2006 MERCEDES-BENZ R500 open gas tank

342 OperationAt the gas stationRefueling
The fuel filler flap is located on the
right-hand side of the vehicle towards the
rear. Locking/unlocking the vehicle with
the remote control automatically
locks/unlocks the fuel filler flap.

Remove the SmartKey from the starter
switch.

Push on fuel filler flap at the position in-
dicated the arrow and open fuel filler
flap.

Turn the fuel cap to the left and hold on
to it until possible pressure is released.

Take off the fuel cap.

Only fill your tank until the filler nozzle
unit cuts out – do not top up or overfill.
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious inju-
ry. Whenever you are around gasoline, avoid
inhaling fumes and skin contact, extinguish
all smoking materials. Never allow sparks,
flame or smoking materials near gasoline!
!The fuel filler cap is tethered to the fuel
filler neck. Do not drop the cap. It could
damage the vehicle paint finish.!To prevent damaging the lens of the
plastic tail lamp, make certain that no
gasoline comes into contact with it.Warning!
G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump noz-
zle, which could cause personal injury.

343 Operation
At the gas station

Replace the fuel cap by turning it clock-
wise until it audibly engages.

Close the fuel filler flap.
Check regularly and before a long trip
Open the hood (
page 345).
1Coolant level
2Brake fluid
3Windshield washer system and
headlamp cleaning system*
Engine oil level
For more information on engine oil, see
“Engine oil” (
page 346).
iOnly use premium unleaded gasoline
with a minimum Posted Octane Rating
of 91 (average of 96 RON / 86 MON).
Information on gasoline quality can
normally be found on the fuel pump.
For more information on gasoline, see
the Factory Approved Service Products
pamphlet.
iLeaving the engine running and the fuel
cap open can cause the yellow fuel
tank reserve warning lamp to flash and
the? malfunction indicator lamp
(USA only) or the± malfunction in-
dicator lamp (Canada only) comes on.
For more information, see “Practical
hints” (
page 408).

543 Index
Fuel consumption statistics
After start 192
Since last reset 193
Fuel filler flap
Locking 342
Opening 461
Unlocking 342
Fuel requirements 524
Fuel tank
Filler flap 342
Fuels, coolants, lubricants etc. 521
Functions (control system) 165
Resetting 176
Fuses 503
Fuse box in cargo compartment 504
Fuse box in passenger
compartment 505
Main fuse box 504
G
Garage door opener* 320
Gasoline additives 525
Gasoline see Fuel
GAWR 386, 530Gear range 530
Automatic transmission 202
Limiting 202
Shifting into optimal 207
Gear range limit
Canceling 207
Gear selector lever
Message in the display 421
Position 200
Position (automatic
transmission) 199
Global
Locking 112
Unlocking 112
Global Positioning System (GPS) 531
Glove box 294
Closing 294
Opening 294
Good visibility 208
GPS 531
Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWRGross Vehicle Weight see GVW
GTW 386
GVW 386, 531
GVWR 386, 531
H
Hard plastic trim items, cleaning 402
Hazard warning flasher 153
Switching off 154
Switching on 154
Head restraints
Front seats 44
Rear seats 139
Headlamp cleaning system* 352
Headlamps
Automatic control 148
Bi-Xenon* 529
Cleaning lenses 399
Cleaning system* 208, 352
Refilling washer fluid 352
Replacing bulbs 466
Switching off 65
Switching on 58
Washer fluid 528
Washer system 528