Driving and operating139Driving and
operatingDriving hints ............................... 140
Control of the vehicle ...............140
Steering ................................... 140
Starting and operating ...............140
New vehicle running-in ............140
Ignition switch positions ...........141
Retained power off ..................141
Starting the engine ..................141
Overrun cut-off ........................ 142
Stop-start system ....................142
Parking .................................... 144
Engine exhaust .......................... 145
Diesel particle filter ..................146
Catalytic converter ...................147
Automatic transmission ..............147
Transmission display ...............147
Selector lever .......................... 148
Manual mode ........................... 149
Electronic driving programmes 149
Fault ........................................ 150
Interruption of power supply ....150
Manual transmission ..................151Brakes........................................ 152
Antilock brake system .............152
Parking brake .......................... 153
Brake assist ............................. 154
Hill start assist ......................... 154
Ride control systems .................155
Traction Control system ..........155
Electronic Stability Control ......155
Interactive driving system ........157
Driver assistance systems .........159
Cruise control .......................... 159
Speed limiter ........................... 161
Adaptive cruise control ............162
Forward collision alert .............169
Following distance indication ...172
Active Emergency Braking ......173
Parking assist .......................... 175
Side blind spot alert .................182
Traffic sign assistant ................183
Lane departure warning ..........187
Fuel ............................................ 188
Fuel for petrol engines .............188
Fuel for diesel engines ............189
Fuel for liquid gas operation ....190
Refuelling ................................ 190
Fuel consumption - CO 2-
Emissions ............................... 193
Trailer hitch ................................ 194
General information .................194Driving characteristics and
towing tips .............................. 194
Trailer towing ........................... 195
Towing equipment ...................195
Trailer stability assist ...............198
Driving and operating147Cleaning process not possibleIf cleaning is not possible for any
reason, control indicator g
illuminates additionally. Engine
power may be reduced. Seek the
assistance of a workshop
immediately.
Catalytic converter
The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.Caution
Fuel grades other than those listed on pages 3 188, 3 262 could
damage the catalytic converter or
electronic components.
Unburnt petrol will overheat and
damage the catalytic converter.
Therefore avoid excessive use of the starter, running the fuel tank
dry and starting the engine by
pushing or towing.
In the event of misfiring, uneven
engine running, a reduction in engine performance or other unusual
problems, have the cause of the fault
rectified by a workshop as soon as
possible. In an emergency, driving
can be continued for a short period,
keeping vehicle speed and engine
speed low.Automatic transmission
The automatic transmission permits
automatic gearshifting (automatic
mode) or manual gearshifting
(manual mode).
Manual shifting is possible in manual mode by tapping the selector lever
3 149.
Transmission display
The mode or selected gear is shown
in the transmission display.
