Trailer towing
................................. 146
Transmission oil change ................328
Automatic transmission emer-
gency mode ....................................... 147
Auxiliary heating Activating/deactivating heater
booster mode ................................ 130
Conditions for switching on ...........123
Heating time .................................. 123
Important safety notes ..................122
Operating with the button (control
panel) ............................................ 124
Operation with the remote
control ........................................... 125
Operation with the timer ................127
Problem (malfunction) ...................132
Selecting a switch-on time ............. 124
Setting the switch-on time .............125
see Auxiliary heating
AUX port ............................................ .240
Axle load, permissible (trailer tow-
ing) ...................................................... 333 B
Backup lamps Replacing bulbs ............................. 103
Backup lamps (Chassis Cab)
Replacing bulbs ............................. 104
BAS (Brake Assist System)
Display message ............................ 207
Function/notes ................................ 57
Indicator lamp ................................ 221
Basic settings
see Settings
Battery
Isolating switch .............................. 136
Replacing (SmartKey) ......................69
Battery (SmartKey)
Checking .......................................... 68
Important safety notes ....................68
Replacing ......................................... 69
Battery (vehicle)
Care ............................................... 266
Charge indicator lamp ...................225
Charging ........................................ 266
Disconnecting and connecting
(driver's footwell) ........................... 262Disconnecting and connecting
(engine compartment)
...................264
Disconnecting and reconnecting
(base of driver's seat) ....................265
Display message ............................ 219
Important safety notes ..................260
Installing/removing (base of driv-
er's seat) ........................................ 266
Installing/removing (driver's foot-
well) ............................................... 263
Installing/removing (engine com-
partment) ....................................... 265
Jump starting ................................. 278
Location ......................................... 261
Removing/installing the floor cov-
ering (driver's footwell) ..................261
Before driving off
Important safety notes ..................138
Belt
see Seat belts
Bleeding the fuel system ..................143
Blind Spot Assist Activating/deactivating .................166
Notes/function .............................. 164
Trailer towing ................................. 166
Bodies
Body/equipment mounting direc-
tives for trucks ................................. 28
Bottle holder ...................................... 237
see Cup holder
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Checking the level .........................256
Display message ............................ 208
Notes ............................................. 328
Warning lamp ................................. 222
Brake force distribution, elec-
tronic
see EBD (electronic brake force
distribution)
Brake lamps
Replacing bulbs ............................. 103
Brake lamps (Chassis Cab)
Replacing bulbs ............................. 104
Brake linings
Display message ............................ 207
Indicator lamp ................................ 225 Index
5
Problems with the key/remote control
Problem Possible causes/consequences and
0050
0050Solutions It is no longer possible
to lock the vehicle
using the remote
control.
The turn signals do not
flash when the vehicle
is locked. The doors are not closed properly.
X
Close the doors properly and lock the vehicle again. The central locking system has malfunctioned.
X
Lock the vehicle using the folding key (Y page 66).
X Have the central locking system checked as soon as possible
at a qualified specialist workshop. It is no longer possible
to lock or unlock the
vehicle using the
remote control. The key battery is weak or discharged.
X
Point the remote control at the driver's door handle from very
close range and press the 0036or0037 button.
If this does not work:
X Replace the key battery (Y page 69).
Or
X Lock the vehicle using the folding key (Y page 66). The remote control is faulty.
X
Lock the vehicle using the folding key (Y page 66).
X Have the key checked at a qualified specialist workshop. The key cannot be
turned in the ignition
lock. The steering lock has jammed mechanically.
X
Remove the key and insert it again into the ignition lock. Turn
the steering wheel from side to side while doing so. The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off all non-essential consumers, such as interior lighting,
and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 266).
Or
X Jump-start the vehicle (Y page 278).
Or
X Consult a qualified specialist workshop. You have lost a key. X
Have the key deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the mechanical locks replaced. 70
KeyOpening and closing
When the red indicator lamp in the
0084
button flashes, the receiver in the vehicle
is ready for synchronizing.
X Press and hold the 00D0remote control
button until indicator lamp 0043lights up red.
If there is an active connection between the
remote control and the receiver, indicator
lamp 0043flashes alternately red and green.
The remote control is in synchronizing
mode.
i If you press the 00D0button again on the
remote control after starting synchroniza-
tion, you will only synchronize this remote
control unit with the receiver. Any other
remote control units that were synchron-
ized will be cleared. Indicator lamp 0043
flashes alternately red and green (very
slowly).
X Press the 0070button on the remote
control.
During data transmission, indicator
lamp 0043lights up red.
