Page 197 of 522

196 Controls in detailAutomatic transmissionIf you have selected the AMG menu in the
control system and you are driving in the
manual program modeM, upshift
indicator2 in the multifunction display
advises you to upshift before the engine
reaches the overspeed range. Thus you
can drive at the maximum engine speed for
each gear without overrevving the engine.
1Gear indicator
2Upshift indicator
Shift to the next higher gear.
The fuel supply will otherwise be inter-
rupted to prevent the engine from over-
revving.Downshifting
Briefly press the gear selector lever to
the left in theD-direction.
or
Briefly pull left shift paddle1
(page 193).
The transmission shifts to the next
lower gear.Kickdown
Using the kickdown when driving in the
manual program modeM is not possible.
Deactivating manual shift program
Press the program mode selector
switch (
page 195) repeatedly
until
Cor
S appears in the multifunction
display.
or
Restart the engine.
The transmission will go to the
automatic program mode (C orS).
The manual program modeM is not
stored.
Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.i
When you brake or stop, the transmission
shifts down to a gear from which you can easily
accelerate or take off.
Page 198 of 522
197 Controls in detail
Automatic transmission
Emergency operation (Limp-Home Mode)
If vehicle acceleration becomes less re-
sponsive or sluggish or the transmission
no longer shifts, the transmission is most
likely operating in limp-home (emergency
operation) mode. In this mode only second
gear and reverse gear can be selected.
Stop the vehicle in a safe location.
Move the gear selector lever to park
positionP.
Turn off the engine.
Wait at least 10 seconds before
restarting.
Restart the engine.
Move the gear selector lever to
positionD (for second gear) or
positionR.
Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
Page 199 of 522

198 Controls in detailGood visibilityFor information on windshield wipers, see
“Windshield wipers” (
page 58).
Headlamp cleaning system*
The button is located on the left side of the
dashboard.
1Headlamp cleaning button
Switch on the ignition (
page 37).
Press button1.
The headlamps are cleaned with a
high-pressure water jet.For information on filling up the washer
reservoir, see “Windshield washer system
and headlamp cleaning system*”
(
page 332).
Rear view mirrors
For more information on setting the rear
view mirrors, see “Mirrors” (
page 47).
Auto-dimming mirrors
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the interior rear view mirror will respond
automatically to glare when
the ignition is switched on
and
incoming light from headlamps falls on
the sensor in the interior rear view mir-
ror
The rear view mirrors will not react if
reverse gear R is engaged
the interior lighting is turned on
i
The headlamps will automatically be
cleaned when you have
switched on the headlamps
and
operated the windshield wipers with wind-
shield washer fluid fifteen times
When you switch off the ignition, the counter re-
sets.
Page 200 of 522

199 Controls in detail
Good visibility
Warning!
G
The auto-dimming function does not react if
incoming light is not aimed directly at the
sensors in the interior rear view mirror.
The interior rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, if the rear window sun-
shade* is in raised position.
Light hitting the mirror(s) at certain angles
(incident light) could blind you. As a result,
you may not be able to observe traffic con-
ditions and could cause an accident.
Warning!
G
In case of an accident, liquid electrolyte may
escape from the mirror housing if the mirror
glass breaks.
Electrolyte has an irritating effect. Do not al-
low the liquid to come into contact with
eyes, skin, clothing, or respiratory system.
In case it does, immediately flush affected
area with water, and seek medical help if
necessary.!
Electrolyte drops coming into contact with
the vehicle paint finish can be completely re-
moved only while in the liquid state by applying
plenty of water.
Warning!
G
Exercise care when using the
passenger-side exterior rear view mirror.
The mirror surface is convex (outwardly
curved surface for a wider field of view). Ob-
jects in mirror are closer than they appear.
Check your interior rear view mirror or
glance over your shoulder before changing
lanes.
Page 201 of 522

