Page 45 of 290
42 Seats
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Seat heater (optional)
The seat heater switches are located in the center 
console.
The seat heaters can be switched on with the key in 
steering lock positions 1 or 2.Press switch to turn on seat heater:
1Normal seat heating mode. One indicator lamp in 
the switch lights up.
2Rapid seat heating mode. Both indicator lamps in 
the switch light up. After approximately 5 minutes 
in the rapid seat heating mode, the seat heater 
automatically switches to normal operation and only 
one indicator lamp will stay on.
Turning off seat heater:
If one indicator lamp is on, press upper half of switch.
If both indicator lamps are on, press lower half of 
switch.
If left on, the seat heater automatically turns off after 
approximately 30 minutes of operation.
P54.25-2036-26
12 
     
        
        Page 54 of 290

51 Restraint systems
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index BabySmart
TM airbag deactivation system
Special BabySmart
TM compatible child seats, designed 
for use with the Mercedes-Benz system and available at 
any authorized Mercedes-Benz Center are required for 
use with the BabySmart
TM airbag deactivation system.
With the special child seat properly installed, the 
passenger front airbag will not deploy. The 7 
indicator lamp located on the center console will be 
illuminated, except with key removed or in steering lock 
position 0. The system does not deactivate the door 
mounted side impact airbag.
Self-test BabySmart
TM
without special child seat installed
After turning key in steering lock to position 1 or 2, the 
7 indicator lamp located on the center console 
comes on for approximately 6 seconds and then 
extinguishes.
If the indicator lamp should not come on or is 
continuously lit, the system is not functioning. You must 
see an authorized Mercedes-Benz Center before seating 
any child on the passenger seat.BabySmart
TM is a trademark of Siemens Automotive Corp.
Wa r n i n g !
The BabySmart
TM airbag deactivation system will 
ONLY work with a special child seat designed to 
operate with it. It will not work with child seats 
which are not BabySmart
TM compatible.
Never place anything between seat cushion and 
child seat (e.g. pillow), since it reduces the 
effectiveness of the deactivation system. The 
bottom of the child seat must make full contact 
with the passenger seat cushion. An incorrectly 
mounted child seat could cause injuries to the 
child in case of an accident instead of protecting 
the child.
Follow the manufacturer’s instructions for 
installation of special child seats.The passenger front airbag will not deploy only if 
the 7 indicator lamp remains illuminated.Please be sure to check the indicator every time 
you use the special system child seat. Should the 
light go out while the restraint is installed, please 
check installation. If the light remains out, do not 
use the BabySmart
TM restraint to transport children 
on the passenger seat until the system has been 
repaired. 
     
        
        Page 69 of 290

66 Rear view mirrors
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Rear view mirrors
Inside rear view mirror
Manually adjust the inside rear view mirror.
Use your inside rear view mirror to determine the size 
and distance of objects seen in the passenger-side 
exterior mirror.
Inside rear view mirror, antiglare mode
With the key in steering lock position 2, the mirror 
reflection brightness responds to changes in light 
sensitivity.
With gear selector lever (manual transmission: gearshift 
lever) in position “R”, or with the interior lamp switched 
on, the mirror brightness does not respond to changes 
in light sensitivity.Note:
The automatic antiglare function does not react, if 
incoming light is not aimed directly at sensors in the 
inside rear view mirror.
The automatic antiglare function will not react for 
example, if the wind screen is installed.
Wa r n i n g !
In the case of an accident liquid electrolyte may 
escape the mirror housing when the mirror glass 
breaks.Electrolyte has an irritating effect. Do not allow the 
liquid to come into contact with eyes, skin, 
clothing, or respiratory system. In cases it does, 
immediately flush affected area with water, and 
seek medical help if necessary. 
     
        
        Page 71 of 290
68 Rear view mirrors
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Driver’ s side exterior rear view mirror, antiglare 
mode 
With the key in steering lock position 2, the driver’s 
side mirror reflection brightness responds to changes in 
light sensitivity.
With gear selector lever (manual transmission: gearshift 
lever) in position “R”, or with the interior lamp switched 
on, the driver’s side mirror brightness does not respond 
to changes in light sensitivity.Note:
The automatic antiglare function does not react, if 
incoming light is not aimed directly at sensors in the 
inside rear view mirror.
The automatic antiglare function will not react for 
example, if the wind screen is installed. 
     
