Newbie Question: Dynamic Engine Mount/Electronic LSD
Thread Starter
Member
Joined: Apr 2018
Posts: 139
Likes: 39
From: Iowa
2014 CLA45; 2019 C63s
Newbie Question: Dynamic Engine Mount/Electronic LSD
Forgive the newbie question--I'm a guy who loves cars, but I'm not a "car guy."
Can someone please explain what a "dynamic engine mount" is, and the advantages it provides over alternatives for day-to-day and performance driving?
Same question for an "electronic limited slip differential."
Can someone please explain what a "dynamic engine mount" is, and the advantages it provides over alternatives for day-to-day and performance driving?
Same question for an "electronic limited slip differential."
Thread Starter
Member
Joined: Apr 2018
Posts: 139
Likes: 39
From: Iowa
2014 CLA45; 2019 C63s
Yeah, thanks. I'll google it. I thought maybe someone could give me the "in a nutshell" response. I'm not an engineer, so I don't need or want to get too technical.
But, in a nutshell, I'll google it.
But, in a nutshell, I'll google it.
Member
Joined: Sep 2017
Posts: 213
Likes: 47
2018 C63S Sedan
Dynamic engine mounts vary the amount of engine vibes that reach the car. Wanna be isolated from the engine or feel that V8 rumble and shake?
An eLSD allows the rear tires to spin at different rates while turning. The inner tire has a shorter arc to cover than the outer. Allows for more controled cornering.
An eLSD allows the rear tires to spin at different rates while turning. The inner tire has a shorter arc to cover than the outer. Allows for more controled cornering.
Member
Joined: Sep 2016
Posts: 128
Likes: 16
C63S EDITION 1
dynamic motor mounts are filled with type of hydraulic fluid, based in driving mode a current is passed through to eithe increase or decrease the viscosity therefore increasing or decreasing the stiffness of the mounts. Stiffer mounts better when in harsher driving conditions with lots of g force high speed turning(ie tracking). Supposedly they can even vary in stiffnes to assist in keeping the motor stable/level during turns.
tip don’t go over lots of bumps or any large pot holes with the car in S+ (which stiffens the suspension and motor mounts) you can blow/pop/tear the motor mounts causes a leak.
eLSD similar to all LSD as mentioned before the allow the back tires to spin at differnt speeds allowing you to turn (google how Does an lsd Work) old black and white video will show you the best.
The “e” means there is an electric mechanism involved in the LSD usually an extension of the esp/stability control.
tip don’t go over lots of bumps or any large pot holes with the car in S+ (which stiffens the suspension and motor mounts) you can blow/pop/tear the motor mounts causes a leak.
eLSD similar to all LSD as mentioned before the allow the back tires to spin at differnt speeds allowing you to turn (google how Does an lsd Work) old black and white video will show you the best.
The “e” means there is an electric mechanism involved in the LSD usually an extension of the esp/stability control.
Newbie
Joined: May 2022
Posts: 4
Likes: 0
From: Australia
The 2021 AMG C63s Sedan
C63s dynamic engine mount
dynamic motor mounts are filled with type of hydraulic fluid, based in driving mode a current is passed through to eithe increase or decrease the viscosity therefore increasing or decreasing the stiffness of the mounts. Stiffer mounts better when in harsher driving conditions with lots of g force high speed turning(ie tracking). Supposedly they can even vary in stiffnes to assist in keeping the motor stable/level during turns.
tip don’t go over lots of bumps or any large pot holes with the car in S+ (which stiffens the suspension and motor mounts) you can blow/pop/tear the motor mounts causes a leak.
eLSD similar to all LSD as mentioned before the allow the back tires to spin at differnt speeds allowing you to turn (google how Does an lsd Work) old black and white video will show you the best.
The “e” means there is an electric mechanism involved in the LSD usually an extension of the esp/stability control.
tip don’t go over lots of bumps or any large pot holes with the car in S+ (which stiffens the suspension and motor mounts) you can blow/pop/tear the motor mounts causes a leak.
eLSD similar to all LSD as mentioned before the allow the back tires to spin at differnt speeds allowing you to turn (google how Does an lsd Work) old black and white video will show you the best.
The “e” means there is an electric mechanism involved in the LSD usually an extension of the esp/stability control.
Last edited by The2021amgc63s; May 30, 2022 at 09:06 AM.
Trending Topics
Senior Member
Joined: Jul 2019
Posts: 488
Likes: 122
C63 Vert
I can't comment on active engine mounts. I can say a differential allows wheels to spin at different speeds. The issue is when one wheel loses traction the differential will push all the power to the wheel without traction.
The mechanical limited slip I am almost sure would be a torsen differential in this application although there are other types available it would not make sense to use them in this situation. A torsen differential multiplies the power from a slipping side to a side with grip. It is instantaneous versus a viscous coupling differential which usually needs the fluid to get hot or become viscous to lock the differential to enable power delivery to a wheel with grip when there is one without it. The downside to a torsen is if there is absolutely no grip for one wheel a torsen cannot function. In these cars there is some vectoring with braking which allows some "grip" to multiply to a wheel with grip in those situations.
An eLSD has a motor which locks up the differential. These can often lock up completely up to a certain amount of torque. Another advantage to the eLSD is you can control the locking with computers. While eLSD are superior a torsen in this application with brake vectoring should be excellent too.
The mechanical limited slip I am almost sure would be a torsen differential in this application although there are other types available it would not make sense to use them in this situation. A torsen differential multiplies the power from a slipping side to a side with grip. It is instantaneous versus a viscous coupling differential which usually needs the fluid to get hot or become viscous to lock the differential to enable power delivery to a wheel with grip when there is one without it. The downside to a torsen is if there is absolutely no grip for one wheel a torsen cannot function. In these cars there is some vectoring with braking which allows some "grip" to multiply to a wheel with grip in those situations.
An eLSD has a motor which locks up the differential. These can often lock up completely up to a certain amount of torque. Another advantage to the eLSD is you can control the locking with computers. While eLSD are superior a torsen in this application with brake vectoring should be excellent too.
MB World Stories
The Best of Mercedes & AMG
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
Member
Joined: Dec 2009
Posts: 121
Likes: 33
From: Toronto
2017 GCV, 2019 JEEP TH-E
hey man I had a random c63s owner say to me he had to get his dynamic engine mount replaced because he drove most the of the times in Comfort Mode and advised me to drive mainly in Sports + if I wanted the mounts to last longer. Would u have an idea what he meant and how(if hes right)? I just believed driving in Comfort Mode would make them last longer