200 Controls in detailGood visibilityActivating exterior rear view mirror
parking position
Follow these steps to activate the mirror
parking position so that the passen-
ger-side exterior rear view mirror will be
turned downward to the stored position.
The buttons are located on the driver’s
door.
1Driver’s side exterior rear view mirror
button
2Adjustment button
3Passenger-side exterior rear view
mirror button
Switch on the ignition (
page 37).
Make sure you have stored a parking
position for the passenger-side exterior
rear view mirror (
page 136).
Vehicles equipped with
Mirror
adjust. parking aid function in the
Convenience
submenu (
page 179):
Make sure the
Mirror adjust. park-
ing aid
function in the
Convenience
submenu of the control system is
switched to
On.
Press button3 for the passenger-side
exterior rear view mirror.
Place the gear selector lever in reverse
gearR.
The passenger-side exterior rear view
mirror will be turned downward to the
stored position.The exterior rear view mirror returns to its
previously stored driving position:
10 seconds after you put the gear se-
lector lever out of positionR
immediately once your vehicle exceeds
a speed of approximately 6 mph
(10 km/h)
immediately when you press button1
for driver’s side mirror.
Page 202 of 522
201 Controls in detail
Good visibility
Sun visors
The sun visors protect you from sun glare
while driving.
Swing sun visor1 down when you ex-
perience glare.1Sun visor
2Vanity mirror
3Mirror cover
4Mirror lamp
To use the vanity mirror2, lift up the
mirror cover3.5Sun visor
6Additional visor*
7Mounting
If sunlight enters through a side window:
Disengage sun visor5 from
mounting7.
Pivot sun visor5 to the side.
Adjust the sun visor5 by pushing or
pulling in direction of arrows.
Warning!
G
Do not use the vanity mirror while driving.
Keep the mirrors in the sun visors closed
while vehicle is in motion. Reflected glare
can endanger you and others.
i
If sun visor1 is disengaged from
mounting7 with mirror cover3 open, mirror
lamp4 will switch off.
i
Close mirror cover3 (if open) before you
disengage the sun visor5 from mounting7
and pivot it to the side.
Page 203 of 522

202 Controls in detailGood visibilityRear window sunshade*
The switch is located in the center console.
1Rear window sunshade switch
Switch on the ignition (
page 37).
Always raise the sunshade fully for its sup-
port against the window frame.
Press switch1 briefly to raise the sun-
shade.
Press switch1 briefly to lower the
sunshade.Roller sunblind* in the rear doors
(Canada only)
Pull the roller sunblind out using the
hooks.
Attach the hooks at the top.
Warning!
G
When operating the rear window sunshade,
be sure that there is no danger of anyone be-
ing harmed by the raising or lowering proce-
dure.
The raising or lowering procedure can be im-
mediately halted by briefly pressing
switch1. To reverse direction of move-
ment, press switch1 again.Warning!
G
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. A child’s
unsupervised access to a vehicle could re-
sult in an accident and/or serious personal
injury.
!
Always guide the sunblind by hand. Do not
let it snap back, as the retractor could be dam-
aged.
Page 204 of 522

203 Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep the battery
drain to a minimum, switch off the
defroster as soon as the rear window is
clear. The defroster is automatically
deactivated after approximately 6 to
17 minutes of operation depending on the
outside temperature.
Switch on the ignition (
page 37).Activating
Press button1 (
page 206) or
(
page 222) or buttonF
(page 207) or (
page 223) on the
respective climate control panel.
The indicator lamp on the button
comes on.Deactivating
Press buttonF or1 again.
The indicator lamp on the button goes
out.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before
driving. Visibility could otherwise be
impaired, endangering you and others.
!
If the rear window defroster switches off too
soon and the indicator lamp starts flashing, this
means that too many electrical consumers are
operating simultaneously and there is insuffi-
cient voltage in the battery. The system re-
sponds automatically by deactivating the rear
window defroster.
As soon as the battery has sufficient voltage, the
rear window defroster automatically turns itself
back on.