Driving and operating223Driving and
operatingDriving hints ............................... 224
Driving economically ...............224
Control of the vehicle ...............224
Steering ................................... 224
Starting and operating ...............225
New vehicle running-in ............225
Ignition switch positions ...........225
Starting the engine ..................226
Idle speed control ....................227
Overrun cut-off ........................ 227
Stop-start system ....................227
Parking .................................... 230
Air suspension ......................... 230
Engine exhaust .......................... 232
Diesel particle filter ..................232
Catalytic converter ...................233
AdBlue ..................................... 233
Manual transmission ..................240
Manual transmission automa‐ ted .............................................. 240
Transmission display ...............240
Starting the engine ..................241
Selector lever .......................... 241Manual mode........................... 242
Electronic driving programmes 242
Fault ........................................ 243
Interruption of power supply ....243
Brakes ........................................ 243
Antilock brake system .............243
Parking brake .......................... 244
Brake assist ............................. 245
Hill start assist ......................... 245
Ride control systems .................246
Traction Control system ..........246
Electronic Stability Control ......247
Limited-slip rear axle ...............248
Driver assistance systems .........248
Cruise control .......................... 248
Speed limiter ........................... 250
Active emergency braking .......252
Parking assist .......................... 254
Side blind spot alert .................256
Rear view camera ...................258
Lane departure warning ..........260
Fuel ............................................ 261
Fuel for diesel engines ............261
Refuelling ................................ 262
Trailer hitch ................................ 264
General information .................264
Driving characteristics and towing tips .............................. 264
Trailer towing ........................... 264Towing equipment ...................265
Trailer stability assist ...............265
Auxiliary features .......................265
Power take-off ......................... 265
230Driving and operatingRestart of the engine by the stop-
start system
If one of the conditions for an
Autostop is not fulfilled anymore or
the vehicle starts to move, the engine
may be restarted automatically by the
stop-start system.
An automatic engine restart may not
be possible if a door or the bonnet is
open.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop
during restart might be noticeable.
If the Infotainment system is active,
audio sound may briefly be reduced
or interrupted during the restart.
Fault
If the LED illuminates in deactivation
button ) without first being pressed
to deactivate the system, there is a
fault in the stop-start system and it is
deactivated. A corresponding
message also appears in the Driver Information Centre 3 104.
Seek the assistance of a workshop.Parking9 Warning
● Do not park the vehicle on an
easily ignitable surface. The
high temperature of the
exhaust system could ignite the
surface.
● Always apply parking brake without pressing release
button. Apply as firmly as
possible on a downhill slope or
uphill slope. Depress brake
pedal at the same time to
reduce operating force.
● Switch off the engine.
● If the vehicle is on a level surface or uphill slope, engage
first gear. On an uphill slope,
turn the front wheels away from
the kerb.
If the vehicle is on a downhill
slope, engage reverse gear.
Turn the front wheels towards the kerb.
● Close the windows.
● Turn the ignition key to position
0 and remove it. Turn the
steering wheel until the
steering wheel lock is felt to
engage.
Lock the vehicle 3 23 and activate the
anti-theft locking system 3 34 and
anti-theft alarm system 3 35.
Air suspension
Operates automatically when the
vehicle is driven. The air suspension
system constantly adjusts the ride
height according to the vehicle load.
Caution
To ensure safe operation of the air
suspension system, do not exceed the maximum permissible gross
vehicle weight rating. Refer to
identification plate 3 314 or the
vehicle documents.
Driving and operating231For further information on the air
suspension system, refer to the
operating instructions supplied.
Master switchCaution
The air suspension system must
be switched off when the vehicle is being towed, jump‐started, raised
off the ground or transported.
Do not switch off the air
suspension system when driving.
Jump starting 3 303.
Towing the vehicle 3 305.
The master switch is located on the
lower part of the right-hand door pillar,
behind a trim panel.
Switch on to enable operation and
adjustment of the air suspension
system.