        
        Page 94 of 290

91 Climate control
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Air recirculation
This mode can be selected to temporarily reduce the 
entry of annoying odors or dust into the vehicle’s 
interior.
Outside air is not supplied to the vehicle’s interior.
To s el ect ,  p res s O button.
To cancel, press O button again.
The system will automatically switch from recirculated 
air to fresh air
•after approximately 5 minutes at outside 
temperatures below approximately 40°F (5°C),
•after approximately 30 minutes, at outside 
temperatures above approximately 40°F (5°C),
•after approximately 5 minutes, if button S is 
pressed.
At high outside temperatures, the system automatically 
engages the recirculated air mode for approximately 
30 minutes, thereby increasing the cooling capacity 
performance. Press O button again to extend the 
recirculated air mode.Residual engine heat utilization (REST)
With the engine switched off, it is possible to continue 
heating the interior for a short while.
Air volume is controlled automatically. Select 
temperature for each side of the passenger 
compartment. Set air distribution control switch to the 
desired position.
To  s e l e c t :
Turn key in steering lock to position 1 or 0 or remove.
Press O button. Indicator lamp in the button lights 
up.
This function selection will not activate if the battery 
charge level is insufficient.
To  c a n c e l :
Press O button. Indicator lamp in the button goes 
out.
The system will automatically shut off
•if you turn key in steering lock to position 2,
•after approximately 30 minutes,
•if the battery voltage drops. 
     
        
        Page 106 of 290

103 Audio system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Fast forward / reverse
Press the   button. 
“FORWARD” will appear on 
the display and fast forward 
will start.
Press the   button. 
“REWIND” will appear on the 
display and fast reverse will 
start. 
Fast forward / reverse is stopped by pressing the same 
button again, or it will stop automatically at the 
beginning or the end of the tape. The track will 
automatically change at the end or beginning of the tape 
and play will begin.
Scanning 
Press the “SC” key. Each track 
on the cassette will be played 
for 8 seconds in ascending 
order.Note:
The beginning of a track can only be located if there is a 
break of at least 4 seconds between tracks.
Scan will be interrupted if the  ,  ,  ,   
buttons or the “SC” key is pressed.
Dolby NR
1 (noise reduction system)
To enable optimum 
reproduction of cassettes 
recorded using the Dolby B 
system, press the “AUD” key 
followed by the NR key so the 
“NR” in the display is not highlighted. To turn off 
Dolby B noise reduction, press the “NR” key so the “NR” 
in the display is highlighted.
1 Dolby and the double-D symbol 
Ù
 are trademarks of Dolby 
Laboratories Licensing Corporation. The Dolby noise reduction 
system is manufactured under licence from Dolby Laboratories 
Licensing Corporation. 
     
        
        Page 107 of 290

104 Audio system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
CD mode
General notes on CD mode
Should excessive temperatures occur while in CD mode, 
“TEMP HIGH” will appear in the display and muting 
will take place. The unit will then switch back to radio 
mode until the temperature has decreased to a safe 
operating level.
Should temperatures occur while in CD mode which are 
too low, “TEMP LOW” will be displayed, but the CD will 
play. It will be sensitive to skipping if you are driving 
over rough roads.
Handle CDs carefully to prevent interference during 
playback.
Avoid fingerprints and dust on CDs. Do not write on the 
CDs or apply any label to the CDs.
Clean CDs from time to time with a commercially 
available cleaning cloth. No solvents, anti-static sprays, 
etc. should be used. 
Replace the CD in its container after use. Protect CDs 
from heat and direct sunlight.Only use CDs, which bear the 
label shown and that conform to 
the compact disc digital audio 
standard (IEC 60908).
Use of CDs which do not meet this 
standard may cause damage to the 
CD changer. Do not play single-CDs (80 mm) with an 
adapter.
1Optional equipmentWa r n i n g !
The CD changer
1 is a Class 1 laser product. There 
is a danger of invisible laser radiation if the cover 
is opened or damaged.
Do not remove the cover. The CD changer
1 does not 
contain any parts which can be serviced by the 
user. For safety reasons, have any service work 
which may be necessary performed only by 
qualified personnel. 
     
        
        Page 115 of 290
112 Interior equipment
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Interior lighting
1Automatic interior lighting.
Interior lamp is switched on, and off (soft fade) 
delayed, when unlocking or locking the vehicle, or 
when opening or closing a door. However, there will 
be no (soft fade) delay when the key is in steering 
lock position 2.2Door contact off.
Interior lamps remain switched off, even when 
opening a door.
3Interior lamp on.
Notes:
If a door remains open and the switch in position 1, the 
interior lamp switches off after approximately 
5minutes.
The trunk lamp is switched on and off with the interior 
lamp.
Night security illumination
When exiting the vehicle after driving with the exterior 
lamps on, they switch on again for added security for 
approximately 30 seconds after closing the last door. 
The lamp-on time period can be changed at your 
Mercedes-Benz Center.