When remote control indicator lamp 0043
emits two long green flashes, the selected
operating time is synchronized. The indica-
tor lamp in the 0084auxiliary heating but-
ton goes out. Operation with the timer
Important safety notes This is only for vehicles with a hot-water aux-
iliary heater.
G
DANGER
If a switch-on time has been selected, the
auxiliary heating switches on automatically.
R If the ventilation is insufficient, poisonous
exhaust gases can collect, in particular car-
bon monoxide. This is the case in enclosed spaces, for example. There is a risk of fatal
injuries.
R If highly flammable substances or flamma-
ble materials are nearby, there is a risk of
a risk of fire and explosion.
Always deactivate the preselected switch-on
times if you stop the vehicle in such or similar
situations.
Use the timer to:
R activate/deactivate immediate heating
mode
R set up to three switch-on times
R set the operating duration from 10to
120 minutes or to continuous operation
R set the heating level (preselected temper-
ature) to a range between 10 and 30
Timer overview Timer above the overhead control panel
0043
Program column
0059 Sets preselection memory 1 – 3
(Y page 129)
Sets weekday (Mon. – Sun.)
(Y page 128)
0044 Menu bar
0084 Activates/deactivates immediate
heating mode (Y page 128)
0045 Sets the program times
(Y page 129)
0045 Sets the day, time and the operating
duration (Y page 128)
00D1 Sets the heating level
(Y page 130) Operating the auxiliary heating system
127Climate control Z
If the
0084 symbol in the status bar is shown:
X Press the 00CFor00DB button until the
off
off message in the display panel is shown.
X Press the 0070button.
The preselection time is deactivated. The
time is shown.
Setting the heating level You can set the heating level to a range
between 10 and 30.
The heating level corresponds to a preselec-
tion temperature for the vehicle interior. This
is a guide value and may, depending on the
outside temperature, differ from the actual
vehicle interior temperature.
X Press the 00CFor00DB button until the
00D1 symbol in the menu bar flashes.
X Press the 0070button.
The heating level display flashes.
X Using the 00CFand00DB buttons, set the
desired heating level to a range between 10
and 30.
X Press the 0070button.
The heating level is set and the 0084sym-
bol appears. Switching the heater booster function
on/off Vehicles with auxiliary heating Vehicles with heater booster function
At outside temperatures of up to 39 ‡
(4†)
the fuel-fired heater booster system heats the
vehicle interior as quickly as possible when
the engine is running.
The auxiliary heating automatically switches
to heater booster mode after the engine is
started.
At an outside temperature above 39 ‡ (4†)
the auxiliary heating system and the heater
booster function switch off automatically.
If you switch off the engine without switching
off the heater booster function, the system
will be switched on the next time the engine
is started (memory function).
i Switch the auxiliary heating on or off with
the 0084 button (Y page 124).
X To switch on/off: press the006Aswitch.
If the indicator lamp in the button lights up,
the heater booster function is switched on.
After switching off, the auxiliary heating oper-
ates for about another 2 minutes and then
switches off automatically. Replacing the remote control battery
G
WARNING
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately. 130
Operating the auxiliary heating systemClimate control
Problems with the auxiliary heating
Problem Possible causes/consequences and
0050
0050Solutions The indicator lamp on
the remote control
flashes red rapidly. The remote control battery is discharged. Data transmission is not
possible.
X
Replace the remote control battery (Y page 130).The indicator lamp on
the remote control
flashes red and green in
rapid succession. There is no connection between the remote control and the
receiver in the vehicle.
X
Change your position in relation to the vehicle, e.g. hold the
remote control higher or to the side.
X Move closer.
If you cannot establish a connection and the auxiliary heating is
switched on, it can then only be deactivated using the 0084button
(Y page 124). The indicator lamp on
the remote control
flashes red and green in
rapid succession. Several remote controls are being used at the same time.
X
Switch on the remote control again after a short while
(Y page 126). The indicator lamp on
the remote control
flashes red and green in
rapid succession. The remote control is not synchronized.
X
Synchronize the remote control (Y page 126).The indicator lamp on
the remote control
slowly flashes red and
green alternately. The remote control is being synchronized.
X
Wait until the remote control synchronization process is com-
plete (Y page 126). The remote control for
the auxiliary heating
cannot be switched on. The remote control battery is discharged.
X
Replace the remote control battery (Y page 130).The auxiliary heating
does not switch on. The outside temperature is above 39
‡(4 †). The auxiliary heating
switches off automatically. The auxiliary heating
switches off automati-
cally and/or cannot be
switched on. The fuel tank is less than
00C4full. The auxiliary heating switches off
automatically.
X Refuel at the nearest gas station.
X Then, start the auxiliary heating several times until the fuel lines
are full. 132
Operating the auxiliary heating systemClimate control