Switch off to put the vehicle into
service mode.
Remote control
When increased ground clearance or improved vehicle access is required,
the suspension can be raised or
lowered using the remote control.
Caution
Ensure there is adequate
clearance and that there are no
obstructions when adjusting the
suspension height.
The remote control unit is magnetic
and may be fixed to any metal part of the vehicle or stored in its holder.
With the engine running, press the appropriate button for two seconds to
adjust the suspension height.
Indicator light will flash intermittently
while height adjustment is in progress
and illuminates when complete.
If the ignition is switched on with
engine not running, the suspension
height can only be lowered.
Notice
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Pre-programmed settings
Adjusts the suspension height to one
of three pre-programmed positions.
232Driving and operatingl:lowered positionk:normal positionj:raised positionCaution
If an obstacle is detected while
raising or lowering, the
suspension height is returned to the normal position after a delay.
This does not guarantee damage- free operation. Ensuring sufficient
clearance and freedom from
obstacles is the responsibility of the driver.
Manual settings
Manual adjustment can only be
performed when the vehicle is
stationary.
Select by pressing h for 2 seconds,
then R to raise, or S to lower.
To exit, press any of the pre-
programmed buttons.
Notice
Obstacle detection is not available
during manual adjustment.
When a certain low speed is
exceeded or when the ignition is
switched off, height adjustment is deactivated automatically and the
suspension height is returned to the
normal position.
Service mode
When the vehicle is stationary, press
i for 5 seconds to put the vehicle into
service mode. The indicator light will
illuminate.
When service mode has been
activated, the air suspension master
switch must be turned off.
To exit service mode, press i again
for 5 seconds.
Fault
If a fault is detected, i will flash
intermittently. If service mode has been activated and there is a fault, h,
S and R will flash simultaneously.
Have the cause of the fault remedied
by a workshop.Engine exhaust9 Danger
Engine exhaust gases contain
poisonous carbon monoxide,
which is colourless and odourless and could be fatal if inhaled.
If exhaust gases enter the interior
of the vehicle, open the windows.
Have the cause of the fault
rectified by a workshop.
Avoid driving with an open load
compartment, otherwise exhaust
gases could enter the vehicle.
Diesel particle filter
The diesel particle filter system filters
soot particles out of the exhaust
gases. The system includes a self-
cleaning function that runs
automatically during driving without
any notification.
The filter is cleaned by periodically
burning off the soot particles at high
temperature. This process takes
place automatically under set driving
286Vehicle careSymbolCircuitWRight low beamaLeft low beam>Front fog lightsLLeft high beamNRight high beamuABSKWindscreen wiperQPneumatic suspension
Instrument panel fuse box
Located behind the trim panel. Pull
upper part of trim panel to remove.
Do not store any objects behind this
panel.
Some circuits may be protected by
several fuses.SymbolCircuitSRight-hand side lightTLeft-hand side lightxClimate control fan&TachographÍPreheatingZInfotainment system / Seat
heating / Driver Information
Centre / Audio connec‐
tions / AlarmlHands-free connectionADPAdditional adaptationsPTOPower take-offUHeated seatsMElectronic immobiliserSymbolCircuitRWindscreen washer,Power windows / Body
control modulenRight heated rear windowmLeft heated rear windowIBody control module /
Power windows / Heating
and ventilation system / Air
conditioningSTOPBrake lightZBody control moduledInterior lights / Brake lightsuABS / Electronic Stability
ControljHorn0Interior lightsOTurn lights / Rear fog light /
Body control moduleUCentral locking
298Vehicle carenot be driven. Seek the
assistance of a workshop.
21. Stow tyre repair kit under the front
seat.
Notice
The driving characteristics of the repaired tyre are severely affected,
therefore have this tyre replaced.
If unusual noise is heard or the
compressor becomes hot, turn
compressor off for at least
30 minutes.
The built-in safety valve opens at a
pressure of 7 bar (102 psi).
