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P32.00-2077-00
Introduction of the New smart fortwo coupé and smart forfour | Model Series 453
Axles and suspension
Chassis
Rear axle suspension
A new feature of the De Dion rear axle are the twin-tube
shock absorbers with separate, barrel-shaped coil springs. Ef-
fective noise insulation of the coil springs between the body
and rear axle is achieved by means of two elastomer shims.
The shock absorber is connected to the body by a pin be-
aring. This has a so cardan bearing which contributes to
a reduction of friction in the shock absorber and thus an
improvement in response characteristics. The location and
ratio of the shock absorbers provides suspension tuning with
a favorable compromise between damping of roll and pitch.
In addition, the deliberate inclination of the shock absorbers
produces longitudinal damping of the axle.
Suspension variants
A standard and a sports suspension are available for the new
smart.
On the standard suspension, longer spring travel distances, a
friction-optimized supporting length and precise lateral force
compensation create the prerequisites for comfortable sus-
pension behavior.
The sports suspension available as special equipment fea-
tures tighter front and rear axle springs and the vehicle level
is lowered by 10mm at the front and rear axle compared to
the standard suspension.
Sectional view of rear axle damping/springing
– This printout will not be recorded by the update service. Status: 06/2014 –
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