Page 327 of 409
326 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
Ï
Differential
overheated
The differential oil is too hot.
Stop your vehicle immediately in a safe location.
Do not drive any further.
Wait until the instrument cluster display has cleared.
Otherwise you could damage the rear differential.
!The differential warning should not be
ignored. Extended driving with the sym-
bol displayed could result in serious
rea r di ff e renti al da ma ge that i s not c ov-
ered by the Mercedes-Benz Limited
Warranty.
Page 389 of 409

388 Technical termsOverspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axlesProduction options weight
(
page 282)
Program mode selector switch
Used to switch the automatic transmis-
sion between sport operation (S), com-
fort operation (C) and manual
operation (MAN).
PSI
(Pounds per s
quare i
nch)
(
page 283)
Recommended tire inflation pressure
(page 283)
REST
(Residual Engine Heat Utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Rim
(page 283)RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the MON (Motor Octane Number) and
RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Electrohydraulic brake system
Electronically controlled hydraulic
braking system for increased braking
safety and comfort.
Shift lock
When the vehicle is parked, this lock
prevents the gear selector lever from
being inadvertently moved out of posi-
tion P without SmartKey turned and
brake pedal depressed.
Page 395 of 409

394 IndexControl system menus 120
AUDIO menu 123
Settings 126
Standard display menu 122
TEL 139
Trip computer 137
Vehicle status message memory 124
Control system submenus 121, 127
Instrument cluster 129
Lighting 132
Time 131
Vehicle 136
Controller Area Network see CAN
Coolant 242, 250, 381
Anticorrosion/antifreeze mixing ratio
and quantity 382
Capacities 377
Checking coolant level 242, 250
Messages in the multifunction
display 323
Temperature 240
Temperature gauge 114
Warning lamp 29, 302
Courtesy lighting 112Cruise control 27, 197, 386
Messages in the multifunction
display 309
Curb weight 281
Customer Assistance Center see CAC
D
Daytime running lamp mode 107
Setting 132
Deep water see Standing water
Defogging windshield 188
Defrosting, Front 188
Defrosting, Rear 181
Delayed switch-off
Exterior lamps 134
Interior lighting 135
Department of Transportation see DOT
Differential
Message in the multifunction
display 326
Difficulties
While driving 56
With starting 50
Digital clock see Clock
Digital speedometer 123
Dimensions, Vehicle 375
Direction of rotation, Tires 257Display elements, Audio system 144
Displays
Digital speedometer 123
Maintenance service indicator 289
Multifunction display 117
Outside temperature 115, 129
Showing vehicle status
messages 125
Symbol messages 315
Text messages 309
Vehicle status messages 124, 307
Distance to empty (Range) 139
Door
Control panel 34
Entry lamps 111
Handle, Inside 34
Handle, Outside 38
Locking/unlocking, SmartKey 38, 96
Message in the multifunction
display 327
Opening from inside/outside 38,
100
Remote door unlock, Tele Aid 215
Unlocking in an emergency 345
DOT 282
Drinking and driving 231
Page 401 of 409

400 IndexMultifunction display messages
ABS 309
ACL malfunction 312
Airbrake 315
Battery, Vehicle 315
Brake pads 318
Coolant 323
Cruise control 310
Differential 326
Display 327
Doors 327
Electrohydraulic brake system 319
Engine 328
Engine oil 328
ESP
®
310
Fuel system 329
Hood 329
Lamps 330
Parking brake 322
Reserve fuel 329
Seat belt 334
Service brake 322
SmartKey 329
Telephone 329
Tires 335
Trunk lid 341Washer fluid 341
Multifunction steering wheel 30, 118,
387
Button operation 118
Gearshift control, Automatic
transmission 174
N
Net, parcel 201
New vehicle break-in 230
Night security illumination 108, 134
Normal occupant weight 282
Number, Vehicle Identification
(VIN) 368, 389
O
Occupant distribution 282
Occupant safety
Airbags 63
BabySmart
TM airbag deactivation
system 75
Children and airbags 64
Children in the vehicle 72
Fastening the seat belts 46
Infant and child restraint systems 73
Seat belts 69
Octane number 388Odometer
Main 117
Trip 115
Oil level see Engine oil, Checking level
Oil see Engine oil
One-touch gearshifting, Automatic
transmission 168
Operating safety
Audio system 143
Vehicle 20
Operator’s manual 342
Outside temperature see Displays
Overdue maintenance service 290
Overhead control panel 33
Overspeed range, Engine 115, 388
P
Panic alarm 78
Parcel net in trunk 201
Parking 57, 234
Parking brake 32
Engaging 57
Message in the multifunction
display 322
Releasing 50