Mercedes-Benz E-Cab 2012 Owners Manual - Manual (Page 66)

for example if the road surface is slippery on
one side.
Traction control remains active if you
deactivate ESP
® .
Deactivating/activating ESP ®
i Observe the "Important safety notes"
section ( Y page 61).
G WARNING
ESP ® should not be deactivated during
normal driving other than in the
circumstances described below. Disabling
the system will reduce vehicle stability in
driving maneuvers.
Do not deactivate ESP
® when the emergency
or spare wheel is mounted.
ESP ® is activated automatically when the
engine is started.
It may be best to deactivate ESP
® in the
following situations:
R
when using snow chains
R
in deep snow
R
on sand or gravel
G WARNING
Switch on ESP ® immediately if one of the
previously stated conditions is no longer met.
Otherwise, ESP
® cannot stabilize the vehicle
if it begins to lurch or when a wheel spins.
When you deactivate ESP ® :
R ESP ® no longer improves driving stability.
R
the engine's torque is no longer limited and
the drive wheels can spin. The spinning of
the wheels results in a cutting action, which
provides better grip.
R
traction control is still activated.
R ESP ® still provides support when you
brake.
If ESP ® is deactivated and one or more wheels
start to spin, the ÷ ESP ® warning lamp in
the instrument cluster flashes. In such
situations, ESP
® will not stabilize the vehicle.
X To deactivate:( Y page 206).
The å ESP ® OFF warning lamp in the
instrument cluster lights up.
G WARNING
When the å ESP ® OFF warning lamp is lit,
ESP ® is deactivated.
If the ÷ ESP ® warning lamp and the
å ESP ® OFF warning lamp remain lit,
ESP ® is not available due to a malfunction.
When ESP ® is deactivated or not operational,
vehicle stability in standard driving
maneuvers is reduced.
Adapt your speed and driving to the prevailing
road conditions and to the non-operating
status of the ESP
® .
! Avoid spinning the driven wheels for an
extended period with ESP ® deactivated.
You could otherwise damage the drivetrain.
X To activate:( Y page 206).
The å ESP ® OFF warning lamp in the
instrument cluster goes out.
EBD (electronic brake force
distribution)
i Observe the "Important safety notes"
section ( Y page 61).
EBD monitors and controls the brake
pressure on the rear wheels to improve
driving stability while braking.
G WARNING
If EBD has malfunctioned, the braking system
remains available with full brake boosting
effect. However, the rear wheels can still lock,
e.g. under full braking. This could cause you
to lose control of your vehicle and cause an
accident. You should therefore adapt your
driving style to the different handling
characteristics.
64
Driving safety systems
Safety