Page 309 of 442

307 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
The yellow fuel tank reserve warning lamp in the
fuel gauge comes on while driving.
The fuel level has gone below the reserve
mark.
Refuel at the next gas station
(page 275).
<
The red seat belt telltale illuminates
for a brief period after starting the
engine.
The telltale reminds you to fasten seat
belts.
Fasten your seat belt.
The telltale goes out.
1
The red SRS indicator lamp comes on
while driving.
There is a malfunction in the restraint
systems. The air bags or emergency ten-
sioning device (ETDs) could deploy unex-
pectedly or fail to activate in an accident.
Drive with added caution to the
nearest authorized Mercedes-Benz
Center.
Warning!
G
In the event a malfunction of the SRS is
indicated as outlined above, the SRS may
not be operational. For your safety, we
strongly recommend that you visit an autho-
rized Mercedes-Benz Center immediately to
have the system checked; otherwise the
SRS may not be activated when needed in
an accident, which could result in serious or
fatal injury, or it might deploy unexpectedly
and unnecessarily which could result in an
accident and/or injury to you or to others.
Page 403 of 442

401 Technical terms
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision,
including the tachometer, speedo-
meter, engine temperature display and
fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the
vehicle and should not be used for
normal acceleration needs.
Lock button
Button on the door which indicates
whether the door is locked or
unlocked. Pushing the lock button
down on an individual door from inside
will lock that door.Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each SmartKey.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized
method. It is an indication of a
gasoline's ability to resist undesired
detonation (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.Multifunction display
Display field in the instrument cluster
used to present information provided
by the control system.
Multifunction steering wheel
Steering wheel with buttons for
operating the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this
engine speed range, as it may result in
serious 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.
Page 418 of 442

416 IndexFuel cap
Message in display 305, 322
Fuel consumption statistics
After start 149
Since last reset 149
Fuel filler flap 275
Locking 275
Opening in an emergency 339
Unlocking 275
Fuel gauge 25
Fuel requirements 391
For ethanol fuel 392
Fuel reserve
Warning lamp 25
Fuel tank
Capacity 388
Filler flap 275
Fuels, coolants, lubricants etc.
Capacities 387
Functions (control system) 122, 125
Resetting 133Fuse box
In engine compartment 370
In trunk 371
Fuse chart 369
Fuse extractor 369, 371
Fuses 369
Aids for changing fuses 369
Fuse box in engine compartment 370
Fuse box in trunk 371
Fuse chart 369
Fuse extractor 369, 371
Main fuse box in
passenger compartment 370
Spare fuses 369
G
Garage door opener* 256
Gasoline additives 392
Gasoline see Fuel
Gear range 400
Automatic transmission* 159
Limiting 159
Shifting into optimal 158Gear range limit
Canceling 158
Gear selector lever 47, 156
Cleaning 299
Lock 47
Position (Automatic
transmission*) 121, 160
Position (automatic
transmission*) 156
Gearshift lever 46, 155
Global
Locking 89
Unlocking 89
Global Positioning System see GPS
Glove box 241
Closing 241
Locking 241
Opening 241
Unlocking 241
Good visibility 168
GPS 400