Steering
Chassis
75
Introduction of the smart fortwo, Model Series 451
Rack-and-pinion steering
The smart fortwo features rack-and-pinion steering
as standard. The steering ratio is 22:1.
Electric power steering EPS (special equipment)
Electric Power Steering (EPS) is available as special
equipment. The steering ratio is 21:1.
The tasks of the EPS system are as follows:
• Power assistance with Servotronic
• Adaptation of the steering forces
• Active steering centering
General
Electric Power Steering (EPS) is a direct steering
system with integral speed-dependent power assis-
tance and active steering centering. This ensures
that steering wheel forces remain low when the
vehicle is being maneuvered.
An electromechanical system offers the following
advantages compared to a conventional hydraulic
power steering system:
• Less weight and smaller installation space
• Greater degree of freedom to adjust the steering
assistance
• Reduced fuel consumption.
EPS operates without hydraulic components such as
pumps, reservoirs, coolers, lines and hydraulic fluid,
and is therefore a dry, environmentally compatible
system.
P46.10-2935-00
Electric power steering EPS
SN_Typ 451_us.book Seite 75 Freitag, 30. November 2007 1:56 13
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