
86 Restraint systems
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To install a “LATCH” type child seat, the mounts (1) 
must be folded forward until they lock in place. To do so, 
grip inner side of mounts and fold forward. Install child 
seat according to the manufacturer’s instructions.
The child seat must be firmly attached in the right and 
left side mounting fittings (1).
To fold mounts (1) back, press down button (2) on each 
mount and return mount into its catch.
Non-“LATCH” type child seats may also be used and are 
capable of being installed using the vehicle’s seat belt 
system. Install child seat according to the 
manufacturer’s instructions.
Wa r n i n g !
The “LATCH” mounting fittings are intended for 
children up to 22 kg (50 lbs) in weight.Children too big for child restraint systems must 
ride in back seats using regular seat belts. Position 
shoulder belt across chest and shoulder, not face or 
neck. A booster seat may be necessary to achieve 
proper belt positioning for children from 41 lbs. to 
the point where a lap / shoulder belt fits properly 
without one.Before installing the child seat, make sure the 
mounting fittings (1) are folded out and locked in 
place.Install child seat according to manufacturer’s 
instructions.The child seat must be firmly attached in the right 
and left side mounting fittings (1).An incorrectly mounted child seat may come loose 
during an accident.Damaged or impact damaged child seats or child 
seat mounting fittings must be replaced.Do not leave children unattended in the vehicle, 
even if the children are secured in a child restraint 
system. 

94 Memory function
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data Instruments 
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Storing positions into memory:
With the electronic key in starter switch position 1 or 2 
or with the relevant door open and the electronic key 
inserted in the starter switch.
Adjust the seat to the desired position.
Driver’s seat:
You can also adjust the steering wheel and the exterior 
mirrors electrically for the driver’s seat. See page 90 for 
exterior rear view mirror adjustment and page 88 for 
steering wheel adjustment.
Turn button (2) to selected memory position.
Push memory button (1), release and push the position 
button (2) within 3 seconds.Recalling positions from memory:
To recall a seat / steering wheel / exterior rear view 
mirror position, turn button (2) to selected memory 
position and press to recall.
The seat / steering wheel / exterior rear view mirror 
movement stops when the button is released.
Caution!
Do not operate the power seats using the memory 
button if the backrest is in an excessively reclined 
position. Doing so could cause damage to front or rear 
seats.
First move backrest to an upright position. 

95 Memory function
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Important!
Prior to operating the vehicle, the driver should check 
and adjust if necessary the seat height, seat position 
fore and aft, and backrest angle to insure adequate 
control, reach and comfort. The head restraint should 
also be adjusted for proper height. See also airbag 
section for proper seat positioning.
In addition, also adjust the steering wheel to ensure 
adequate control, reach, operation and comfort. Both the 
inside and outside rear view mirrors should be adjusted 
for adequate rearward 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 
Standard 213 and Canadian Motor Vehicle Safety 
Standard 213.
All seat, head restraint, steering wheel, and rear view 
mirror adjustments as well as fastening of seat belts 
should be done before the vehicle is put into motion.
Wa r n i n g !
Children 12 years old and under must never ride in 
the front seat, except in a Mercedes-Benz 
authorized BabySmart
TM compatible child seat, 
which operates with the BabySmart
TM system 
installed in the vehicle to deactivate the passenger 
side front airbag when it is properly installed. 
Otherwise they will be struck by the airbag when it 
inflates in a crash. If this happens, serious or fatal 
injury can result.
According to accident statistics, children are safer 
when properly restrained in the rear seating 
positions than in the front seating positions. 
Infants and small children must ride in back seats 
and be seated in an appropriate infant or child 
restraint system, which is properly secured with 
the vehicle’s seat belt, fully in accordance with the 
child seat manufacturer’s instructions.A child’s risk of serious or fatal injuries is 
significantly increased if the child restraints are 
not properly secured in the vehicle and the child is 
not properly secured in the child restraint. 

