Page 295 of 417

294 Practical hints
What to do if …
ProblemPossible causeSuggested solution
?(USA only)
± (Canada only)
The yellow engine mal-
function indicator lamp
comes on while driving.
There is a malfunction of:
The fuel management system
The ignition system
The emission control system
Systems which impact emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home mode. Serious damage can
occur to the emission system.
Have the vehicle checked as soon as possi-
ble by an authorized Mercedes-Benz Light
Truck Center.
An on-board diagnostic connector is used
by the service station to link the vehicle to
the shop diagnostics system. It allows the
accurate identification of system malfunc-
tions through the readout of diagnostic trou-
ble codes. It is located near the hood lock
release on the upper left of footwell.
A loss of pressure has been detected in the
fuel system. The fuel cap may not be closed
properly or the fuel system may be leaky.Check the fuel cap (page 239).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an autho-
rized Mercedes-Benz Light Truck Center.
Your fuel tank is empty.After refueling start, turn off and restart the
engine three or four times in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
Page 300 of 417
299 Practical hints
What to do if …
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may ap-
pear in the multifunction display.
For your convenience the messages are
divided into two sections:
Text messages (page 300)
Symbol messages (page 304)
Warning!G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative. Systems that have a sig-
nificant influence on handling performance
may not be functioning.
Contact your nearest authorized
Mercedes-Benz Light Truck Center.
i
Switching on ignition (page 35),
causes all instrument cluster lamps
(except high beam headlamp indicator
lamp and turn signal indicator lamps
unless activated) as well as the multi-
function display to come on. Make sure
the lamps and multifunction display are
all in working order before starting your
journey.
Page 399 of 417

398 Index
High beam flasher 52, 114
High beam headlamps
Messages in display 315
Replacing bulbs 336, 338
Switching on 114
High mounted brake lamp 336
Hood 242
Closing 243
Messages in display 313
Opening 242
Hydroplaning 224
I
Identification labels 368
Certification label 368
Vehicle identification number
(VIN) 368
Ignition
Switching on 49
Ignition (Position in starter switch) 35
Immobilizer 88
Activating 88
Deactivating 88
Infant and child restraint systems 72
Installing 76
LATCH child seat anchors 77Information
Button for Tele Aid 207
Inside rear view mirror
Auto-dimming 163
Installing
Cargo compartment cover 187
Infant and child restraint systems 76
Wiper blades 347
Instructions
Loading 192
Instrument cluster 24, 120, 385
Cleaning 287
Coolant temperature display 120
Illumination 120
Lamps in 296
Multifunction display 123
Outside temperature indicator 122
Selecting language 137
Instrument lighting 120
Instruments and controls see Cockpit
Interior lighting 116
Delayed shut-off 141
Manual operation 117
Interior rear view mirror
Adjusting 41
Intermittent wiping 54Interval wiping 55
Switching off 55
Switching on 55
J
Jack 324
Jump starting 356
K
Key, mechanical 327
Key, SmartKey
Battery check lamp 94
Checking the batteries 95
Factory setting 94
Global locking 94
Global unlocking 94
Loss of 96
Positions in starter switch 35
Remote controls 92
Restoring to factory setting 95
Selective setting 94
Starting the engine 49
Unlocking with 34
Key-dependency memory
Settings 144
Keys 92
Kickdown 385