Page 25 of 474
23 At a glance
Cockpit
Item
Page
1
Combination switch
Turn signals
Windshield wipers
High beam
51
52
135
2
Cruise control lever
Cruise control
Distronic*
221
214
217
3
Instrument cluster
24
4
Multifunction steering 
wheel
26
5
Steering wheel gearshift 
control (S 55 AMG only)
181
Item
Page
6
Lever for voice control sys-
tem*, see separate operat-
ing instructions
7
Front Parktronic* warning 
indicator for right 
front area 
237
8
Overhead control panel
29
9
Glove box lock
244
a
Glove box lid release
244
b
Glove box
244
c
Center console
27, 28
d
Starter switch
34
e
Horn
Item
Page
f
Steering wheel adjustment 
stalk
Heated steering wheel*
       40
253
g
Parking brake pedal
48
h
Hood lock release
286
j
Parking brake release
48
k
Door control panel
30
l
Exterior lamp switch
131
m
Headlamp washer button*
186
n
Front Parktronic* warning 
indicator for left front area 
237 
     
        
        Page 27 of 474

25 At a glance
Instrument cluster
Item
Page
1
Coolant temperature gauge
141
2
Fuel gauge with fuel tank 
reserve warning lamp
341
3
LLeft turn signal 
indicator lamp
51
KRight turn signal 
indicator lamp
51
4
Speedometer with:vElectronic Stability 
Program (ESP) 
warning lamp
343
lDistance warning 
lamp
Vehicles without Distronic*: 
Distance warning lamp with-
out function. It illuminates 
when the ignition is on. It 
should go out when the en-
gine is running.
342
5
Tachometer
142
Item
Page
6
Right display with:
343
AHigh beam headlamp 
indicator lamp
50
-Antilock Brake 
System (ABS) 
indicator lamp
338
7
JReset button
140
8
Display with:
Gear selector lever 
position
174
Program mode 
174
Digital clock 
(see COMAND operating 
instructions)
9
Multifunction display 
with:
Trip odometer
141
Main odometer
141
Item
Page
a
Outside temperature 
indicator
142
b
Left display with:1Supplemental 
restraint system 
indicator lamp
345
;Brake warning lamp, 
USA only
339
3Brake warning lamp, 
Canada only?Engine malfunction 
indicator lamp, 
USA only
340
±Engine malfunction 
indicator lamp, 
Canada onlyHTire inflation pres-
sure warning lamp
307
c
Knob for instrument cluster 
illumination
140 
     
        
        Page 36 of 474

34 Getting startedUnlockingStarter switch positions
SmartKeyStarter switch
0For removing SmartKey
1Power supply to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical 
consumers) and driving position. 
All lamps (except high beam headlamp 
indicator lamp and turn signal indicator 
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the 
instrument cluster fails to come on 
when the ignition is switched on, have 
it checked and replaced if necessary. 
If a lamp in the the instrument cluster 
remains on after starting the engine or 
comes on while driving, refer to “Lamps 
in instrument cluster” (
page 338).
3Starting position
Warning!
G
When leaving the vehicle, always remove the 
SmartKey or SmartKey with KEYLESS-GO* 
from the starter switch, take it with you, and 
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an 
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident 
and/or serious personal injury.
iWhen you switch on the ignition, the in-
dicator and warning lamps (except high 
beam headlamp indicator lamp and 
turn signal indicator lamps unless acti-
vated) in the instrument cluster come 
on. This indicates that the respective 
systems are operational. The indicator 
and warning lamps (except high beam 
headlamp indicator lamp and turn sig-
nal indicator lamps unless activated) 
should go out when the engine is run-
ning.iThe SmartKey can only be removed 
from the starter switch with the gear 
selector lever in position P. 
     
        
        Page 38 of 474

36 Getting startedUnlockingPosition 0
Before you press the KEYLESS-GO 
start/stop button1, the vehicle’s 
on-board electronics have status 0 (as with 
SmartKey removed).
Position 1
Press KEYLESS-GO start/stop 
button1 once.
This supplies power to some electrical 
consumers, such as seat adjustment.Ignition (or position 2)
Press KEYLESS-GO start/stop 
button1 twice.
All lamps (except high beam headlamp 
indicator lamp and turn signal indicator 
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the 
instrument cluster fails to come on 
when the ignition is switched on, have 
it checked and replaced if necessary. If 
a lamp in the instrument cluster re-
mains on after starting the engine or 
comes on while driving, refer to “Lamps 
in instrument cluster” (
page 338).
For information on starting the engine us-
ing the KEYLESS-GO start/stop button, 
see “Starting with KEYLESS-GO*” 
(
page 47).
iIf you now press the KEYLESS-GO 
start/stop button 
once again, the ignition (position2) 
is switched on
twice, the power supply is again 
switched off
iIf you now press the KEYLESS-GO 
start/stop button once, the power sup-
ply is again switched off.iWhen you switch on the ignition, the in-
dicator and warning lamps (except high 
beam headlamp indicator lamp and 
turn signal indicator lamps unless acti-
vated) in the instrument cluster come 
on. This indicates that the respective 
systems are operational. The indicator 
and warning lamps (except high beam 
headlamp indicator lamp and turn sig-
nal indicator lamps unless activated) 
should go out when the engine is run-
ning. 
     
