Page 129 of 506

127 Controls in detailSeats
Drive-dynamic features
Activating
Press button4 (
page 126).
The indicator lamp in the button comes 
on for five seconds and the following 
display appears in the multi-function 
display for about five seconds.
Deactivating
Press button4 (
page 126) again.
The indicator lamp in the button goes 
out.Massage function (PULSE)
The massage function can help prevent 
muscle tension during long drives.
Press button6 (
page 126).
The indicator lamp in button2 comes 
on. The air cushions in the lumbar area 
pulsate.
Seat heating*
Both switches for the front seats are locat-
ed in the center console. The red indicator 
lamps in the switch come on to show 
which heating level you have selected.
iYou can adjust the characteristics of 
the Drive - Dynamic seat using the con-
trol system (
page 169).
iWhen the engine is turned off, the last 
cushion setting is retained in memory. 
The cushion is automatically adjusted 
to this setting when the engine is re-
started.iThe massage function turns off auto-
matically after approximately five min-
utes.
Leveloff
No indicator lamps on
1
One indicator lamp on
2
Two indicator lamps onThe seat heater automatically 
switches to level 1 after approxi-
mately ten minutes.
3
Three indicator lamps onThe seat heater automatically 
switches to level 2 after approxi-
mately five minutes. 
     
        
        Page 132 of 506

130 Controls in detailMemory function
You can store up to three different settings 
for each SmartKey or SmartKey with 
KEYLESS-GO*.
The following settings are stored when us-
ing the buttons on the driver’s door:
Driver’s seat, backrest, head restraint 
position and settings for multicontour 
seat
Steering wheel position
Exterior rear view mirror positions
These SmartKey-dependent memory set-
tings can be deactivated if desired. For in-
formation on SmartKey-dependent 
memory settings, see “Setting 
SmartKey-dependency” (
page 168).
The following settings are not 
SmartKey-dependent. They are stored 
when using the buttons on the front pas-
senger door:
Front passenger seat, backrest, head 
restraint position and settings for mul-
ticontour seat
!Prior to operating the vehicle, the driv-
er should check and adjust the seat 
height, seat position fore and aft, and 
seat backrest angle if necessary, to 
ensure adequate control, reach and 
comfort. The head restraint should also 
be adjusted for proper height. See also 
the section on air bags (
page 61) for 
more information on proper seat posi-
tioning.
In addition, adjust the steering wheel to 
ensure adequate control, reach, opera-
tion and comfort. Both the interior and 
exterior rear view mirrors should be ad-
justed for adequate rear vision.
Fasten seat belts. Infants and small 
children should be seated in a properly 
secured restraint system that complies 
with U.S. Federal Motor Vehicle Safety 
Standards 213 and 225 and Canadian 
Motor Vehicle Safety Standards 213 
and 210.2.
Warning!
G
Do not activate the memory function while 
driving. Activating the memory function 
while driving could cause the driver to lose 
control of the vehicle. 
     
        
        Page 133 of 506

131 Controls in detail
Memory function
The memory button and stored position 
button are located on the door.
MMemory button
1, 2, 3Stored position button
Switch on the ignition (
page 33).
or
Open the respective door and insert 
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and 
exterior rear view mirrors to the de-
sired position (
page 37).
Press memory buttonM.
Release memory buttonM and press 
stored position button 1, 2 or 3 within 
three seconds.
All the settings are stored to the select-
ed position.
Recalling positions from memory
Press and hold stored position 
button1, 2 or3 until the seat, steering 
wheel and exterior rear view mirrors 
have completely moved to the stored 
positions.!Do not operate the power seats using 
the memory button if the seat backrest 
is in an excessively reclined position. 
Doing so could cause damage to front 
or rear seats.iReleasing the stored position button 
stops movement to the stored posi-
tions immediately. 
     
        
        Page 151 of 506
149 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Menu8
Standard 
display
AUDIO
NAV*
Distronic*
Vehicle status 
message mem-
ory
Settings
Trip computer
Telephone
(page 150)
(page 150)
(page 152)
(page 152)
(page 153)
(page 154)
(page 170)
(page 171)
Commands/submenusDigital speed-
ometer
Select radio 
station
Activate 
route guid-
ance
Call up set-
tings
Call up vehicle 
malfunction, 
warning and sys-
tem status mes-
sages stored in 
memory
Reset to factory 
settings
Fuel consumption 
statistics after 
start
Load phone 
book
Call up main-
tenance sys-
tem display
Operate CD 
player
Instrument clus-
ter submenu
Fuel consumption 
statistics since 
the last reset
Search for 
name in 
phone book
Check tire 
pressure*
Time/Date sub-
menu
Call up range
Check engine 
oil level
Lighting sub-
menuVehicle sub-
menuConvenience 
submenuDynamic seat* 
submenu 
     
