2011 Mercedes SL-Class Owner's Manual - Page 145

2011 Mercedes SL-Class Manual

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Driving systems The vehicle chassis ride height is raised or lowered according to the selected level setting and to the vehicle speed. With increasing speed, the ride height is reduced by up to approximately 0.5 in (12 mm). With decreasing speed, the ride height is again raised to the selected vehicle level. These height adjustments are so small that you may not notice any change. 143 Setting the vehicle level G Warning! To help avoid personal injury, keep hands and feet away from wheel housing area, and stay away from under the vehicle when lowering the vehicle chassis. X X Start the engine. Press vehicle level control button = briefly to change from one level setting to the next. RThe normal level is selected if both indicator lamps are off. RAt RAt The following vehicle level settings can be selected when the vehicle is stationary and the engine is running: Level Use for Indicator lamps Both lamps are off. One lamp is on. level 1, indicator lamp : is on. Normal For driving on normal roads. Level 1 For driving on rough roads or with snow chains (Y page 208). level 2, both indicator lamps : and ; are on. When the vehicle is at level 2, pressing vehicle level control button = will return the vehicle to normal level. i Pressing vehicle level control button = twice in quick succession will cause the vehicle to immediately raise or lower to the new vehicle level as selected. Suspension tuning The suspension tuning is set according to: Ryour Rroad Ryour Rthe Level 2 For driving on very Both lamps rough road surface are on. conditions. driving style surface conditions choice of suspension style Select the level 1 and level 2 settings only when required by current driving conditions. Otherwise the fuel consumption may increase and/or the handling may be impaired. vehicle loading (Comfort) You can set the following suspension styles: RRegular RSporty i The selected setting remains stored in memory, even when the engine is turned off and restarted. i The selected setting remains stored in memory, even when the engine is turned off and restarted. Z Controls in detail

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The vehicle chassis ride height is raised or
lowered according to the selected level
setting and to the vehicle speed. With
increasing speed, the ride height is reduced
by up to approximately 0.5 in (12 mm). With
decreasing speed, the ride height is again
raised to the selected vehicle level.
These height adjustments are so small that
you may not notice any change.
Setting the vehicle level
G
Warning!
To help avoid personal injury, keep hands and
feet away from wheel housing area, and stay
away from under the vehicle when lowering
the vehicle chassis.
The following vehicle level settings can be
selected when the vehicle is stationary and
the engine is running:
Level
Use for
Indicator
lamps
Normal
For driving on
normal roads.
Both lamps
are off.
Level 1
For driving on
rough roads or
with snow chains
(
Y
page 208).
One lamp
is on.
Level 2
For driving on very
rough road surface
conditions.
Both lamps
are on.
Select the level 1 and level 2 settings only
when required by current driving conditions.
Otherwise the fuel consumption may
increase and/or the handling may be
impaired.
i
The selected setting remains stored in
memory, even when the engine is turned
off and restarted.
X
Start the engine.
X
Press vehicle level control button
=
briefly
to change from one level setting to the
next.
R
The normal level is selected if both
indicator lamps are off.
R
At level 1, indicator lamp
:
is on.
R
At level 2, both indicator lamps
:
and
;
are on.
When the vehicle is at level 2, pressing
vehicle level control button
=
will return
the vehicle to normal level.
i
Pressing vehicle level control button
=
twice in quick succession will cause the
vehicle to immediately raise or lower to the
new vehicle level as selected.
Suspension tuning
The suspension tuning is set according to:
R
your driving style
R
road surface conditions
R
your choice of suspension style
R
the vehicle loading
You can set the following suspension styles:
R
Regular (Comfort)
R
Sporty
i
The selected setting remains stored in
memory, even when the engine is turned
off and restarted.
Driving systems
143
Controls in detail
Z