2007 MERCEDES-BENZ R320CDI fuel reserve

29 At a glance
Instrument cluster
ItemPage
8Multifunction display with:

Trip odometer157

Main odometer159
9Tachometer with:
426
1Supplemental
Restraint System
(SRS) indicator lamp72,
430
?Engine malfunction in-
dicator lamp,
USA only423
±Engine malfunction in-
dicator lamp,
Canada only423
ItemPage
AHigh beam headlamp
indicator150
qPreglow indicator
lamp1
aFuel gauge with:
Fuel tank reserve warning
lamp430
4Fuel filler flap indica-
tor: The fuel filler flap
is located on the rear
right-hand side360
1Vehicles with diesel engine only.
ItemPage
bMultifunction display with:

Outside temperature
display or digital speed-
ometer (depending on
selected setting in the
control system)159,
180

Transmission position
indicator201

Gear range indicator205

Selected program mode
indicator206

Distance warning function
indicator*284

Rear window wiper
indicator62

361 Operation
At the gas station
Open the fuel filler flap completely.
Turn the fuel cap to the counterclock-
wise 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 overfill.
Replace the fuel cap by turning it clock-
wise 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
nozzle, which could cause personal injury.
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± malfunc-
tion indicator lamp (Canada only) comes on.
For more information, see “Practical hints”
(
page 424).
iGasoline engine:
Only use premium unleaded gasoline with a min-
imum 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 see “Pre-
mium unleaded gasoline (gasoline engine)”
(
page 541), see “Fuel requirements”
(
page 542), and the Factory Approved Service
Products pamphlet.
iDiesel engine:
Only use commercially available 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.

430 Practical hints
What to do if …
ProblemPossible cause/consequenceSuggested 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 360).
1The red SRS indicator lamp comes
on while driving.There is a malfunction in the restraint systems.
The air bags or emergency tensioning device
(ETDs) could deploy unexpectedly or fail to
deploy unexpectedly in an accident.Drive with added caution to the
nearest authorized
Mercedes-Benz Light Truck
Center.
Warning!G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you contact an authorized
Mercedes-Benz Light Truck Center immedi-
ately 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 unexpect-
edly and unnecessarily which could result in
an accident and/or injury to you or to
others.

539 Technical data
Fuels, coolants, lubricants, etc.
ModelCapacityFuels, coolants, lubricants, etc.
Power steeringapprox. 1.3 US qt (1.2 l)MB Power Steering Fluid
Front wheel hubsapprox. 1.5 oz (43 g) eachHigh temperature roller bearing grease
Brake systemMB Brake Fluid (DOT 4+)
Cooling systemR320CDI
R350
R500
R63AMG10.0 US qt (9.5 l)
10.0 US qt (9.5 l)
11.1 US qt (10.5 l)
12.2 US qt (11.5 l)MB Anticorrosion/Antifreeze
Fuel Tank
including a reserve of
All, except R 63 AMG
R63AMG
21.1 US gal (80.0 l)
approx. 3.4 US gal (13.0 l)
approx. 4.0 US gal (15.0 l)Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg.of96RON/86MON)
Air conditioning systemR-134a refrigerant and special PAG lubricant
oil (never R-12)
Windshield washer and
headlamp cleaning*
system8.0 US qt (7.6 l)MB Windshield Washer Concentrate1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and commercially available
premixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 546).

554 Index
Fog lamp, Front see Corner-illuminating
front fog lamps*
Fog lamp, Rear 150
Messages in the multifunction
display 466
Replacing bulbs 484
4-ETS 106
Front air bags 77
Front defroster 224, 239
Front lamps see Headlamps
Front passenger front
air bag 77, 88, 93, 431
Front passenger front air bag off
indicator lamp 31, 77, 88, 93, 431
Front seat head restraints see
Head restraints
Front towing eye 518
FSS PLUS (Canada vehicles) 407
Fuel 360, 539, 541
Additives 542
Capacities, Fuel tank 539Consumption statistics 191
Filling the tank 360
Fuel filler flap and cap 360
Fuel gauge 29
Fuel reserve warning lamp 29, 430
Premium unleaded gasoline 360,
541, 542
Requirements, Octane rating 542
Fuel cap
Messages in the multifunction
display 460
Fuel filler flap 360
Locking/unlocking 360
Opening 360
Opening in an emergency 479
Fuels, coolants, lubricants etc. 538
Fuses 520
Fuse box, Cargo compartment 521
Fuse box, Engine compartment 521
Fuse box, Passenger
compartment 522
Fuse chart 472, 520
Fuse extractor 472, 520
Replacing 520
Spare fuses 472, 520G
Garage door opener* 337
Gasoline see Fuel
GAWR 401
Gear range
Automatic transmission 205
Limiting 205
Shifting into optimal 208
Gear selector lever 25, 54, 197
Gearshift pattern 54, 197
Message in the display 443
Messages in the multifunction
display 443
Position 200
Shifting procedure 200
Transmission position 201
Global locking/unlocking see
Key, SmartKey
Glove box 311
Good visibility 212

558 Index
Front fog lamps* 146
Front passenger front air bag off 78,
88, 92, 93, 431
Fuel reserve 29, 430
High beam headlamps 29
Instrument cluster 26, 420
Parktronic* 293, 294
Preglow indicator, Diesel engine 29
Rear fog lamp 146
Seat belt telltale 29, 79, 426
Seat heating* 142
SRS 29, 72, 82, 430
Turn signals 27
Lamps, indicator and warning
Distance warning lamp* 275
Instrument cluster 428
Seat ventilation* 143
Language, Setting 179
LATCH-type child seat anchors see
Children in the vehicle
Leather upholstery, Cleaning and
care of 418
License plate lamps 485
Messages in the multifunction
display 465
Replacing bulbs 485, 493Light alloy wheels, Cleaning 416
Light sensor
Messages in the multifunction
display 463
Lighter see Cigarette lighter*
Lighting
Parking lamps 146
Lighting, Exterior and interior 146
Limp-home mode 211, 423, 424
Loading see Vehicle loading
Loading terminology 401
Locator lighting 149, 184
Lock buttons, KEYLESS-GO*
Outside door handle 69
Loss of keys, Mechanical key 115
Loss of keys, SmartKey 115
Loss of keys, SmartKey with
KEYLESS-GO* 121
Loss of Service and Warranty Information
Booklet 525
Low beam headlamps
Messages in the multifunction
display 463–468
Replacing bulbs 487
switching on 59, 146
Lubricants 538M
Maintenance 12, 407
Calling up service indicator
display 409
Clearing service indicator
message 408
FSS PLUS (Canada vehicles) 407
Maintenance System (U.S.
vehicles) 407
Resetting service indicator 409
Service indicator message 407
Service term exceeded 408
Manual headlamp mode see Headlamps
Manual shift program
(R 63 AMG only) 209
Deactivating 211
Maximum cooling, MAX COOL* see
Automatic climate control (3-zone)*
Maximum inflation pressure, Tires 402
Maximum load rating, Tires 402
Maximum loaded vehicle weight,
Tires 402
Mechanical key 478
Memory function* 144
Menus see Control system menus
Messages in display see Multifunction