10-08-2013, 02:20 PM
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'13 CLS63 PP
Originally Posted by mb techman
not normal. applies to the 157 engine as well: https://mbworld.org/forums/c-class-w...ine-noise.html

look for the link to the .pdf with the technical bulletin.
I don't know about other cars but it's normal for M157 engines to make this fuel injection pump noise for only the first 15 sec when the engine is cold. It does it even when the engine is warm sometimes
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Old 10-08-2013, 02:40 PM
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Old 10-08-2013, 02:47 PM
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'13 CLS63 PP
That's true it difficult to diagnose it from someone who knows

I saw the pdf file with parts that fix this problem but does these parts require engine to be removed ?
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Old 10-08-2013, 02:53 PM
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Old 10-09-2013, 03:36 PM
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'13 CLS63 PP, '16 Huracan , '11 RR Ghost
I got the same noise during start up. At first, technician told me it was normal but now I will have it checked.

Thanks for the PDF too.
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Old 10-28-2013, 12:46 PM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Thanks to mb techman for posting the bulletin. My dealer replaced the tensioners and check valves. No more start up noise. 2012 owners, I would recommend seeing if your engine number falls within the range for affected engines.
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Old 10-28-2013, 04:14 PM
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Originally Posted by abhatti55
Thanks to mb techman for posting the bulletin. My dealer replaced the tensioners and check valves. No more start up noise. 2012 owners, I would recommend seeing if your engine number falls within the range for affected engines.
where can I find my engine number?
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Old 10-29-2013, 11:12 AM
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Last edited by mb techman; 09-23-2014 at 06:07 PM.
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Old 10-30-2013, 03:25 AM
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does it harm the engine on the long run if it was not fixed ? or is it just the noise !!!
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Old 10-30-2013, 11:54 AM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Originally Posted by Elliotts550SL
where can I find my engine number?
You can get the data card from Star EPC net. Or get your service advisor to run the VIN.
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Old 12-03-2013, 06:57 PM
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Old 12-03-2013, 06:58 PM
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Originally Posted by Ali_E55
does it harm the engine on the long run if it was not fixed ? or is it just the noise !!!
as of right now, its just noise, but who knows what the long term can bring
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Old 12-03-2013, 08:01 PM
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i drive them all, fast and hard
can someone post audio of the "noise"

my car has always made a ticking sound and ive been told that is normal
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Old 12-03-2013, 08:21 PM
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Old 12-03-2013, 08:32 PM
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Old 12-03-2013, 09:57 PM
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'19 G63 Ed 1,'18 M5, '16 G63,'12 458 , '11 E63, Brabus SL55-K8, '10 S63, '94 E500 "Wolf", '91 560SEC
Originally Posted by mb techman
let me know if this works:
http://vocaroo.com/i/s1ghkP3NKSP5

rattle noise up to :04 seconds in
Mine was doing the exact the same thing. Noise free since the updated tensioners.
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