In brief11
1Side air vents ...................... 119
2 Light switch ......................... 105
3 Turn and lane-change
signals ................................. 110
Headlight flash ....................106
Low beam and high beam ..106
4 Cruise control ...................... 136
Speed limiter ....................... 137
Forward collision alert .........139
5 Instruments ........................... 80
6 Horn ..................................... 74
Driver airbag ........................ 45
7 Steering wheel controls .......73
8 Windscreen wiper,
windscreen washer system ...74
Rear wiper, rear washer system ................................... 76
9 Centre air vents adjustment 119
10 Centre air vents ................... 119
11 Electronic Stability Control . 134
12 Hazard warning flashers ....11013 Control indicator for airbag
deactivation .......................... 84
14 Instrument panel storage
button .................................... 55
15 Passenger airbag
deactivation ........................... 47
16 Glovebox .............................. 56
17 Infotainment system
18 Eco button for stop-start
system ................................. 123
19 AUX input, USB input, SD
card slot
20 Selector lever, manual
transmission ....................... 131
Automatic transmission ......128
21 Parking brake ......................133
22 Power outlet .......................... 79
23 Parking assist ..................... 141
Descent control system ......... 86
24 Climate control system ........ 115
25 Accelerator pedal ................122
26 Ignition switch with
steering wheel lock ............122
27 Brake pedal ......................... 13228Clutch pedal ........................ 121
29 Steering wheel adjustment ..73
30 Instrument panel storage ......55
31 Bonnet release lever ..........155
86Instruments and controlsAntilock brake system
(ABS) u illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is
ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 132.
Upshift
[ illuminates green or is shown as a
symbol in the Driver Information
Centre with Uplevel-Combi-Display
when upshifting is recommended for
fuel saving reasons.
ECO drive assistant 3 97.
Descent control system
u illuminates or flashes green.Descent control system 3 135
Illuminates The system is ready for operation.
Flashes The system is activated.
Power steering c illuminates yellow.
It illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
If the indicator does not extinguish
after a few seconds, or if it illuminates
while driving, there is a failure in the
power steering system.
Seek the assistance of a workshop.
Lane departure warning) illuminates green or yellow or
flashes yellow.
Illuminates green
System is switched on and ready to
operate.Illuminates yellow
Failure in the system. Seek the
assistance of a workshop.
Flashes yellow
System recognises an unintended
lane change.
Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or covered by ice or snow
or
Interference due to external sources of ultrasound. Once the source of
interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 141.
Instruments and controls95
Vehicle messages on the
Midlevel-Display
The vehicle messages are displayed
as code numbers.
No.Vehicle message10Brakes overheated16Brake light failure25Left front turn signal failure26Left rear turn signal failure27Right front turn signal failureNo.Vehicle message28Right rear turn signal failure53Tighten gas cap54Water in diesel fuel filterS68Service power steeringS73Service all-wheel drive systemS75Service air conditioningS79Top up engine oilS81Service transmissionS82Change engine oil soonS84Engine power is reducedS89Service vehicle soon128Bonnet open134Park assist fault, clean
bumperS136Service parking assist174Low batteryNote
"S" means "Service vehicle soon".
Seek the assistance of a workshop
immediately.
Vehicle messages on the
Uplevel-Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Fluid levels
■ Anti-theft alarm system
■ Brakes
108LightingAdaptive forward lighting
The Adaptive forward lighting
functions are only available with Bi-
Xenon headlights. Light range, light
distribution and intensity of light are
variably triggered depending on the
light conditions, weather and road
type.
Playstreet lightingActivated automatically at low speed
up to approx. 30 km/h. The light beam is turned at an angle of -5°/3° to the
roadside.
Town lighting
Activated automatically at a speed up to approx. 50 km/h and when street
lights are detected by the light sensor.
The light range is reduced by an
extended light distribution.
Country lighting
Activated automatically at a speed
range between approx. 50 and
115 km/h. The beam of light and the
brightness is different between the
left and the right side.Motorway lighting
Activated automatically at a speed
above approx. 115 km/h and minimal
steering movements. It switches on
after a delay or directly when the vehicle is powerfully accelerated. The
light beam is longer and brighter.
Adverse weather lighting
Activated automatically up to a speed
of approx. 70 km/h, when the rain
sensor recognises condensation or
the wiper operates continuously. The
range, distribution and light intensity
is regulated variably depending on visibility.Dynamic curve lighting
The light beam pivots based on
steering wheel angle and speed,
improving lighting in curves.
Control indicator f 3 88.
Corner lighting On tight bends or when turning off,
depending on the steering angle or
the turn signal light, an additional left
or right reflector is switched on which
illuminates the road at an right angle
to the direction of travel. It is activated up to a speed of 40 km/h.
Control indicator f 3 88.
Driving and operating121Driving and operatingDriving hints............................... 121
Starting and operating ...............122
Engine exhaust .......................... 126
Automatic transmission .............. 128
Manual transmission ..................131
Drive systems ............................ 131
Brakes ........................................ 132
Ride control systems .................134
Driver assistance systems .........136
Fuel ............................................ 149
Trailer hitch ................................ 151Driving hints
Control of the vehicleNever coast with engine not
running (except during Autostop)
Many systems will not function in this
situation (e.g. brake servo unit, power steering). Driving in this manner is a
danger to yourself and others. All
systems function during an Autostop,
but there will be a controlled reduction
in power steering assist and vehicle
speed is reduced.
