353 Operation
At the gas station
Open the fuel filler flap completely.
Turn the fuel cap to the left and hold on
to it until possible pressure is released.
Take off the fuel cap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top up or over-
fill.
Replace the fuel cap by turning it
clockwise until it audibly engages.
Close the fuel filler flap.
You should hear the latch close shut.
!
The fuel filler cap is tethered to the fuel filler
neck. Do not drop the cap. It could damage the
vehicle paint finish.
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.
i
Leaving 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± malfunc-
tion indicator lamp (Canada only) comes on.
For more information, see “Practical hints”
(
page 417).
i
Gasoline engine: Only use premium unlead-
ed gasoline with a minimum Posted Octane Rat-
ing 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 “Premium
unleaded gasoline (gasoline engine)”
(
page 547), see “Fuel requirements”
(page 548), and the Factory Approved Service
Products pamphlet.
i
Diesel engine: Only use commercially avail-
able vehicular diesel fuels No. 2 or No. 1 (ASTM
D975 No. 2-D or No. 1-D). Information on diesel
quality can normally be found on the fuel pump.
The sulfur content in diesel fuel should not
exceed 50 parts per million (ppm). When using
diesel fuel with a sulfur content of above
300 ppm, the engine oil interval should be
shortened.
For more information on diesel fuels, refer to the
Factory Approved Service Products pamphlet or
contact an authorized Mercedes-Benz Light
Truck Center.
!
Diesel engine:
The engine is more susceptible to wear and
damage if you use
marine diesel fuel
heating oil
additives
The use of such non-approved fuels and/or
special additives is not covered by the
Mercedes-Benz Limited Warranty.
455 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
c
You are driving with one or more
doors open.
Stop the vehicle in a safe location or as
soon as it is safe to do so.
Close the door(s).
A
Gas cap is open
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 352).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Light Truck
Center.
a
You are driving with the hood or
the tailgate open.
Carefully bring the vehicle to a halt as
soon as it is safe to do so in a safe
location.
Close the hood (
page 356) or the
tailgate (
page 121).
You are trying to lock the vehicle
with the KEYLESS-GO* function
with a door or the tailgate open.
Close all doors and/or the tailgate
(page 121).
508 Practical hintsBattery!
The battery is a valve-regulated lead acid
(VRLA) battery, also referred to as “fleece” bat-
tery. Such batteries do not require topping-up of
the electrolyte level. VRLA batteries therefore do
not have cell caps and the battery cover is
non-removable. Do not attempt to open the bat-
tery as otherwise the battery will be damaged.
Even though VRLA batteries do not require top-
ping-up of the electrolyte level and cannot be
opened to check the electrolyte level, the bat-
tery condition must be checked periodically by
performing a battery conductance test. Refer to
Maintenance Booklet for battery condition test-
ing intervals.
As with any other battery, the battery may dis-
charge if the vehicle is not operated for an ex-
tended period of time. You can connect a battery
maintenance charge unit tested and approved
for use on your vehicle model or disconnect the
battery to prevent battery discharge. Contact an
authorized Mercedes-Benz Light Truck Center
for more information.
!
The factory-equipped VRLA battery is
leak-proofed. Only use a battery as replacement
that has the same security features and is of
identical size, voltage, and capacity as the
factory-equipped battery.
The battery, the battery ventilation hose
(
page 513) and the lateral plug (
page 513)
must always be securely installed when the
vehicle is in operation.
Warning!
G
Jump starting must only be done using the
jump-start contacts located in the engine
compartment (
page 515).
Warning!
G
Failure to follow these instructions can re-
sult in severe injury or death.
Observe all safety instructions and precau-
tions when handling automotive batteries
(page 507).
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking etc.
561 Index
Fuel cap
Messages in the multifunction
display 455
Fuel consumption statistics
After start 180
Since last reset 181
Fuel filler flap 352
Locking/unlocking 352
Opening 352
Opening in an emergency 477
Fuel tank
Capacity 545
Filler flap 352
Fuel, Premium unleaded gasoline 545
Fuels, coolants, lubricants etc. 543
Fuses 522
Fuse box in cargo compartment 523
Fuse box in engine compartment 523
Fuse box in passenger
compartment 524
Fuse chart 469, 522
Fuse extractor 469, 522
Replacing 522
Spare fuses 469, 522G
Garage door opener* 316
Gasoline see Fuel
GAWR 395
Gear range
Automatic transmission 193
Limiting 193
Shifting into optimal 195
Gear selector lever 25, 54, 185
Cleaning 411
Gearshift pattern 185
Messages in the
multifunction display 438
Position 188
Shifting procedure 188
Transmission position 189
Global locking/unlocking see Key,
SmartKey
Glove box 294
Good visibility 200
Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWRGross Vehicle Weight see GVW
GTW 395
GVW 395
GVWR 395
H
Halogen headlamp see Headlamps
Hands-free microphone 33
Hard plastic trim items, cleaning 411
Hazard warning flasher 142
Head restraints 44, 128
Active head restraint 80, 128
Front seats, Adjusting 44
Rear seats 81
Rear seats, Adjusting 129
Rear seats, Removing and
installing 129
Headlamp aim
Adjusting 492
Headlamp cleaning system* 200, 363
Headlamp shut-off delay see Delayed
shut-off, Exterior lamps
572 IndexT
Tachometer 29, 146
Overspeed range 146
Tail lamps 490
Cleaning lenses 408
Messages in the
multifunction display 462
Replacing bulbs 483, 491
Tailgate
Closing 121
Closing from the inside,
Electrically* 121
Closing from the outside
(vehicles without
KEYLESS-GO*) 123
Opening 119
Opening from the inside,
Electrically* 119
Opening from the outside 119
Unlocking and opening the tailgate in
an emergency 476
Unlocking and opening with
KEYLESS-GO*, Power
tailgate* 117
Unlocking and opening with SmartKey,
Power tailgate* 111Tar stains 405
Technical data 527
Air conditioning refrigerant 546
Brake fluid 544, 546
Capacities fuels, coolants, lubricants
etc. 543, 544
Coolant 549
Dimensions, Vehicle 541
Electrical system 540
Engine 534
Engine oil 546
Engine oil additives 546
Fuel requirements 548
Fuels, coolants, lubricants, etc. 543
Gasoline additives 547
Main dimensions 541
Premium unleaded gasoline 547
Rims 536
Tires 536
Weights 542
Windshield washer and headlamp
cleaning system* 545
Windshield washer and headlamp
cleaning* system 551Tele Aid* 308
Call priority 314
Emergency calls 310
Hands-free microphone 33
Information 313
Initiating an emergency call
manually 311
Messages in the
multifunction display 464
Remote door unlock 315
Roadside Assistance 312
SOS button 311
Stolen Vehicle Recovery
services 315
System self-check 309
Telephone cradle*
Changing 307