Page 125 of 283

Climate control123Climate controlClimate control systems.............123
Heating and ventilation system 123
Air conditioning system ...........124
Electronic climate control system .................................... 127
Auxiliary heater ........................131
Parking heater ......................... 131
Air vents ..................................... 132
Adjustable air vents .................132
Fixed air vents ......................... 133
Glovebox cooler ......................133
Maintenance .............................. 133
Air intake ................................. 133
Air conditioning regular operation ................................ 133
Service .................................... 133Climate control systems
Heating and ventilation system
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated seats ß
Heated rear window b 3 41.
Heated exterior mirrors b 3 38.
Heated seats ß 3 51.
Temperature
Adjust the temperature by turning £ to the desired temperature.red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
clockwise:increaseanticlockwise:decrease
Page 127 of 283

Climate control125Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by turning Z to the
desired speed.
clockwise:increaseanticlockwise:decreaseCooling A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above
the freezing point. Therefore,
condensation may form and drip from
under the vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops.
Stop-start system 3 139.
Air recirculation system
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air
Page 138 of 283

136Driving and operating0:ignition off: some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:ignition on power mode: ignition
is on, diesel engine is preheating, control indicators illuminate and
most electrical functions are
operable2:engine start: release key after
engine has been started
Steering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.
9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
The electronic key must be inside the
vehicle.
Engine start
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .Ignition on power mode without
starting the engine
Press Start/Stop without operating
clutch or brake pedal. Control
indicators illuminate and most
electrical functions are operable.Engine and ignition off
Press Start/Stop briefly in each mode
or when engine is running and vehicle
is stationary. Some functions remain
active until driver's door is opened,
provided the ignition was on
previously.Emergency shut off during driving
Press Start/Stop for 5 seconds
3 137. Steering wheel locks as soon
as vehicle is stationary.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
To release steering wheel lock, open
and close driver's door and switch the ignition on power mode or start the
engine directly.
Page 139 of 283

Driving and operating1379Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
a message may be displayed in the
Driver Information Centre.
Hold the electronic key with buttons
outside at the marking on the steering column cover as shown in the
illustration.
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 23.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 24.Starting the engine
Vehicles with ignition switch
Turn key to position 1 to release the
steering wheel lock.
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Do not operate accelerator pedal.
Diesel engines: wait until control
indicator ! extinguishes.
Page 148 of 283

146Driving and operatingNote
When unscrewing the protective cap from the filler neck, ammonia fumes
may emerge. Do not inhale as the
fumes have a pungent smell. The
fumes are not harmful by inhalation.
The AdBlue tank should be filled
completely. This must be done if the
warning message regarding
prevention of an engine restart is
already displayed.
The vehicle must be parked on a level surface.
The filler neck for AdBlue is located
behind the fuel filler flap, which is
located at right rear side of the
vehicle.
The fuel filler flap can only be opened
if the vehicle is unlocked.
1. Remove key from ignition switch.
2. Close all doors to avoid ammonia fumes entering the interior of the
vehicle.
3. Release the fuel filler flap by pushing the flap 3 204.
4. Unscrew protective cap from the
filler neck.
5. Open AdBlue canister.
6. Mount one end of the hose on the
canister and screw the other end
on the filler neck.
7. Lift the canister until it is empty, or
until the flow from the canister has stopped. This can take up to
5 minutes.
8. Place the canister on the ground to empty the hose, wait
15 seconds.
9. Unscrew the hose from the filler neck.
10. Mount the protective cap and turn
clockwise until it engages.
Note
Dispose of AdBlue canister
according to environmental
requirements. Hose can be reused
after flushing with clear water before
AdBlue dries out.
Page 157 of 283

Driving and operating155operation of the electric parking brake
is activated. It is not possible when
switch m is pulled at the same time.
Braking when vehicle is moving
When the vehicle is moving and the
switch j is kept pulled, the electric
parking brake system will decelerate the vehicle. As soon as the switch
j is released, braking will be
stopped.
The antilock brake system and the
Electronic Stability Control stabilise
the vehicle while the switch j is kept
pulled. If an error of the electric
parking brake occurs, a warning
message is displayed in the driver
information centre. If the antilock
brake system and the Electronic
Stability Control fail, one or both
indicators i and J illuminate in the
instrument cluster. In this case,
stability can only be provided by
repeatedly pulling and pushing the
switch j until the vehicle is
immobilised.Automatic operation
Automatic operation includes
automatic application and automatic
release of the electric parking brake.
The electric parking brake can also be
applied or released manually by using
the switch j.
Automatic application: ● The electric parking brake is automatically applied when the
vehicle is stationary and the
ignition is switched off.
● j illuminates in the instrument
cluster and a display message
pops up to confirm the
application.
Automatic release: ● Parking brake releases automatically after moving off.
● j extinguishes in the
instrument cluster and a display
message pops up to confirm the
release.If the vehicle is equipped with an
automatic transmission and the brake is not released automatically, make
sure the front doors are correctly
closed.Deactivation of automatic operation 1. Start the engine.
2. If the parking brake is released, apply the parking brake pulling the
switch j.
3. Take your foot off the brake pedal.
4. Press the switch j for at least
10 seconds and maximum
15 seconds.
5. Release the switch m.
6. Press and hold the brake pedal. 7. Pull the switch j for 2 seconds.
The deactivation of the automatic operation of the electric parking brake
is confirmed by o illuminating in the
instrument cluster 3 96. The electric
parking brake can only be applied and
released manually.
To reactivate the automatic
operation, repeat the steps described above.
Page 199 of 283

Driving and operating1973. Open the tailgate. Lift the rearfloor storage cover and remove
the charge cord.
4. Plug the charge cord into the domestic electrical outlet.
Verify the charge cord status.
Charge cord 3 199.
5. Plug in the vehicle plug of the
charge cord into the charge port
on the vehicle.
Charging status 3 199.
The start of charging is indicated by
the green flashing of the status
indicator at the charge port and at the
control box of the charge chord.
Once charging, the vehicle plug will
be locked to the charge port and cannot be disconnected while
charging is active. - indicator
illuminates.
Stop charging9 Warning
After the end of the charging
progress:
● Make sure the charge port door
is closed.
● Always disconnect the charge cord from the domestic
electrical outlet.
● Avoid any entry of water into the charge port of the vehicle,the vehicle plug of the charge
cord and the domestic
electrical outlet.
The battery is fully charged if the status indicator on the charge port
illuminates green.
1. Unlock the vehicle before removing the vehicle plug from
the charge port.
Page 200 of 283
198Driving and operatingIf the vehicle is already unlocked,
lock the vehicle and unlock it
again.
2. Disconnect the vehicle plug from the charge port within 30 seconds.
3. Close the charge port door by pressing firmly in the centre to
latch properly.
4. Disconnect the charging cord from the domestic electrical
outlet.
Charging at wallboxes and public
charging stations
When charging at a wallbox / public
charging station, follow the
instructions for the use of the wallbox / public charging station.
Programmable charging
By default, charging starts as soon as the vehicle plug of the charge cord is
plugged into the charge port of the
vehicle. It is also possible to schedule charging using the Colour Info
Display.
1. Press m.
2. Select Charge.
3. Press /.
4. Enter a start time for loading.
5. Press OK.
6. Plug in the vehicle. Charging 3 195.
7. Within 1 minute, press b to
activate programmable charging.