Page 21 of 416
21 At a glance
Cockpit
Item
Page
1
Combination switch
Turn signals
Windshield wipers
High beam
46
47
123
2
Cruise control lever
Cruise control
Distronic*
203
196
199
3
Instrument cluster
22
4
Multifunction steering 
wheel
24
Item
Page
5
Gear range indicator, clock
22
6
Lever for voice control sys-
tem*, see separate operat-
ing instructions
7
Front Parktronic* warning 
indicator
220
8
Overhead control panel
27
9
Glove box lock
224
10
Glove box lid release
224
11
Glove box
224
12
Center console
25
13
Starter switch
31
Item
Page
14
Horn
15
Steering wheel adjustment 
stalk
Heated steering wheel*
       38
235
16
Parking brake pedal
44
17
Hood lock release
263
18
Parking brake release
44
19
Door control panel
28
20
Exterior lamp switch
120
21
Headlamp washer button
171
22
Front Parktronic* warning 
indicator
220 
     
        
        Page 23 of 416

23 At a glance
Instrument cluster
Item
Page
1
Coolant temperature 
gauge
128
2
Fuel gauge with:Fuel reserve warning lamp
294
3
L
Left turn signal 
indicator lamp
K
Right turn signal 
indicator lamp
46
4
Speedometer with:v
Electronic Stability 
Program (ESP) 
warning lamp
l
Distance* warning 
lamp
1
1Vehicles without Distronic*: Warning lamp without
function. It illuminates with SmartKey in starter
switch position2. It should go out when the engine
is running.
290
5
Tachometer
129
Item
Page
6
Right display with:-
Antilock Brake Sys-
tem (ABS) malfunc-
tion indicator lamp
290
A
High beam head-
lamp indicator
46
<
Seat belt nonusage 
warning lamp
289
7
J 
Reset button 
127
8
Display with:
Program mode
164
Gear range 
indicator
162
Digital clock (see 
COMAND operat-
ing instructions)
9
Multifunction display 
with:
Trip odometer
130
Main odometer
130
Stored speed for:Cruise control
196
Distronic*
142
10
Outside temperature in-
dicator
129
11
Left display with:1
Supplemental 
restraint system 
indicator lamp
292
;
Brake warning 
lamp, except 
Canada
293
3
Brake warning 
lamp, Canada only
293
?
Engine malfunction 
indicator lamp
294
12
Knob for instrument 
cluster illumination
127
Item
Page 
     
        
        Page 127 of 416

127 Controls in detail
Instrument cluster
Instrument cluster
A full view illustration of the instrument 
cluster can be found in the “At a glance” 
section of this manual (
page 22).
The instrument cluster is activated when 
you
open a door
turn on the ignition
press the reset button 
J
(page 22)
switch on the exterior lamps
You can change the instrument cluster set-
tings in the Instrument cluster submenu of 
the control system (
page 149).
Instrument cluster illumination
1Knob for adjusting instrument cluster 
illumination
Use knob1 to adjust the illumination 
brightness for the instrument cluster.
Press knob1. The knob will pop out.
To brighten illumination
Turn knob1 in the instrument cluster 
clockwise.
The instrument cluster illumination will 
brighten.
To dim illumination
Turn knob1 in the instrument cluster 
counterclockwise.
The instrument cluster illumination will 
dim.
iThe instrument cluster illumination is 
dimmed or brightened automatically to 
suit ambient light conditions.
The instrument cluster illumination will 
also be adjusted automatically when 
you switch on the vehicle’s exterior 
lamps. 
     
        
        Page 323 of 416
323 Practical hints
Where will I find ...?
The vehicle tool kit includes:
One pair of universal pliers
Two open-end wrenches
One hex-socket wrench
One interchangeable slot/Phillips 
screwdriver
One towing eye bolt 
One wheel wrench
One alignment bolt
One fuse extractor
One fuse chart for the main fuse box
Spare fusesVehicle jack
To prepare the vehicle jack for use
Remove the vehicle jack from the spare 
wheel well under the trunk floor.
Push the crank handle up.
Turn the crank handle clockwise until it 
engages (operational position).Storing the vehicle jack in the trunk
Retract the vehicle jack arm to the 
base of the vehicle jack.
Push the crank handle up.
Turn the crank handle counterclock-
wise to the end of the stop (storage po-
sition).
!To prevent damage, always disengage 
trunk floor handle from trunk lid and 
lower trunk floor before closing the 
trunk lid. 
     
