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Otherwise, you may damage the engine and
the exhaust gas aftertreatment.
Mercedes-Benz recommends MOBIL OIL.
The table shows which engines oil have been
approved for your vehicle.
ModelEngine
model
MB
Approval
R 350 BlueTEC642229.51R 350272229.5
iMB Approval is stated on the containers.
Lubricant additives
! Do not mix any lubricant additives with
the engine oil. This could damage the
engine. Damage resulting from the use of
such lubricant additives in the engine oil is
not covered by the Mercedes-Benz Limited
Warranty.
Engine oil viscosity
Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity,
this means that it is thick; a low viscosity
means that it is thin.
Select the SAE classification (viscosity) of the
engine oil according to the outside
temperature. The following table shows you
the viscosity classes to be used depending on
the average air temperature.
Refrigerant of the air-conditioning
system
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
! Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-conditioning system.
Brake fluid
GWarning!
The brake fluid constantly absorbs moisture
from the air; this lowers its boiling point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the brake system
when the brakes are applied hard (e.g. when
driving downhill). This would impair braking
efficiency.
You should have the brake fluid renewed at
regular intervals. The brake fluid change
intervals can be found in the Service Booklet.
Only use brake fluid approved by Mercedes-
Benz. Information about approved brake
fluids can be obtained from any authorized
Mercedes-Benz Center.
Coolant
Important safety notes
The coolant is a mixture of water and
anticorrosion/antifreeze. It performs the
following tasks:
Ranti-corrosion protection
Rantifreeze protection
Rraising the boiling point
The cooling system is filled with coolant at the
factory which contains antifreeze/corrosion
inhibitor that ensures protection down to
approximately -35 ‡ (-37 †).
! Only use premixed coolant solutions.
Adding water and MB 325.0 Anticorrosion/
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Antifreeze separately from each other,
could cause engine damage not covered by
the Mercedes-Benz Limited Warranty.
! Always use a suitable coolant mixture,
even in countries where high temperatures
prevail.
Otherwise, the cooling system will not be
sufficiently protected from corrosion, and
the boiling point will be too low.
If the coolant has antifreeze protection down
to -35 ‡ (-37 †), the boiling point of the
coolant in the pressurized system is
approximately 266 ‡ (130 †).
The coolant must be used throughout the year
in order to maintain the necessary corrosion
protection and provide protection from
overheating. In the Service Booklet, you can
find information on the intervals for renewal.
The renewal interval is determined by the
coolant type and the cooling system design.
The renewal interval in the Service Booklet is
only valid if the coolant is added or renewed
with Mercedes-Benz approved products.
Therefore, only use MB 325.0 Anticorrosion/
Antifreeze or another Mercedes-Benz
approved product of the same specification.
Information on other Mercedes-Benz
approved products of the same specification
can be obtained at any authorized Mercedes-
Benz Center or on the Internet at
http://www.mbusa.com (USA only).
The anticorrosion/antifreeze concentration
in the cooling system should:
R be at least 50%. This will protect the cooling
system against freezing down to around
-35 ‡ (-37 †).
R not exceed 55% (antifreeze protection
down to -49 ‡ [-45 †]); otherwise, heat will
not be dissipated as effectively.
If the coolant level is too low, a mixture of
water and MB 325.0 Anticorrosion/
Antifreeze should be added. Have the cooling
system checked for leaks. Please make sure
the mixture is in accordance with label
instructions.The water in the cooling system must meet
minimum requirements, which are usually
satisfied by normal drinking water.
If you are unsure about the water quality,
contact an authorized Mercedes-Benz
Center.356Service products and capacitiesTechnical data
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Anticorrosion/antifreeze
Your vehicle has a number of aluminum components. The use of aluminum components in
motor vehicle engines necessitates that anticorrosion/antifreeze coolant used in such
engines be specifically formulated to protect the aluminum parts. Failure to use such
anticorrosion/antifreeze coolant will result in a significantly shortened service life.
For this reason, the following product is expressly recommended for use in your vehicle:
MB 325.0 Anticorrosion/Antifreeze.
The coolant concentration should be checked before the onset of winter or once a year in
warmer regions.
The coolant is checked at every service at an authorized Mercedes-Benz Center.
ModelAntifreeze protection to approximately-35 ‡ (-37 †)-49 ‡ (-45 †)Cooling systemAll models5.0 US qt (4.75 l)5.5 US qt (5.2 l)Windshield and headlamp cleaning
system GWarning
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
XUse MB Windshield Washer Concentrate
MB SummerFit.XAt temperatures above freezing: add 1
part MB SummerFit to 100 parts water, e.g.
1.34 fl oz (40 ml) MB SummerFit to 1 gal
(4.0 l) of water.XAt temperatures below freezing: add 1
part MB SummerFit to 100 parts washer
fluid, e.g. 1.34 fl oz (40 ml) MB SummerFit
to 1 gal (4.0 l) of water.Vehicle data
Vehicle data, R 350 BlueTEC
(251.125)
The data quoted here refers specifically to a
vehicle with standard equipment. Contact an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
Vehicle dimensions, R 350 BlueTECVehicle length203.3 in (5163 mm)Vehicle width
including exterior
mirrors85.9 in (2182 mm)Vehicle height65.6 in (1666 mm) 52Wheelbase126.6 in (3215 mm)Front track64.5 in (1638 mm)Rear track64.4 in (1636 mm)Ground clearance5.9 in (150 mm)52Turning circle41.3 ft (12.6 m)52
The values apply to an unladen vehicle with standard equipment. On vehicles with the AIRMATIC package,
the values vary depending on the level set for the vehicle suspension.Vehicle data357Technical dataBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 357Z
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