02 Locks and alarm
Alarm
02
73
Disarming the alarm
–Press the Unlock button on the remote key.
> Two short flashes from the car's direc-tion indicators confirm that the alarm has been deactivated and that alldoors are unlocked.
Turning off (stopping) the alarm
If the alarm is sounding, it can be stopped by pressing the Unlock button on the remote keyor by inserting the remote key in the ignitionslot. Two short flashes from the car's direc-tion indicators confirm that the alarm hasbeen turned off.
Other alarm-related functions
Automatic re-armingIf the doors are unlocked, the locks will auto- matically re-engage (re-lock) and the alarmwill re-arm after 2 minutes unless a door orthe trunk has been opened.
Audible/visual alarm signal
• An audible alarm signal is given by a bat- tery powered siren. The alarm cycle lastsfor 30 seconds.
• The visual alarm signal is given by flash-ing all turn signals for approximately5 minutes or until the alarm is turned off.
Remote key not functioningIf the remote key is not functioning properly, the alarm can be turned off and the vehiclecan be started as follows:
1. Open the driver's door with the key blade
(see page 60 for information on detaching the key blade).
> This will trigger the alarm.
2. Insert the remote key into the ignition slot(also on vehicles with the optional keyless drive). This will turn off the alarm.
3. Start the engine (see page 118 for instructions).
03 Your driving environment
Ignition modes
03
86* Option/accessory, for more information, see Introduction.
Inserting and removing the remote key
Ignition slot with remote key and START/STOP
ENGINE button.
Inserting the remote key 1Holding the end of the remote key with the base of the key blade, insert the remote keyinto the ignition slot as shown in the illustra-tion and press it in as far as possible.
CAUTION
Foreign objects in the ignition slot can impair function or cause damage.
Removing the remote keyThe remote key can be removed from the ignition slot by pulling it out.
Functions
The remote key has 3 modes:
0, I, and II that
can be used without starting the engine. The following table shows examples of whichfunctions are available in the respectivemodes.
NOTE
To access ignition modes I or II without
starting the engine, the brake pedal must not be depressed.
ModeFunction
0The odometer, clock and tem- perature gauge are illuminated.Power seats* can be adjustedand the infotainment system canbe used for a limited time (to min-imize battery drain seepage 226).
IThe Moonroof*, power windows, 12-volt sockets in the passengercompartment, navigation sys-tem*, climate system blower,windshield wipers can be used.
IIThe headlights/taillights illumi- nate. Warning/indicator lights illu-minate for 5 seconds. Other sys-tems are activated. However, theheated seats* and heated rearwindow function can only be acti-vated when the engine is running. Mode II should only be used for very short periods to help avoiddraining the battery.
1
Not necessary in vehicles with the optional keyless drive.
03 Your driving environment
Ignition modes
03
87
Ignition modes
Ignition mode 0–The vehicle is unlocked.
Ignition mode I–With the remote key fully pressed into the ignition slot1
, press START/STOP
ENGINE briefly.
Ignition mode II–With the remote key fully pressed into the ignition slot 1
, press START/STOP
ENGINE for approximately 2 seconds.
Returning to mode 0To return to mode 0 from mode II or I, press
START/STOP ENGINE briefly.
Starting and stopping the engine
See page 118 for information on starting the engine and switching it off.
Emergency towing
See page 286 for important information about the remote key when the vehicle isbeing towed.
1
Not necessary in vehicles with the optional keyless drive.
03 Your driving environment
Seats
03
89
Power seat2
Power seat adjustment controls
Front edge of seat cushion up/down
Seat forward/rearward and up/down
Backrest tilt
OperationThe seats can be adjusted for a short period after unlocking the door with the remote con-trol without the key in the ignition slot. Seatadjustment is normally made when the igni-tion is on and can always be made when theengine is running.
NOTE
•
Only one of the power seat's controls can be used at the same time.
• The power seats have an overloadprotector that activates if a seat isblocked by any object. If this occurs,switch off the ignition (key in posi-tion
0) and wait for a short period
before operating the seat again.
Power seat memory function
Power seat memory buttons
Button for storing a position
Button for storing a position
Button for storing a position
M (memory) button
Programming the seat's memoryThree different seating and door mirror posi- tions can be stored in the driver seat's mem-ory. The following example explains how button (1) can be programmed. Buttons (2) and (3)are programmed in the same way. To program (store) a seat and door mirror position in button (1):
1. Move the seat (and door mirrors) to the
desired positions using the seat and mir- ror adjustment controls.
2. Press and hold down the M (memory)
button (4).
3. With the memory button depressed, press button (1) briefly to store the cur-rent position for the seat/mirrors.
To move the seat and mirrors to the posi-tion that they were in when a button wasprogrammed:
–Press and hold down button (1) until the seat and mirrors stop moving.
2 Optional on certain models
03 Your driving environment
Seats
03
90* Option/accessory, for more information, see Introduction.
NOTE
As a safety precaution, the seat will stop automatically if the button is releasedbefore the seat has reached the presetposition.
