Is this Drone!????
Thread Starter
Super Member
Joined: Dec 2009
Posts: 748
Likes: 93
From: Dhahran, KSA
2020 E 300 Coupe and 2019 GLS 400
Is this Drone!????
Hello everybody,
When I bought the car, the resonator was already replaced with 2.5 straight pipes, there was Bass but not much. However, I replaced the rear cats with a 2.5 X-pipe with time the car is sounding more and more glorious. Problem is, the cruising noise became annoying with time. I'm not sure if It's drone TBH.
I attached a link to the vid. It only occurs while cruising starts at 95Km/h and is very audible at exactly 117Km/h ( Please use a headphone or a good external speakers with good low end playback)
https://www.youtube.com/watch?v=-Pmm...ature=youtu.be
When I bought the car, the resonator was already replaced with 2.5 straight pipes, there was Bass but not much. However, I replaced the rear cats with a 2.5 X-pipe with time the car is sounding more and more glorious. Problem is, the cruising noise became annoying with time. I'm not sure if It's drone TBH.
I attached a link to the vid. It only occurs while cruising starts at 95Km/h and is very audible at exactly 117Km/h ( Please use a headphone or a good external speakers with good low end playback)
https://www.youtube.com/watch?v=-Pmm...ature=youtu.be
Senior Member
Joined: Apr 2010
Posts: 478
Likes: 13
From: Chicago
2008 E63 AMG, 2018 VW Golf R
I'd say so...
Hello everybody,
When I bought the car, the resonator was already replaced with 2.5 straight pipes, there was Bass but not much. However, I replaced the rear cats with a 2.5 X-pipe with time the car is sounding more and more glorious. Problem is, the cruising noise became annoying with time. I'm not sure if It's drone TBH.
I attached a link to the vid. It only occurs while cruising starts at 95Km/h and is very audible at exactly 117Km/h ( Please use a headphone or a good external speakers with good low end playback)
https://www.youtube.com/watch?v=-Pmm...ature=youtu.be
When I bought the car, the resonator was already replaced with 2.5 straight pipes, there was Bass but not much. However, I replaced the rear cats with a 2.5 X-pipe with time the car is sounding more and more glorious. Problem is, the cruising noise became annoying with time. I'm not sure if It's drone TBH.
I attached a link to the vid. It only occurs while cruising starts at 95Km/h and is very audible at exactly 117Km/h ( Please use a headphone or a good external speakers with good low end playback)
https://www.youtube.com/watch?v=-Pmm...ature=youtu.be
I wonder if the length of the straight pipe and the exact position of the x-pipe matters? I've heard that the x-pipe should be installed as close to the engine as possible (??)
Thread Starter
Super Member
Joined: Dec 2009
Posts: 748
Likes: 93
From: Dhahran, KSA
2020 E 300 Coupe and 2019 GLS 400
it certainly sounds like it to me, however, my car doesn't sound like that now, and I never heard the "drone" sound often discussed here. I often wondered what was meant by that term, but listening to what you're experiencing - that sound would fit. I always imagined it to be an evenly sounding hum, but that pulsating sounds closer to what guys here talk about.
I wonder if the length of the straight pipe and the exact position of the x-pipe matters? I've heard that the x-pipe should be installed as close to the engine as possible (??)
I wonder if the length of the straight pipe and the exact position of the x-pipe matters? I've heard that the x-pipe should be installed as close to the engine as possible (??)
It sounds like an even hum and only pulsates when I lift my foot from the pedal. I have a 2.5 Magnaflow X-pipe which is in place of the rear cats.(as close to the engine as possible).
Thread Starter
Super Member
Joined: Dec 2009
Posts: 748
Likes: 93
From: Dhahran, KSA
2020 E 300 Coupe and 2019 GLS 400
Cheers.
MBWorld Fanatic!
Joined: Nov 2008
Posts: 1,560
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Mate you can install some stainless steel bottles (little resonatos) in place of the factory resonator (do not move the x-pipe cause you have it installed in the best performance place) but i think, installing some little resonators you will solve the drene 
Fabio Daniel
Fabio Daniel
Senior Member
Joined: Apr 2010
Posts: 478
Likes: 13
From: Chicago
2008 E63 AMG, 2018 VW Golf R
True, the word "drone" is not mentioned here a lot, but in the W211 and the C63 sections you'll find a few threads.
It sounds like an even hum and only pulsates when I lift my foot from the pedal. I have a 2.5 Magnaflow X-pipe which is in place of the rear cats.(as close to the engine as possible).
It sounds like an even hum and only pulsates when I lift my foot from the pedal. I have a 2.5 Magnaflow X-pipe which is in place of the rear cats.(as close to the engine as possible).
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Thread Starter
Super Member
Joined: Dec 2009
Posts: 748
Likes: 93
From: Dhahran, KSA
2020 E 300 Coupe and 2019 GLS 400
The strange thing I noticed is that the drone changes with outside temp, the hotter it becomes the louder it gets!?!
also I believe that drone is generated at the end of the exhaust section after-resonator before-muffler.
I have the x-pipe placed as close to the engine which gives me better scavenging but the drawback is sound waves resonate at the straight section after the x-pipe.
I wonder what will occur if I put a second x-pipe before the muffler, like some c63s with the Double XX X-pipe by GT PRO Performance Tuning.
For now I might soundproof the trunk, spare well area and see what happens.
My last option is to install the bottle resonators.
also I believe that drone is generated at the end of the exhaust section after-resonator before-muffler.
I have the x-pipe placed as close to the engine which gives me better scavenging but the drawback is sound waves resonate at the straight section after the x-pipe.
I wonder what will occur if I put a second x-pipe before the muffler, like some c63s with the Double XX X-pipe by GT PRO Performance Tuning.
For now I might soundproof the trunk, spare well area and see what happens.
My last option is to install the bottle resonators.
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