        
        Page 169 of 506

167 Controls in detail
Control system
Convenience submenu
Access the 
Convenience
 submenu via the 
Settings
 menu. Use the 
Convenience
 sub-
menu to change the settings for a number 
of convenience features. The following 
functions are available:
Activating easy-entry/exit feature
Use this function to activate and deacti-
vate the easy-entry/exit feature 
(
page 121).
Move the selection marker with 
theæ orç button to 
the
Convenience
 submenu.
Press buttonj ork repeatedly 
until you see this message in the dis-
play: 
Function Easy-entry feature
.
The selection marker is on the current 
setting.
Press buttonæ orç to change 
the easy-entry/exit setting.
Function
Page
Activate easy-entry/exit feature
167
Set SmartKey-dependency
168
Set parking position for exterior 
rear view mirror
168
Warning!
G
You must make sure no one can become 
trapped or injured by the moving steering 
wheel and driver’s seat when the easy-en-
try/exit feature is activated.
To cancel seat/steering wheel movement, 
do one of the following:
Press seat adjustment switch 
(page 30).
Move steering column stalk 
(page 40).
Press one of the memory position but-
tons or the memory button M 
(page 131).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle. 
Children could open the driver’s door and 
unintentionally activate the easy-entry/exit 
feature, which could result in an accident 
and/or serious personal injury. 
     
        
        Page 405 of 506
403 Practical hints
What to do if …
Display symbol
Display messages
Possible cause
Possible solution
<
Seat belt system
Drive to workshop
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz 
Center as soon as possible.
9
Service memory full
See Operator’s Manual
The maintenance service system memory 
cannot save any more data.
Have the service memory checked by 
an authorized Mercedes-Benz Center.
K
Close
Sunroof
You have opened the driver’s door with 
the SmartKey removed from the starter 
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof 
(page 224).
J
Close
Sunroof
You have opened the driver’s door with 
the SmartKey removed from the starter 
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof 
(page 224). 
     
        
        Page 476 of 506

474 Technical termsMemory function*
Used to store three individual seat, 
steering wheel and exterior mirror posi-
tions for each SmartKey.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline 
as determined by a standardized meth-
od. It is an indication of a gasoline's 
ability to resist undesired detonation 
(knocking). The average of both the 
MON (Motor Octane Number) and 
->RON (Research Octane Number) is 
posted at the pump, also known as 
ANTI-KNOCK INDEX.
Multifunction display
The display field in the instrument clus-
ter used to present information provid-
ed by the control system.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.Overspeed range
Engine speeds within the red marking 
on the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not 
covered by the Mercedes-Benz Limited 
Warranty.
Parktronic (Parking assist)*
System which uses visual and acoustic 
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator, 
AC compressor, etc.) from the engine.Power train
Collective term designating all compo-
nents used to generate and transmit 
motive power to the drive axles, includ-
ing:
Engine
Clutch/torque converter
Transmission
Transfer case*
Drive shaft
Axle shafts/axles
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and 
operationC.
E 55 AMG with steering wheel gearshift 
control and manual shift program: in 
addition to S and C (for sporty S or 
comfortable C operation), you can use 
M for manual shift program. 
     
        
        Page 483 of 506

481 Index
Checking
Coolant level 308
Oil level 301, 304
Tire inflation pressure 301
Vehicle lighting 301
Child safety 71
Airbags 62
Infant and child restraint systems 67, 
71
LATCH child seat anchors 81
Child safety switch see Blocking of rear 
window operation 83
Cigarette lighter 269
Cleaning
Headlamps 186, 350
Light alloy wheels 351
Parktronic* system sensor 351
side markers 350
tail lamps 350
turn signal lenses 350
Windshield 52
Wood trims 354
Cleaning tires 313Clock 160
Closing
Glove box 262
Panorama sliding/pop-up roof 227
Roller sunblinds 226
Side windows 219
Sliding/pop-up roof* 223
Trunk
Vehicle with KEYLESS-GO* 115, 
116
Trunk lid 112
Windows 218
Closing the trunk lid 115, 116
Cockpit 22, 471
Cockpit management and data system 
(COMAND) 472
Cold tire inflation pressure 337
Collapsible tire 457
Tire inflation pressure 429
COMAND 472
COMAND* see separate operating instruc-
tionsCombination switch 137
Turn signals 51
Windshield wipers 51
Control system 145, 472
AUDIO menu 150
Convenience submenu 167
Display digital speedometer 150
Distronic* menu 152
Functions 149
Instrument cluster submenu 157, 
159
Lighting submenu 162
Menus 148, 149
Multifunction display 145
Multifunction steering wheel 146
Selecting radio system 150
Selecting satellite radio* system 151
Settings menu 154
Standard display menu 150
Submenus 147, 149
TEL* menu 171
Trip computer menu 170
Vehicle status message memory 
menu 153
Vehicle submenu 166