2010 MERCEDES-BENZ R350 fuel

bring road-salt-impaired braking efficiency
back to normal.
If the vehicle is parked after being driven on
salt-treated roads, the braking efficiency
should be tested as soon as possible after
driving is resumed.
G
Warning!
Make sure not to endanger any other road
users when carrying out these braking
maneuvers. Driving instructions
Drive sensibly – save fuel
To save fuel you should:
R Keep tires at the recommended inflation
pressures.
R Remove unnecessary loads.
R Remove carriers when not in use.
R Allow engine to warm up under low load
use.
R Avoid frequent acceleration and
deceleration.
R Have all maintenance work performed at
the intervals specified in the Maintenance
Booklet and as required by the
Maintenance system. Contact an
authorized Mercedes-Benz Center.
Fuel
consumption is also increased by driving
in cold weather, in stop-and-go traffic, on
short trips and in mountainous areas. Drinking and driving
G
Warning!
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and
judgment. The possibility of a serious or even fatal
accident

are greatly increased when you drink
or take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or
taking drugs. Pedals
G
Warning!
Make sure absolutely no objects are
obstructing the pedals’ range of movement.
Keep the driver’s footwell clear of all
obstacles. If there are any floormats or
carpets in the footwell, make sure that the
pedals still have sufficient clearance.
During sudden driving or braking maneuvers,
the objects could get caught between the
pedals. You could then no longer brake or
accelerate. This could lead to accidents and
injury. Power assistance
G
Warning!
There is no power assistance for the steering
and
the brake when the engine is not running.
Steering and braking requires significantly
more effort and you could lose control of the
vehicle and cause an accident as a result.
Do not turn off the engine while the vehicle is
in motion. Brakes
Downhill grades !
When driving down long and steep
grades, relieve the load on the brakes by
shifting into a lower gear to use the
engine’s

braking power. This helps prevent
overheating of the brakes and reduces
wear. Driving instructions
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attack the paintwork as well as the vehicle
underbody and cause lasting damage.
Such damage is caused not only by extreme
and varying climatic conditions, but also by:
R
Air pollution
R Road salt
R Tar
R Gravel and stone chipping
To avoid paint damage, you should
immediately remove:
R Grease and oil
R Fuel
R Coolant
R Brake fluid
R Bird droppings
R Insects
R Tree resins etc.
Frequent
washing reduces and/or eliminates
the aggressiveness and potency of the above
adverse influences.
More frequent washings are necessary to
deal with unfavorable conditions:
R near the ocean
R in industrial areas (smoke, exhaust
emissions)
R during winter operation
You should check your vehicle from time to
time for stone chipping or other damage. Any
damage should be repaired as soon as
possible to prevent corrosion.
In doing so, do not neglect the underbody of
the vehicle. A prerequisite for a thorough
check is a washing of the underbody followed
by a thorough inspection. Damaged areas
need to be re-undercoated.
Your vehicle has been treated at the factory
with a wax-base rustproofing in the body
cavities which will last for the lifetime of the
vehicle. Post-production treatment is neither
necessary nor recommended by Mercedes-
Benz because of the possibility of incompatibility between materials used in the
production process and others applied later.
We have selected vehicle-care products and
compiled recommendations which are
specially matched to our vehicles and which
always
reflect the latest technology. You can
obtain Mercedes-Benz approved vehicle-care
products at an authorized Mercedes-Benz
Center.
Scratches, corrosive deposits, corrosion or
damage due to negligent or incorrect care
cannot always be removed or repaired with
the vehicle-care products recommended
here. In such cases it is best to seek aid at an
authorized Mercedes-Benz Center.
The following topics deal with the cleaning
and care of your vehicle and give important
“how-to” information as well as references to
Mercedes-Benz approved vehicle-care
products.
Power washer !
Follow the instructions provided by the
power washer manufacturer on
maintaining

a distance between the vehicle
and the nozzle of the power washer.
Never use a round nozzle to power-wash
tires. The intense jet of water can result in
damage to the tire.
Always replace a damaged tire.
Always keep the jet of water moving across
the surface. Do not aim directly at electrical
parts, electrical connectors, seals, or other
rubber parts.
i Vehicles with KEYLESS-GO:
If a door handle is hit by a strong jet of
water, and a SmartKey is within
approximately 3 ft (1 m) of the vehicle, it
could be inadvertently locked or unlocked.
Tar stains Quickly remove tar stains before they dry and
become more difficult to remove. A tar
remover is recommended. Vehicle care
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Vehicle equipment ............................
270
Where will I find ...? .......................... 270
Vehicle status messages in the
multifunction display ....................... 274
What to do if … .................................. 299
Unlocking/locking manually ...........308
Resetting activated NECK-PRO
active front head restraints .............310
Replacing SmartKey batteries ......... 310
Replacing bulbs ................................. 312
Replacing wiper blades ....................317
Flat tire .............................................. 319
Bleeding the fuel system (diesel
engine only) ....................................... 331
AdBlue ®
(diesel engine only) ...........331
Battery ............................................... 333
Jump starting .................................... 336
Towing the vehicle ............................338
Fuses .................................................. 340 269Practical hints
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Display messages
Possible causes/consequences and
X SolutionsCheck
Tire(s) The tire inflation pressure in at least one tire is significantly
below the reference value.
The respective tire is indicated in the multifunction display.
X
Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers.
X Check and adjust tire inflation pressure as required.
X If necessary, change the wheel (Y page 319). G
Warning!
Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may
lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up
and possibly a fire. G
Warning!
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect
handling and fuel economy, and are more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear
unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are
more likely to become punctured or damaged by road debris, potholes etc. Symbol messages
Brake Display messages
Possible causes/consequences and
X Solutions# Brake Wear The brake pads have reached their wear limit.
X
Have the brake pads replaced as soon as possible. !
Brake pad thickness must be visually inspected by a qualified technician at the intervals
specified in the Maintenance Booklet. Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X Solutions# Battery/
Alternator
Stop
Vehicle The battery is defective.
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the parking brake.
X Do not continue to drive.
X Contact an authorized Mercedes-Benz Center. 4 Check
engine
oil level
at next
refueling. The engine oil level is too low.
X
Check the engine oil level ( Y page 224) and add engine oil
as required ( Y page 225).
X If you must add engine oil frequently, have the engine
checked for possible leaks. If the message Check engine oil level
at next refueling. appears while the
engine is running and at operating
temperature,

