To drop or not to...
(1) could someone please explain?
(2) Also, after reading over the ECU tuning/warranty dilemma, what problems could I encounter by dropping the car outside of not having the suspension covered?
(3) I have still no evidence of whether the performance package cars sit lower than non-pp cars. Because if they do, maybe Ill opt for that option since the cost would be like getting coilovers installed (and i'd get all the extras).
(4) Is it a safe assumption that dropping the car a bit will improve performance? if so, why didnt AMG build it that way to begin with? (sometimes it seems like manufacturers and after market tuners make some agreement not to give us all the goodies just so we can spend more $$$)
thanks in advance for everyones input...
with oem 19's i think it looks fine - just not sure how it will look if I choose a wheel with a wide lip -
Last edited by PatSC23; Feb 25, 2009 at 11:28 PM.
I'm going to go with the H&R coilovers for my car, as I believe it will offer the right amount of drop, reduce body roll, without sacrificing ride comfort (too much). After that, then I'll start looking for wheels in earnest.
If I were you I would go with coilovers simply because you can adjust the ride height. I didn't go with coils because I didn't feel like shelling out 3 grand for the KW V3's. Now with the H&R coils available for $1500 I would definitely go for those.
The springs are cheaper, I got mine out the door and installed for $500, but they just don't offer the ability to change the ride height, and I feel that even with springs the car sits a little too high.
I'm going to go with the H&R coilovers for my car, as I believe it will offer the right amount of drop, reduce body roll, without sacrificing ride comfort (too much). After that, then I'll start looking for wheels in earnest.
anyone have input on warranty implications ?
If I were you I would go with coilovers simply because you can adjust the ride height. I didn't go with coils because I didn't feel like shelling out 3 grand for the KW V3's. Now with the H&R coils available for $1500 I would definitely go for those.
The springs are cheaper, I got mine out the door and installed for $500, but they just don't offer the ability to change the ride height, and I feel that even with springs the car sits a little too high.
and how easy is it to adjust the coilovers?
Last edited by PatSC23; Feb 25, 2009 at 11:33 PM.
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and how easy is it to adjust the coilovers?
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regardless, i will look into the HR coilovers as well..that price isnt too bad actually
anyone have input on warranty implications ?

thats his correct? looking at it I might want it to be lower than that if i go with a 19" wheel with a 3" lip...i may go the same route as you and go with coilovers...
with coilovers does adjusting them also change the ride quality? does going higher give it a softer ride?
Coilovers are always preferred over springs because they come as a unit designed to operate together. If you just get springs alone, the lower spring height combined with different spring rates will wear out your shocks much faster and can cause problems down the road.
Installing coilovers allows you to adjust the stiffness and ride height of the car. Usually coilovers can be easily adjusted with no tools required; you just turn the knob attatched to the strut to increase or decrease the stiffness of the ride.
Yes, coilovers will improve performance over existing factory suspension setup. the reason why AMG didn't install these products at the factory is likely due to accountants and cost management. Since the C63 is a compromise between luxury and sportiness, there will always be performance potential to be unleashed if you are not afraid of a harsher ride suitable only for smooth race tracks.
Last edited by yooker; Feb 26, 2009 at 12:34 AM.
thats his correct? looking at it I might want it to be lower than that if i go with a 19" wheel with a 3" lip...i may go the same route as you and go with coilovers...
with coilovers does adjusting them also change the ride quality? does going higher give it a softer ride?
The H&R coilovers unfortunately do not allow for any adjustments to their damping stiffness. They're only adjustable for ride height. The friends of mine who have been using or who are currently using H&R coilovers (for Porsches and Bimmers) swear by them, and insist that their cars do not exhibit any added ride harshness compared to OEM but do benefit greatly from reduced body roll.
Sounds too good to be true? I'll be finding out in a few weeks.
The H&R coilovers unfortunately do not allow for any adjustments to their damping stiffness. They're only adjustable for ride height. The friends of mine who have been using or who are currently using H&R coilovers (for Porsches and Bimmers) swear by them, and insist that their cars do not exhibit any added ride harshness compared to OEM but do benefit greatly from reduced body roll.
Sounds too good to be true? I'll be finding out in a few weeks.
Coilovers are always preferred over springs because they come as a unit designed to operate together. If you just get springs alone, the lower spring height combined with different spring rates will wear out your shocks much faster and can cause problems down the road.
Installing coilovers allows you to adjust the stiffness and ride height of the car. Usually coilovers can be easily adjusted with no tools required; you just turn the knob attatched to the strut to increase or decrease the stiffness of the ride.
Yes, coilovers will improve performance over existing factory suspension setup. the reason why AMG didn't install these products at the factory is likely due to accountants and cost management. Since the C63 is a compromise between luxury and sportiness, there will always be performance potential to be unleashed if you are not afraid of a harsher ride suitable only for smooth race tracks.
For daily driver purposes, H&R coilovers (and the KW street) are the best bang for your buck. If you want to track it or have more money than you know what to do with, KW V3 or Bilstein PSS10 are the way to go.
Last edited by Azn_C300; Feb 26, 2009 at 02:02 PM.
For daily driver purposes, H&R coilovers (and the KW street) are the best bang for your buck. If you want to track it or have more money than you know what to do with, KW V3 or Bilstein PSS10 are the way to go.
1.) dont need to super-slam it down
2.) im just looking for some improved perf but its mostly for looks (yes vain but watever) will never track it to be honest
3.) main concern is too harsh a ride which is why I would go with KWV3 being it is adjustable...thing is the cost isnt that much different though - is it only a $500 difference between HR and KWV3?
You can get the H&R coilovers for 1200 on allsprings.com if i read correctly. KWs are 2500.
You can get the H&R coilovers for 1200 on allsprings.com if i read correctly. KWs are 2500.
maybe Ill go HR coilovers - can other people chime in on the HR coilover ride quality? Do u agree with AZN C300 that its similar to stock? and how much of a drop is it?







