Page 109 of 474
108 Controls in detail
Memory function*
Storing positions into memory
Adjust the seat, on the driver’s side 
also the steering wheel and exterior 
rear view mirrors, to the desired 
positions (
page 39).
Press memory buttonM.
Release memory buttonM and press a 
memory position switch 2 within 
3 seconds.
All settings are stored to the selected 
position.
Recalling positions from memory
Press and hold desired memory 
position switch2 until the seat, on 
the driver’s side also the steering 
wheel and exterior rear view mirrors, 
have completely moved to the stored 
positions.
!Do not operate the power seats using the 
memory position switches if the seat backrest is 
in an excessively reclined position. Doing so 
could cause damage to the seats.
iReleasing the memory position switches 
immediately stops movement to the stored 
positions. 
     
        
        Page 115 of 474

114 Controls in detail
Lighting
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps 
improve illumination of the area in the 
direction into which you are turning.
The corner-illuminating front fog lamps will 
operate with the engine running and with
the exterior lamp switch in 
positionB (
page 109)
or
the exterior lamp switch in 
positionU (
page 109)
or
the daytime running lamp mode 
activated (
page 111)Driving forward
Switching on corner-illuminating front 
fog lamps
Switch on the left or right turn signal 
(
page 55), depending on whether 
you are turning left or right.
The respective front fog lamp comes on 
and illuminates the area in the 
direction into which you are turning.
or
Turn the steering wheel in the desired 
direction.
The front fog lamp on the side of your 
steering direction comes on.
iCorner-illuminating front fog lamps are not 
available for the following models:
SLK 280 and SLK 350 without Bi-Xenon* 
headlamps
SLK 280 and SLK 350 with Sport Package*
SLK 55 AMG
iWith automatic headlamp mode activated: 
Corner-illuminating front fog lamps will only 
come on in low ambient lighting conditions.
iIf you are driving faster than 
25 mph (40 km/h) or have the front fog lamps 
switched on, the corner-illuminating front fog 
lamps function is not available.
iIf you have switched on the turn signal for 
one side but turn the steering wheel in the 
opposite direction, the corner-illuminating front 
fog lamp the corner-illuminating lamp comes on 
for the side indicated by the turn signal.
The corner-illuminating front fog lamp remains lit 
for a maximum of 3 minutes. Afterwards, it goes 
out even if the turn signal is still switched on.
iThe corner-illuminating front fog lamps 
temporarily come on on both sides of the vehicle 
if you turn the steering wheel in one direction 
and then again in the other direction shortly 
thereafter.
iThe corner-illuminating front fog lamps 
will come on automatically depending on the 
steering angle, even if you did not switch on 
either turn signal.
If the corner-illuminating front fog lamps came 
on automatically, they will also go out automati-
cally depending on the steering angle. 
     
        
        Page 116 of 474

115 Controls in detail
Lighting
Switching off corner-illuminating front 
fog lamps
The combination switch for the turn signal 
resets automatically after major steering 
wheel movements. This will switch off the 
corner-illuminating front fog lamps if they 
where activated by switching on the left or 
right turn signal.
If the turn signal should stay on after 
making the turn, the turn signal and 
corner-illuminating front fog lamp can be 
switched off by returning the combination 
switch to its original position.Driving in reverse
Switching on corner-illuminating front 
fog lamps
Place the gearshift lever (automatic 
transmission*: gear selector lever) in 
positionR.
The front fog lamp opposite to your 
steering direction comes on.
Switching off corner-illuminating front 
fog lamps
Place the gearshift lever (automatic 
transmission*: gear selector lever) out 
of positionR.
The respective front fog lamp goes out.
Hazard warning flasher
The hazard warning flasher can be 
switched on at all times, even with the 
SmartKey removed from the starter 
switch.
The hazard warning flasher switches on 
automatically when an air bag deploys.
The hazard warning flasher switch is 
located on the upper part of the center 
console.
1Hazard warning flasher switch
iThere may be a brief delay before the 
corner-illuminating front fog lamps switch off. 
     
        
        Page 122 of 474

121 Controls in detail
Control system
Control system
The control system is activated as soon as 
the SmartKey in the starter switch is 
turned to position1. The control system 
enables you to
call up information about your vehicle
change vehicle settings
For example, you can use the control 
system to find out when your vehicle is 
next due for service, to set the language 
for messages in the instrument cluster 
display, and much more.
The control system relays information to 
the multifunction display.
Multifunction display
1Main odometer
2Trip odometer
3Current program mode 
(automatic transmission* only)
4Status indicator (outside 
temperature/digital speedometer)
5Current gear selector lever posi-
tion/gear range 
(automatic transmission* only)
iThe displays for the audio systems (radio, 
CD player) will appear in English, regardless of 
the language selected.
Warning!G
A driver’s attention to the road and traffic 
conditions must always be his/her primary 
focus when driving.
For your safety and the safety of others, se-
lecting features through the multifunction 
steering wheel should only be done by the 
driver when traffic and road conditions 
permit it to be done safely.
Bear in mind that at a speed of just 
30 mph (approximately 50 km/h), your 
vehicle is covering a distance of 
44 feet (approximately 14 m) every second. 
     
