Page 19 of 321
In brief17Starting offCheck before starting off ● Tyre pressure 3 260 and
condition 3 296.
● Engine oil level and fluid levels 3 237.
● All windows, mirrors, exterior lighting and number plates are
free from dirt, snow and ice and
are operational.
● Proper position of mirrors 3 36,
seats 3 46 and seat belts
3 56.
● Brake function at low speed, particularly if the brakes are wet.Starting the engine
● Manual transmission: operateclutch and brake pedal.
● Automatic transmission: operate brake pedal and move selector
lever to P or N.
● Do not operate accelerator pedal.
● Press Engine Start/Stop button.
● Release button after starting procedure begins.
Starting the engine 3 159.
Stop-start system
If the vehicle is at a low speed or at a
standstill and certain conditions are
fulfilled, an Autostop is activated.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
Stop-start system 3 161.
Page 162 of 321

160Driving and operatingPress Engine Start/Stop briefly: an
automatic procedure operates the
starter with a short delay until the engine is running, see automatic
starter control.
To switch off the engine when vehicle is stationary, press
Engine Start/Stop briefly. Automatic
transmission: apply the parking brake
and engage P.
To start the engine during an
Autostop:
Manual transmission: during an
Autostop, the engine can be started
by depressing the clutch pedal
3 161.
Automatic transmission: during an
Autostop, the engine can be started
by releasing the brake pedal 3 161.
Emergency engine shut off during driving
If the engine needs to be switched offduring driving in case of emergency,
press Engine Start/Stop for more than
2 seconds or press twice briefly within
5 seconds.9 Danger
Switching off the engine during
driving may cause loss of power
support for brake and steering
systems. Assistance systems and
airbag systems are disabled.
Lighting and brake lights will
extinguish. Therefore power down the engine and ignition while
driving only when required in case of emergency.
Starting the vehicle at low
temperatures
Starting the engine without additional
heaters is possible down to -25 °С for diesel engines and -30 °C for petrol
engines. Required is an engine oil
with the correct viscosity, the correct fuel, performed services and a
sufficiently charged vehicle battery.
With temperatures below -30 °C the
automatic transmission requires a
warming phase of approx. 5 minutes.
The selector lever must be in position P .
Automatic starter control
This function controls the engine
starting procedure. The driver does
not need to hold Engine Start/Stop
pressed. Once applied, the system
will go on starting automatically until
the engine is running. Because of the checking procedure, the engine startsrunning after a short delay.
Possible reasons for a non-starting
engine:
● Clutch pedal not operated (manual transmission).
● Brake pedal not operated or selector lever not in P or N
(automatic transmission).
● Timeout occurred.
Turbo engine warm-up
Upon start-up, engine available
torque may be limited for a short time, especially when the engine
temperature is cold. The limitation is
to allow the lubrication system to fully
protect the engine.
Page 258 of 321
256Vehicle careNo.Circuit52–53–54–55–56Starter57–58–59Left headlight (LED)60Cooling fan61–62–63–64–65Climate control66–67–68–No.Circuit69Right high beam (Halogen) /
Right headlight (LED)70Left high beam (Halogen)71–72Starter73–74Transmission control module75Engine control module76Exhaust reduction system77–78Horn79Washer system80–81Engine control module82–83Ignition coil84Ignition coil85PowertrainNo.Circuit86–87Diesel fuel heating88Air shutter89–90–91–92After boil pump93Electronic key system94–95Coolant pump96Diesel fuel heating97–98–99Coolant pump
After having changed defective fuses,
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunction may occur.
Page 318 of 321

316HHalogen headlights ....................243
Hand brake ................................. 174
Hazard warning flashers ............138
Headlight flash ........................... 136
Headlight range adjustment ......136
Headlights................................... 133
Headlights when driving abroad 136
Head restraint adjustment .............8
Head restraints ............................ 44
Head-up display.......................... 119 Heated mirrors ............................. 37
Heated rear window ..................... 41
Heated steering wheel .................87
Heated windscreen .......................41
Heating .................................. 53, 54
High beam ......................... 109, 134
High beam assist ................109, 134
Hill start assist ........................... 176
Horn ....................................... 13, 88
I
Identification plate .....................284
Immobiliser .......................... 35, 109
Indicators .................................... 100
Inductive charging ........................93
Info Display ................................. 117
Instrument cluster ........................95
Instrument panel fuse box .........257Instrument panel illumination
control .................................... 140
Instrument panel overview ........... 10
Interactive driving system ...........179
Interior care ............................... 280
Interior lighting ............................ 140
Interior lights ...................... 141, 253
Interior mirrors .............................. 38
Interruption of power supply ......172
Introduction .................................... 3
J
Jump starting ............................. 274
K Key, memorised settings ..............24
Keys ............................................. 19
Keys, locks ................................... 19
L
Lane change alert .......................212
Lane keep assist ................107, 223
Lashing eyes ............................... 79
LED headlights ...........109, 137, 245
Lighting features .........................142
Light switch ................................ 133
Load compartment ................28, 74
Load compartment cover .............77
Loading information .....................84
Low fuel ..................................... 109M
Malfunction indicator light ..........106
Manual anti-dazzle ......................38
Manual mode ............................. 170
Manual seat adjustment ...............47
Manual transmission .................. 173
Massage ....................................... 54
Memorised settings ......................24
Midlevel display .......................... 111
Mirror adjustment ........................... 8
Misted light covers .....................140
N New vehicle running-in ..............157
Number plate light .....................253
O Object detection systems ...........204
Odometer ................................... 101
Oil, engine .......................... 282, 286
OnStar ........................................ 128
Outside temperature ....................91
Overrun cut-off ........................... 161
P
Panoramic view system ..............214
Parking ................................ 18, 163
Parking assist ...................... 38, 204
Parking brake ............................ 175
Parking lights ............................. 140
Particulate filter ........................... 164