the engine oil level has dropped
to approximately the minimum level.
The message will be stored in the vehicle
status message memory after you have
cleared it from the multifunction display.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest service
station to refill your engine oil to the required
level. For information on approved engine oils
contact
an authorized Mercedes-Benz Center
or visit www.mbusa.com (USA only).
! Engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty. Display messages
Possible causes/consequences and
X SolutionsC The fuel level is low.
X
Refuel at the next gas station. 8 Reserve
Fuel The fuel level has dropped below the reserve mark.
X
Refuel at the next gas station. 8 Ultra Low-
sulfur
Diesel
Fuel Only Vehicles with diesel engine only:
The fuel level has dropped below the reserve mark.
X
Refuel at the next gas station.
X Only use commercially available vehicular ULTRA-LOW
SULFUR DIESEL FUEL (15 ppm SULFUR MAXIMUM). Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X Solutions8 Gas Cap
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.
X
Check the fuel cap ( Y page 221).
X If it is not closed properly: Close the fuel cap.
X If it is closed properly: Have the fuel system checked at
an authorized Mercedes-Benz Center. ¸ Replace
air filter The air filter is clogged.
X
Have the air filter checked at an authorized Mercedes-Benz
Center. · Clean
Fuel
Filter There is water in the fuel filter.
X
Have the water drained at an authorized Mercedes-Benz
Center as soon as possible. Ø Check
Additive
See
Operator's
Manual
The AdBlue
®
supply is almost depleted.
X Have the AdBlue ®
tank refilled as soon as possible
(Y page 331).
Contact an authorized Mercedes-Benz Center. Ø Remaining
Starts: 20
The AdBlue
®
supply has dropped to the minimum level.
X Have the AdBlue ®
tank refilled immediately (Y page 331).
Contact an authorized Mercedes-Benz Center. i
When the message Remaining
Starts: 20 appears in the multifunction
display, you can start the engine 20 more
times. If you do not add AdBlue ®
, the
engine cannot be started beyond that
point. Therefore, fill the AdBlue ®
tank with approximately 1 gal (3.79 l) AdBlue
®
(corresponds to approximately 2 refill
containers AdBlue ®
) or have the AdBlue ®
tank

filled at an authorized Mercedes-Benz
Center. After AdBlue ®
was refilled, the
engine can be started again. 294
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X Solutionsh Tire
Pressure
Check
Tires The tire inflation pressure in at least one tire is significantly
below the reference value.
X
Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers.
X Check and adjust tire inflation pressure as required.
X If necessary, change the wheel (Y page 319). G
Warning!
Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may
lose control of the vehicle. Continued driving with a flat tire will cause excessive heat build-up
and possibly a fire. G
Warning!
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect
handling and fuel economy, and are more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear
unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are
more likely to become punctured or damaged by road debris, potholes etc. What to do if …
Lamps in instrument cluster
Notes If any of the following lamps in the instrument
cluster fails to come on during the bulb self-
check when switching on the ignition, have
the respective bulb checked and replaced if
necessary.
When you switch on the ignition, all lamps
(except low-beam headlamp indicator lamp,
high-beam

headlamp indicator lamp, and turn
signal indicator lamps unless activated) in the
instrument cluster come on. If a lamp in the
instrument cluster fails to come on when the
ignition is switched on, have it checked and
replaced if necessary. What to do if …
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Vehicle
Problem
Possible causes/consequences and
X SolutionsThe yellow fuel tank
reserve
warning lamp in
the fuel gauge comes
on while driving. The fuel level has gone below the reserve mark.
X
Refuel at the next gas station. Engine
Problem
Possible causes/consequences and
X Solutions! (USA only)
; (Canada only)
The yellow engine
malfunction indicator
lamp comes on when
the engine is running. There may be a malfunction in
R
the fuel management system
R the ignition system
R the emission control system
R systems which affect emissions
Such malfunctions may result in excessive emissions values and
may

switch the engine to limp-home (emergency operation) mode.
X Have the vehicle checked as soon as possible at an authorized
Mercedes-Benz Center.
i Some states may by law require you to visit a workshop as
soon

as the engine malfunction indicator lamp comes on. Check
local requirements. ! (USA only)
; (Canada only)
The yellow engine
malfunction indicator
lamp comes on when
the engine is running. 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.
X
Check the fuel cap ( Y page 220).
X If it is not closed properly: Close the fuel cap.
X If it is closed properly: Have the fuel system checked by an
authorized Mercedes-Benz Center. Diesel engine: Your fuel tank was driven empty.
X
After refueling, start, turn off and restart the engine three or four
times in succession.
The

limp-home mode is canceled. You do not need to have your
vehicle checked. What to do if …
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