        
        Page 123 of 474

122 Controls in detail
Control system
Multifunction steering wheel
The displays in the multifunction display 
and the settings in the control system are 
controlled by the buttons on the multifunc-
tion steering wheel.
Depending on the selected menu, pressing 
the buttons on the multifunction steering 
wheel will alter what appears in the multi-
function display.
The information available in the multifunc-
tion display are arranged in menus and 
accompanying functions or submenus.
The individual functions are then found 
within the relevant menu (radio or CD 
operations under 
AUDIO, for example). 
These functions serve to call up relevant 
information or to customize the settings 
for your vehicle.
1Multifunction display
Operating the control system
2Selecting the submenu or setting the 
volume:
Press button
æup/to increase
çdown/to decrease
3Telephone*:
Press button
sto take a call
to dial
to redial
tto end a call
to reject an incoming call
4Moving within a menu:
Press button
jfor next display
kfor previous display
5Menu systems:
Press button
èfor next menu
ÿfor previous menu 
     
        
        Page 124 of 474

123 Controls in detail
Control system
It is helpful to think of the menus, and the 
functions within each menu, as being ar-
ranged in a circular pattern.
If you press buttonèorÿ re-
peatedly, you will pass through each 
menu one after the other.
If you press buttonjork re-
peatedly, you will pass through each 
function display, one after the other, in 
the current menu.
In the 
Settings menu, you will find a num-
ber of submenus instead of functions for 
calling up and changing settings. For in-
structions on using these submenus, see 
“Settings menu” (
page 136).
The number of menus available in the sys-
tem depends on which optional equipment 
is installed in your vehicle.
iThe headings used in the menus table are 
designed to facilitate navigation within the sys-
tem and are not necessarily identical to those 
shown in the control system displays.
The first function displayed in each menu will 
automatically show you which part of the system 
you are in.iSLK 55 AMG:
The steering wheel in this vehicle will vary from 
steering wheel shown. However, multifunction 
steering wheel symbols and feature description 
apply to AMG vehicles as well. 
     
        
        Page 148 of 474

147 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 function is available:Activating easy-entry/exit feature*
Use this function to activate and 
deactivate the easy-entry/exit feature 
(
page 44).
Move the selection marker with 
buttonæorç to the 
Convenience submenu.
Press buttonjork repeatedly 
until the message 
Easy-entry 
Function 
appears in the multifunction 
display.
The selection marker is on the current 
setting.
Press buttonæorç to switch 
the easy-entry function 
On or Off.
FunctionPage
Activating easy-entry/exit 
feature*147
Warning!G
You must make sure no one can become 
trapped or injured by the moving steering 
wheel when the easy-entry/exit feature is 
activated.
To cancel steering wheel movement, do one 
of the following:
Move steering wheel adjustment stalk* 
(
page 44).
Press one of the memory position 
buttons* or the memory buttonM* 
(
page 107).
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 161 of 474

160 Controls in detail
Automatic transmission*
Gear ranges
With the gear selector lever in drive 
positionD and driving in program modeC 
orS, you can select a gear range for the 
automatic transmission to operate within.
Gear selector lever (
page 162):
You can limit the gear range by pressing 
the gear selector lever to the left (D-), and 
reverse the gear range limit by pressing 
the gear selector lever to the right (D+).
Steering wheel gearshift control* 
(
page 163):
You can limit the gear range by pulling the 
left gearshift paddle on the steering wheel 
gearshift control, and reverse the gear 
range limit by pulling the right gearshift 
paddle on the steering wheel gearshift 
control.The selected gear range appears in the 
multifunction display.
1Current gear range
Effect
ïThe transmission shifts through 
sixth gear only.
îThe transmission shifts through 
fifth gear only.
éThe transmission shifts through 
fourth gear only.
Effect
èThe transmission shifts through 
third gear only.
With this selection you can use 
the braking effect of the engine.
çThe transmission shifts through 
second gear only.
Allows the use of engine’s 
braking power when driving
on steep downgrades
in mountainous regions
under extreme operating 
conditions
æThe transmission operates in 
first gear only.
For maximum use of engine’s 
braking effect on very steep or 
lengthy downgrades.