Note the expiry date of the kit. After
this date its sealing capability is no
longer guaranteed. Pay attention to
storage information on sealant
bottle.
Replace the used sealant bottle. Dispose of the bottle as prescribed
by applicable laws.
The compressor and sealant can be
used from approx. -30 °C.Wheel changing
Make the following preparations and
observe the following information:
● Park the vehicle on a level, firm and non-slippery surface. The
front wheels must be in the
straight-ahead position.
● Apply the parking brake and engage first gear or reverse gear
(manual transmission) or N
(manual transmission
automated).
● Switch off the air suspension system 3 230.
● Remove the spare wheel 3 300.
● Never change more than one wheel at a time.
● Use the jack only to change wheels in case of puncture, not
for seasonal winter or summer
tyre change.
● The jack is maintenance-free.
● If the ground on which the vehicle
is standing is soft, a solid board
(max. 1 cm thick) should be
placed under the jack.● No people or animals may be in the vehicle when it is jacked-up.
● Never crawl under a jacked-up vehicle.
● Do not start the engine when the vehicle is raised on the jack.
● Clean wheel bolts / nuts and their
threads before mounting the wheel.9 Warning
Do not grease wheel bolt, wheel
nut and wheel nut cone.
1. Remove the wheel cover using the hook supplied.
Vehicle tools 3 289.
Depending on vehicle, first
remove the bolt / nut covers by
hand then remove the wheel
cover, or press wheel cover at the points indicated by the arrows and
turn to release.
Rear-wheel drive, with twin rear
wheels: Remove the tyre valve
extender from the inner rear
wheel.
Vehicle care303The following applies to tyres fitted
opposing the rolling direction:
● Driveability may be affected. Have the defective tyre renewed
or repaired as soon as possible
and fit it instead of the spare
wheel.
● Do not drive faster than 50 mph.
● Drive particularly carefully on wet
and snow-covered road
surfaces.Jump starting
The jump start terminal is located in
the engine compartment.
A vehicle with a discharged vehicle
battery can be started using jump
leads and the vehicle battery of
another vehicle.
Do not start with a quick charger.9 Warning
Be extremely careful when starting
with jump leads. Any deviation
from the following instructions can
lead to injuries or damage caused
by battery explosion or damage to the electrical systems of both
vehicles.
9 Warning
Avoid contact of the battery with
eyes, skin, fabrics and painted
surfaces. The fluid contains
sulphuric acid which can cause
injuries and damage in the event
of direct contact.
Caution
The air suspension system must
be switched off prior to jump
starting.
Air suspension 3 230.
● Never expose the vehicle battery
to naked flames or sparks.
● A discharged vehicle battery can already freeze at a temperature
of 0 °C. Defrost the frozen vehicle
battery before connecting jump leads.
● Wear eye protection and protective clothing when
handling a vehicle battery.
● Use a booster battery with the same voltage (12 V). Its capacity(Ah) must not be much less than
that of the discharged vehicle
battery.
● Use jump leads with insulated terminals and a cross section of
at least 25 mm 2
.
● Do not disconnect the discharged
battery from the vehicle.
304Vehicle care● Switch off all unnecessaryelectrical consumers.
● Switch off the air suspension system 3 230.
● Do not lean over the vehicle battery during jump starting.
● Do not allow the terminals of one
lead to touch those of the other
lead.
● The vehicles must not come into contact with each other during
the jump starting process.
● Apply the parking brake and engage neutral (manual
transmission) or N (manual
transmission automated).Jump start terminal
In the event of a discharged vehicle
battery, the jump start terminal
enables the vehicle to be started
without the need to access the battery inside the vehicle.
The jump start terminal is located in
the engine compartment and
identified by a " <" sign on the red
insulating cover. Lift the red insulating
cover to access the terminal
connector.
Ensure the red insulating cover is
latched back into position when not in
use.
Jump starting procedure
Depending on model, the jump start
terminal may be located at the left-
hand or right-hand side of the engine
compartment.