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On my CLK BS (approx 38000km with some heavy track use) I have a strange behavior of the rear end.
When I accelerte (even light ) the car go right and when stop toaccelerate (no brake, jsute relase the pression on the accelerator pedal) the car go left
My mecanic checked the rear axe carrier (nothing seems incorrectly tighted)
He think, I have some rubber brushing that are dead, which could be logical with the track use even if the mileage is low
They can not all be purchased separately (need to change the complet arm).
Before changing them for OEM, I am interesting to know if their is aftermarket improved brushing (like Weistec performence brush) and if some owners had experience with these upgrades
Here are the OEM parts I am talking about
I also found K-Mac solutions. It semmes less expensive than Weistec, but which is the best product ?
My Car does not track anymore
FOR THE CLK63 BLACK SERIES do point out we manufacture a TOTAL SYSTEM when is comes to uprating all the front and rear suspension bushings!
In fact every model Mercedes Benz (1968 to 2024) - Sedans, Coupes, Wagons, SUV’s and light commercials !
“K-MAC has the experience” of being the worlds longest established aftermarket performance bush manufacturers (1964). Constantly ensuring strength, reliability in all out 10/10th’s competition racing. With this 60 years of “IN-HOUSE” manufacture / know how ensures kits outperform all other brands.
SEEING THAT THE BLACK SERIES IS A “PERFORMANCE MODEL”:
Yet OEM there is no Front “Camber or Caster” adjustment and no Rear “Camber” (all to do with cost cutting and ever increasing speed of new car assembly lines).
AT K-MAC WE SAW THE NEED THEREFORE - to also include (for all Mercedes Benz models) - above Front and Rear Camber allowing full adjustment of tire contact angles for maximum traction - or to resolve costly, premature excess edge tire wear issues.
OR TRACK DAYS - Able to fast adjust DIAL IN EXTRA NEG. CAMBER to reduce understeer in the pursuit of hitting those corner apexes every time and allowing to go deeper into the corners with increased traction and braking response. With aim of “front row of the grid” lap times !
Besides the K-MAC forward facing thrust arm bushes being “CASTER ADJUSTABLE” - they are also “MONO BALL / SELF ALIGNING”. Allowing arms to travel through their “required suspension arcs” without binding, yet allowing significant improvement to brake and steering response !
SEE SPOILER RE TOTAL SYSTEM
Spoiler
FRONT SUSPENSION
1) #503516K $480 (Both Sides) BUSHINGS - 4 Main Highest Wearing - Not only replacing the OEM soft rubber, but also adding “Camber & Caster - and easily accessible / “precisely” adjustable.
Plus significantly improving brake and steering response and yet unlike other brands still allowing arms to travel through their required suspension arcs without binding.
Specially designed to bolt on without time consuming need to remove OEM control arms. Patented design also allows easy single wrench adjustment (direct on alignment rack UNDER LOAD).
K-MAC patented design allows biggest adjustment range (and no mods) up to 3 degrees Neg. 2 degrees Pos. (and quickest to change settings easily from engine bay - and accurately under load).
See website re all the unique features (what the other brands do not want you to know)
REAR SUSPENSION
3) #501526J $380 (Both Sides) CAMBER (AND EXTRA TOE) ADJUSTABLE BUSHES. Same features as front, no need for arm removal, precise single wrench adjustable.
4) #501528-1K $480 (Both Sides) UPRATED BUSHES FOR THE 6 MULTI LINK ARMS. Tauter response less rear end flex, loss of traction. Especially when applying power to lane change / overtake
5) #501526-2M $595
Upper Camber arms (and extra Toe) Chromoly steel. Only recommend if fitting extra wide tires and require extra Neg Camber for top of tire to outer fender clearance. As more difficult to fit (and adjust) compared to K-MAC lower arm bush adjusters. Also reducing above outer fender clearance if wanting to adjust to reduce inner edge tire wear. NOTE: Kit #501528-1 Uprated bushings - do replace these soft OEM Upper arm bushes !
AUDI to VOLVO - K-MAC Experience Of Resolving OEM Suspension Shortcomings Since 1964 !
06-10-2024, 12:34 PM