Stop-start system 3 123.
Pedals
To ensure the pedal travel is
uninhibited, there must be no mats in the area of the pedals.Steering
If power steering assist is lost
because the engine stops or due to a
system malfunction, the vehicle can
be steered but may require increased
effort.
Control indicator c 3 86.Caution
Vehicles equipped with hydraulic
power steering:
If the steering wheel is turned until it reaches the end of its travel, and
is held in that position for more
than 15 seconds, damage may
occur to the power steering
system and there may be loss of
power steering assist.
124Driving and operating
Deactivation
Deactivate the stop-start system
manually by pressing the eco button.
Deactivation is indicated when the
LED in the button extinguishes.
Autostop
If the vehicle is at a low speed or at a standstill, activate an Autostop as
follows:
■ Depress the clutch pedal
■ set the lever in neutral
■ release the clutch pedal
The engine will be switched off while
the ignition stays on.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
During an Autostop, the heating
performance, power steering and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled:
■ The stop-start system is not manually deactivated
■ the bonnet is fully closed
■ the driver's door is closed or the driver's seat belt is fastened
■ the battery is sufficiently chargedand in good condition
■ the engine is warmed up
■ the engine coolant temperature is not too high
■ the engine exhaust temperature is not too high, e.g. after driving with
high engine load
■ the ambient temperature is not too low
■ the climate control system allows an Autostop
■ the brake vacuum is sufficient
■ the self-cleaning function of the diesel particle filter is not active
■ the vehicle has moved since the last Autostop
Otherwise an Autostop will be
inhibited.
Ambient temperature near to the
freezing point can inhibit an Autostop.
Certain settings of the climate control
system may inhibit an Autostop. See
Climate control chapter for more
details.
Driving and operating125
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 122.
Battery discharge protection
To ensure reliable engine restarts, several battery discharge protection
features are implemented as part of
the stop-start system.
Power saving measures
During an Autostop, several electrical
features such as auxiliary electric
heater or rear window heating are
disabled or switched into a power
saving mode. The fan speed of the
climate control system is reduced to
save power.
Restart of the engine by the
driver Depress the clutch pedal to restart the
engine.
The engine start is indicated by the
needle at the idle speed position in
the tachometer.If the selector lever is shifted out of
neutral before depressing the clutch
first, control indicator - illuminates
or is shown as a message in the Driver Information Centre.
Control indicator - 3 85.
Restart of the engine by the
stop-start system
The selector lever has to be in neutral to enable an automatic restart.
If one of the following conditions occurs during an Autostop, the
engine will be restarted automatically
by the stop-start system:
■ The stop-start system is manually deactivated
■ the bonnet is opened
■ the driver's seat belt is unfastened and the driver's door is opened
■ the engine temperature is too low
■ the battery is discharged
■ the brake vacuum is not sufficient
■ the vehicle starts to move■ the climate control system requests
an engine start
■ the air conditioning is manually switched on
If the bonnet is not fully closed, a
warning message is displayed in the
Driver Information Centre.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop during engine restart might be
noticeable.
Parking ■ 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 downhill or
uphill slopes. Depress the foot
brake at the same time to reduce
operating force.
■ Switch off the engine and ignition. Turn the steering wheel until the
steering wheel lock engages.
152Driving and operating
1000 kg a speed of 80 km/h must not
be exceeded; the use of a stabiliser is
recommended.
If the trailer starts snaking, drive more slowly, do not attempt to correct the
steering and brake sharply if
necessary.
When driving downhill, drive in the
same gear as if driving uphill and
drive at a similar speed.
Adjust tyre pressure to the value
specified for full load 3 206.
Trailer towing Trailer loads The permissible trailer loads are
vehicle and engine-dependent
maximum values which must not be exceeded. The actual trailer load is
the difference between the actual
gross weight of the trailer and the
actual coupling socket load with the
trailer coupled.The permissible trailer loads are
specified in the vehicle documents. In
general, they are valid for gradients
up to max. 12 %.
The permitted trailer loads apply up to the specified incline and up to an
altitude of 1000 metres above sea
level. Since engine power decreases
as altitude increases due to the air
becoming thinner, therefore reducing
climbing ability, the permissible gross
train weight also decreases by 10 % for every 1000 metres of additional
altitude. The gross train weight does
not have to be reduced when driving
on roads with slight inclines (less than 8 %, e.g. motorways).
The permissible gross train weight
must not be exceeded. This weight is
specified on the identification plate
3 196.
Vertical coupling load
The vertical coupling load is the load
exerted by the trailer on the coupling
ball. It can be varied by changing the
weight distribution when loading the
trailer.The maximum permissible vertical
coupling load (75 kg) is specified on
the towing equipment identification
plate and in the vehicle documents.
Always aim for the maximum load,
especially in the case of heavy
trailers. The vertical coupling load
should never fall below 25 kg.
Rear axle load The permissible axle loads (see
identification plate or vehicle
documents) must not be exceeded.