Remote key memory and the power
driver's seat* and door mirrors 3
Each remote key has a feature that enables it to store (remember) the position of the powerdriver's seat and door mirrors when the vehi-cle is locked with that remote key. This feature has to be activated
for each of
the remote keys used in the vehicle as fol-
lows: 1. Insert a remote key in the ignition slot.
2. Go into the
MY CAR menu and go to
SettingsCar settingsCar key
memory
3. To activate the remote key memory fea- ture, press ENTER (check the box).
> The remote key is now ready to store the position of the power driver's seat and door mirrors.
Repeat this procedure for each of the vehi-cle's remote keys. See page 197 for a description of the menu system.
Storing the positions of the power
driver's seat/mirrors in the remote key
1. Move the seat and door mirrors to the desired position using the seat and mirror adjustment controls.
2. Exit the vehicle and lock the doors with the remote key (or close the driver's doorand press the lock button on the doorhandle with the remote key in your pos-session on vehicles with the optional key-less drive). > The positions of the power driver's
seat and door mirrors are now storedin the remote key's memory.
NOTE
The remote key's memory feature and the power driver's seat memory function (thesettings made using the buttons on theside of the seat, see the section "Powerseat memory function" on page 89) workindependently of each other.
Returning the seat/mirrors to the stored positions
To move the seat and door mirrors to the position stored in the remote key:
1. Unlock the driver's door with the same
remote key (the one used to lock the doors). For models equipped with theoptional keyless drive, you must have thesame remote key in your possession.
2. Open the driver's door within 2 minutes. The driver's seat and door mirrors will auto- matically move to the position in which youleft them (if the vehicle has been unlockedwith one of the other keys and new seat/mirror adjustments have been made).
3 This information also applies to vehicles with the optional keyless drive.
03 Your driving environment
Seats
03
* Option/accessory, for more information, see Introduction.91
NOTE
• The seat will move to this position even if someone else has moved it to adifferent position and locked the vehi-cle with a
different remote key.
• This feature will work in the same waywith all of the remote keys that youuse with your vehicle.
Emergency stop
WARNING
•
Because the driver's seat can be adjusted with the ignition off, childrenshould never be left unattended in thevehicle.
• Movement of the seat can be STOP-PED at any time by pressing any but-ton on the power seat control panel.
• Do not adjust the seat while driving.The seat should be adjusted so thatthe brake pedal can be depressedfully. In addition, position the seat asfar rearward as comfort and controlallow.
• The seat rails on the floor must not beobstructed in any way when the seat isin motion.
Heated seats*See page 207.
Rear seats
Rear center head restraint
The center head restraint should be adjusted according to the passenger's height. Therestraint should be carefully adjusted to sup-port the occupant's head.
• Pull the head restraint up as required.
• To lower, press the button at the base of the head restraint’s left support whilepressing the head restrain down carefully.
03 Your driving environment
Seats
03
93
CAUTION
To help avoid damage to the upholstery, there should be no objects on the rear seatand the seat belt should not be buckledwhen the backrest is folded down.
WARNING
•Keep vehicle doors and trunk locked and keep keys out of a child’s reach.Unsupervised children could lockthemselves in an open trunk and riskinjury. Children should be taught not toplay in vehicles.
• On hot days, the temperature in thetrunk or vehicle interior can rise veryquickly. Exposure of people to thesehigh temperatures for even a shortperiod of time can cause heat-relatedinjury or death. Small children are par-ticularly at risk.
WARNING
•When one or more sections of the backrest is returned to the uprightposition, check that it is properlylocked in place by pushing and pullingit. The red indicators should also notbe visible.
• Return the outboard head restraints tothe upright position.
• Long loads should always be securelyanchored to help avoid injury in theevent of a sudden stop.
• Always turn the engine off and applythe parking brake when loading/unloading the vehicle.
• Place the transmission in the Park (
P)
position to help prevent inadvertentmovement of the gear selector.
• On hot days, the temperature in thevehicle interior can rise very quickly.Exposure of people to these high tem-peratures for even a short period oftime can cause heat-related injury ordeath. Small children are particularly atrisk.
03 Your driving environment
Steering wheel
03
94* Option/accessory, for more information, see Introduction.
Adjusting
G021138
Adjusting the steering wheel
Lever for releasing/locking the steering wheel
Possible positions
The steering wheel can be adjusted for both height and reach:
1. Pull the lever toward you to release the steering wheel.
2. Adjust the steering wheel to the position that suits you.
3. Push back the lever to lock the steering wheel in place. If the lever is difficult to push into place, press the steering wheellightly at the same time as you push thelever.
WARNING
Never adjust the steering wheel while driv- ing.
With the optional speed-dependent power steering the level of steering force can beadjusted, see page 219.
Keypads and steering wheel paddles*
Steering wheel keypads and paddles*
Cruise control, see page 142. Adaptive cruise control*, see page 144.
Paddles for manually shifting gears (Gear- tronic), see page 124.
Infotainment system controls, see page 227.
Horn
Horn
–Press the steering wheel hub to sound the horn.