        
        Page 52 of 474
50 Getting startedDrivingSwitching on headlamps
Low beam headlamps
The exterior lamp switch is located on the 
dashboard to the left of the steering wheel.Exterior lamp switch1Off
2Low beam headlamps on
Turn the switch toB.
The green indicator lampC in the 
exterior lamp switch comes on.
For more information, see “Exterior lamp 
switch” (
page 131).High beam
The combination switch is located on the 
left of the steering column.
Combination switch1High beam
2High beam flasher
Push combination switch in direction of 
arrow1.
The high beam headlamps are switched 
on.
The high beam headlamp 
indicatorA in the tachometer 
comes on.
For more information, see “Lighting” 
(
page 131). 
     
        
        Page 133 of 474

131 Controls in detail
Lighting
Lighting
For information on how to switch on the 
headlamps and use the turn signals, see 
“Switching on headlamps” (
page 50) 
and “Turn signals” (
page 51).
Exterior lamp switch
The exterior lamp switch is located on the 
dashboard to the left of the steering wheel.
M
Off
Daytime running lamp mode 
(page 165)
U
Automatic headlamp mode
Daytime running lamp mode 
(page 165)
C
Parking lamps (also side marker 
lamps, tail lamps, license plate 
lamps, instrument panel lamps)
B
Low beam headlamps (or high 
beam headlamps when the combi-
nation switch is pushed forward) 
and parking lamps
ˆ
Standing lamps, right (turn left one 
stop)
‚
Standing lamps, left (turn left two 
stops)
C
Indicator lamp for parking lamps
‡
Indicator lamp for front fog lamps
†
Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles 
drive on the other side of the road than 
the country in which the vehicle is reg-
istered, you must have the headlamps 
modified for symmetrical low beams. 
Relevant information can be obtained 
at your authorized Mercedes-Benz Cen-
ter. 
     
        
        Page 135 of 474

133 Controls in detail
Lighting
Turn the exterior lamp switch to U.
With the SmartKey in starter switch po-
sition 1 or the KEYLESS-GO* 
start/stop button pressed once, only 
the parking lamps will switch on and off 
automatically.
When the engine is running, the low 
beam headlamps, the tail and parking 
lamps, the license plate lamps, and the 
side marker lamps will switch on and 
off automatically.
Daytime running lamp mode
Turn exterior lamp switch to 
positionM orU.
When the engine is running, the low 
beam headlamps are switched on. In 
low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly: 
tail and parking lamps
license plate lamps
side marker lampsFor nighttime driving you should turn the 
exterior lamp switch to positionB to 
permit activation of the high beam head-
lamps.
Canada only
The daytime running lamp mode is manda-
tory and therefore in a constant 
mode.When the engine is running, and you 
shift from a driving position to positionN 
orP, the low beam headlamps will switch 
off with a three-minute delay.
When the engine is running, and you
turn the exterior lamp switch to 
positionC, the parking lamps 
switch on additionally.
turn the exterior lamp switch to 
positionB, the manual headlamp 
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps 
switch on (
page 389).USA only
By default, the daytime running lamp mode 
is deactivated. Activate the daytime run-
ning lamp mode using the control system, 
see “Setting daytime running lamp mode 
(USA only)” (
page 165).
When the engine is running, and you turn 
the exterior lamp switch to position C 
orB, the manual headlamp mode has 
priority over the daytime running lamp 
mode.
The corresponding exterior lamps switch 
on (
page 389).
Locator lighting and night security illu-
mination
Locator lighting and night security illumi-
nation are described in the control system 
section under “Setting locator lighting” 
(
page 166) and “Setting night security il-
lumination” (
page 166). 
     
        
        Page 137 of 474
135 Controls in detail
Lighting
Combination switch
The combination switch is located on the 
left side of the steering column.
1High beam
2High beam flasherSwitching on high beams
Turn exterior lamp switch to 
positionB or toU 
(page 131).
Push the combination switch in 
direction1.
The high beam indicatorA on the 
instrument cluster comes on 
(page 24).High beam flasher
Pull the combination switch briefly in 
direction2.