155 Climate control
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Climate control
The system is always at operational readiness, except 
when manually switched off.
The climate control only operates with the engine 
running.
The temperature selector should be left at the desired 
temperature setting. The temperature selected is 
reached as quickly as possible.
The system will not heat or cool any quicker by setting a 
higher or lower temperature.
The desired interior temperature can be selected 
separately for the left and right side of the passenger 
compartment. Adjust the temperature settings in small 
increments.
The climate control removes considerable moisture from 
the air during operation in the cooling mode. It is 
normal for water to drip on the ground through ducts in 
the underbody.
The air conditioning will not engage (no cooling) if the 
economy mode S is selected, see page 159. Notes:
Do not obstruct the air flow by placing objects on the air 
flow-through exhaust slots below the rear window.
Also keep the air intake grill in front of the windshield 
free of snow and debris.
The storage compartment between the front seats can be 
ventilated. See page 171 for notes on ventilating the 
storage space under the armrest in the center console.
The air conditioner switches itself off for its own 
protection if refrigerant is lost. No cooling will then take 
place. Economy mode S cannot be switched off. Have 
the air conditioner checked by a Mercedes-Benz Center 
should this happen.
If the vehicle interior has been heated by direct sunlight 
and is very hot, ventilate the interior (open door or 
windows for a short period) before driving off.
Dust filter
Nearly all dust particles and pollen are filtered out 
before outside air enters the passenger compartment 
through the air distribution system. 

164 Automatic climate control
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Notes:
Do not obstruct the air flow by placing objects on the air 
flow-through exhaust slots below the rear window.
Also keep the air intake grill in front of the windshield 
free of snow and debris.
The storage compartment between the front seats can be 
ventilated. See page 171 for notes on ventilating the 
storage space under the armrest in the center console.
The air conditioner switches itself off for its own 
protection if refrigerant is lost. No cooling will then take 
place. Economy mode S cannot be switched off. Have 
the air conditioner checked by a Mercedes-Benz Center 
should this happen.
If the vehicle interior has been heated by direct sunlight 
and is very hot, ventilate the interior (open door or 
windows for a short period) before driving off.
Dust filter
Nearly all dust particles and pollen are filtered out 
before outside air enters the passenger compartment 
through the air distribution system.Basic setting – automatic mode
In the automatic mode the automatic climate control 
cools or heats the interior depending on the direction 
and strength of the sunlight, outside temperature and 
the selected interior temperature of the vehicle. With 
the automatic mode switched off, the air volume and 
distribution can still be set manually.
Briefly press left or right U button. The h, j 
and k symbols will no longer be visible.
The economy mode and air recirculation functions will 
be switched off. The automatic blower will be activated 
at the same time.
We recommend to set the temperature switches on the 
left and right to 72
°F (22
°C). Please make changes from 
this setting to suit your personal requirements.
Heating mode:
To lower headroom temperature, use thumbwheel
(4, page 160).
Air conditioning mode:
Open air outlets at dashboard top center (7, page 160) 
for an even air distribution. 

212 Interior equipment
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data Instruments 
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Rear seatsTo  o p e n  a s h t r ay :
Pull at top of cover. 
To remove insert: 
Press latch (2) and remove insert. 
To replace insert: 
Install insert and close the ashtray. 

241 Starter switch
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Important!
If the electronic key is left in the starter switch 
position 0 for a extended period of time, it can no longer 
be turned in the lock. In this case, remove electronic key 
from starter switch and reinsert.
Caution!
To prevent accelerated battery discharge and a possible 
dead battery, always remove the electronic key from the 
starter switch. Do not leave the electronic key in starter 
switch position 0.Notes:
A warning sounds when the driver’s door is opened 
with the electronic key is in starter switch position 1 
or 0.
If the electronic key cannot be turned in the starter 
switch, the vehicle battery may not be sufficiently 
charged. See battery on page 336 or jump starting on 
page 338.
With the engine at idle speed, the charging rate of the 
alternator (output) is limited.
It is therefore recommended that you turn off 
unnecessary electrical consumers while driving in stop-
and-go traffic. This precaution helps to avoid draining of 
the battery.
Unnecessary strain on the battery and charging system 
may be minimized by turning off the following power 
consumers, for example:
Heated seats, rear window defroster. In addition, the 
automatic climate air volume control should be set to 
the lowest position. 

289 Malfunction and indicator lamps
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index Malfunction and indicator lamp in the center 
console
AIRBAG OFF indicator lamp
The ü indicator lamp will light up for approximately 
6 seconds when you turn the electronic key in starter 
switch to position 1 or 2.
It does not light up if there is a fault in the system.
The ü indicator lamp stays lit as long as a 
Baby Smart
TM child seat is properly installed on the 
front passenger seat. It indicates that the front 
passenger airbag is switched off.
See page 69 for BabySmart
TM airbag and its deactivation 
system.
Baby Smart
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.Follow the manufacturer’s instructions for 
installation of special child seats.The passenger front airbag will not deploy only if 
the ü 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 front passenger seat until the system has 
been repaired.