        
        Page 324 of 416

324 Practical hintsWhere will I find ...?
Removing the spare wheel
Take out the vehicle tool kit tray2.
Loosen the luggage bowl3. To do so, 
turn the luggage bowl counterclock-
wise
Remove the spare wheel4.
Storing the spare wheel
Place spare wheel4 in wheel well.
Secure the spare wheel. To do so, turn 
the luggage bowl3 clockwise to its 
stop. 
Place vehicle tool kit tray2 in luggage 
bowl.Spare wheel S 430, S 500 and S 600 
(except Sport Package*)
The spare wheel rim is mounted with a full 
sized tire of the same type as on the vehi-
cle, and it is fully functional.
However, that spare wheel rim is weight 
optimized and has a limited service life of 
12 000 miles (20 000 km) use before a 
standard wheel rim must replace it.
In case of flat tire, you may temporarily use 
the spare wheel.
Do not operate vehicle with more than one 
spare wheel mounted.
Warning!
G
The jack is designed exclusively for jacking 
up the vehicle at the jack take-up brackets 
built into both sides of the vehicle. To help 
avoid personal injury, use the jack only to lift 
the vehicle during a wheel change. Never 
get beneath the vehicle while it is supported 
by the jack. Keep hands and feet away from 
the area under the lifted vehicle. Always 
firmly set parking brake and block wheels 
before raising vehicle with jack.
Do not disengage parking brake while the 
vehicle is raised. Be certain that the jack is 
always vertical (plumb line) when in use, es-
pecially on hills. Always try to use the jack 
on level surface. Make sure that the jack 
arm is fully seated in the jack take-up brack-
et. Always lower the vehicle onto sufficient 
capacity jackstands before working under 
the vehicle. 
     
        
        Page 326 of 416
326 Practical hintsUnlocking/locking in an emergency
Unlocking/locking in an emergencyUnlocking the vehicle
Unlocking the driver’s door
If you are unable to unlock the driver’s 
door with the SmartKey, open the door 
with the mechanical key as follows:
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of ar-
row and slide the mechanical key2 out 
of the housing.
Unlock the door with the mechanical 
key. To do so, push the mechanical key 
into the lock until it stops and turn it 
counterclockwise to position1.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft 
alarm system. To cancel the alarm, do 
one of the following:
Press button 
Œ 
or 
‹ 
on the 
SmartKey. 
Insert the SmartKey in the starter 
switch. 
If KEYLESS-GO* card present, 
press the KEYLESS-GO* start/stop 
button (
page 33). 
     
        
        Page 327 of 416

327 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
If you are unable to unlock the trunk with 
the SmartKey, open the trunk with the me-
chanical key as follows:Trunk lock
Insert the mechanical key into the 
trunk lid lock.
Turn the mechanical key counterclock-
wise to position1.
Press button2. 
The trunk lid swings open.
Locking the vehicle
If you are unable to lock the vehicle with 
the SmartKey or the KEYLESS-GO* card, 
lock it with the mechanical key as follows:
Close the passenger doors and the 
trunk lid.
Press the central locking switch in the 
center console (
page 103).
Check to see whether the locking knob 
on the passenger door is still visible. If 
necessary push it down manually.
Lock the driver’s door with the me-
chanical key.
Lock the trunk lid if necessary with the 
mechanical key (
page 326).
!The trunk lid swings open upwards au-
tomatically. Always make sure that 
there is sufficient overhead clearance. 
A minimum height clearance of 6 ft. 
(1.85 m) is required to open the trunk 
lid.iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft 
alarm system. To cancel the alarm, do 
one of the following:
Press button 
Œ 
or 
‹ 
on the 
SmartKey. 
Insert the SmartKey in the starter 
switch. 
If KEYLESS-GO* card present, 
press the start/stop button 
(page 33). 
     
        
        Page 330 of 416
330 Practical hintsOpening/closing in an emergency
Opening/closing in an emergencySliding/pop-up roof
The driving mechanism for the slid-
ing/pop-up roof is located behind the lens 
of the interior overhead light.
You can open or close the sliding/pop-up 
roof manually should an electrical malfunc-
tion occur.
1Lens
Pry off lens1 using a srewdriver.
Turn the SmartKey in the starter switch 
to position1 or2.
Remove the crank from the operator’s 
manual pouch.
2Crank
Insert crank2 through hole.
Turn crank2 clockwise to:
close slide roof
raise roof at the rear
Turn crank2 counterclockwise to:
open slide roof
lower roof at the rear
The sliding/pop-up must be resynchro-
nized after being operated manually 
(
page 195).