Does my engine sound normal?
Newbie
Joined: Nov 2019
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2017 C63 S
I'm curious about this too. I just bought a 2017 C63S Coupe a few weeks ago and noticed this sound also. I'm assuming it's the Direct Injection Fuel pump as my old GT86 did the same noise, but would like to hear other owner's opinions.
Junior Member
Joined: May 2019
Posts: 44
Likes: 18
C63s, the good sounding one
I have a 2018, it does not make those noises. I will assume that you have topped off the oil, on a flat surface and that it has the correct viscosity.
In in the video, it seems to quiet down after a few seconds. Is that your experience?
In in the video, it seems to quiet down after a few seconds. Is that your experience?
Thread Starter
Member
Joined: Jan 2017
Posts: 136
Likes: 21
W205 C63 S
I just got a fresh oil change from dealer a week prior to the video and the sound does not quiet down, It quiets down in the video because I started to film it with my phone as close to the side of engine as possible and I moved it to body distance as if you popped the hood and was looking at it.
Thread Starter
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Joined: Jan 2017
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W205 C63 S
Member
Joined: Dec 2015
Posts: 147
Likes: 33
W205 C63s 2015
Ticking noise
It does sound louder than normal, does the noise reduce as it warms up?
it’s the sound more pronounced on one bank compared to the other?
These engines have soft foam covers over the injectors and HPFP”s to reduce the noise from these components, it’s unlikely but possible they led these off during service, they easy to see if you remove the air filter housings. It’s a good starting point at trying to narrow it down
it’s the sound more pronounced on one bank compared to the other?
These engines have soft foam covers over the injectors and HPFP”s to reduce the noise from these components, it’s unlikely but possible they led these off during service, they easy to see if you remove the air filter housings. It’s a good starting point at trying to narrow it down
Junior Member
Joined: May 2019
Posts: 44
Likes: 18
C63s, the good sounding one
I just got a fresh oil change from dealer a week prior to the video and the sound does not quiet down, It quiets down in the video because I started to film it with my phone as close to the side of engine as possible and I moved it to body distance as if you popped the hood and was looking at it.
Good luck.
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Thread Starter
Member
Joined: Jan 2017
Posts: 136
Likes: 21
W205 C63 S
It does sound louder than normal, does the noise reduce as it warms up?
it’s the sound more pronounced on one bank compared to the other?
These engines have soft foam covers over the injectors and HPFP”s to reduce the noise from these components, it’s unlikely but possible they led these off during service, they easy to see if you remove the air filter housings. It’s a good starting point at trying to narrow it down
it’s the sound more pronounced on one bank compared to the other?
These engines have soft foam covers over the injectors and HPFP”s to reduce the noise from these components, it’s unlikely but possible they led these off during service, they easy to see if you remove the air filter housings. It’s a good starting point at trying to narrow it down
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Thread Starter
Member
Joined: Jan 2017
Posts: 136
Likes: 21
W205 C63 S
You did not mention that you physically checked the oil, It's the easiest place to start. Since the noise remains consistent, even after running a couple of minutes, It's unlikely that low oil is the culprit. However, accidents happen and it wouldn't be the first time a car didn't get the oil topped off after a dealer change.
Good luck.
Good luck.
.
Member
Joined: Dec 2015
Posts: 147
Likes: 33
W205 C63s 2015
The video was taken after driving for 30 mins and car fully warmed up. As for the sound it appears on both sides of the engine and is very very slightly louder on the drivers side but you would only tell the difference if you popped the hood and put your ear right next to the engine. Does this sound like a loud fuel injector?
Thread Starter
Member
Joined: Jan 2017
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W205 C63 S
It’s hard to say without seeing it in person, the fact you mentioned it sounds uniform from one side of the engine to the other leads me to think it’s not anything serious. The DI injectors are noisier than standard injectors, the only way to prove it is the injectors is by using xentry and doing a cylinder cutout test and see if the noise changes. I would take the air filter housings off first and check the sound insulation was reinstalled first.
Newbie
Joined: Dec 2019
Posts: 8
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From: NoVa
2017 C63 Coupe
I have the same sound on my new to me 2017 c63. I bought the car cpo'd so I assume they would have noticed the noise during inspection if it wasn't normal. My ticking sound is loud even when the hood is closed you can still hear it ticking loudly from the driver side of the engine. It starts after the car is started and sometimes quiets down briefly then comes back but most of the time its ticking. I am going to the dealer for them to check it out and I also have a leak coming from the under the car next to the front passenger side wheel. I posted a sound file in my thread here: https://mbworld.org/forums/c63-c63s-...your-help.html
Last edited by benz63guy; Dec 31, 2019 at 08:09 PM.
Thread Starter
Member
Joined: Jan 2017
Posts: 136
Likes: 21
W205 C63 S
I have the same sound on my new to me 2017 c63. I bought the car cpo'd so I assume they would have noticed the noise during inspection if it wasn't normal. My ticking sound is loud even when the hood is closed you can still hear it ticking loudly from the driver side of the engine. It starts after the car is started and sometimes quiets down briefly then comes back but most of the time its ticking. I am going to the dealer for them to check it out and I also have a leak coming from the under the car next to the front passenger side wheel. I posted a sound file in my thread here: https://mbworld.org/forums/c63-c63s-...your-help.html
But still please keep me updated on what the dealer says about the ticking sound and leak so I know what I can look out for. Thanks!!!
