ant system and reduce the engine's service
life.
Coolant is a mixture of water and antifreeze/
corrosion inhibitor. It performs the following
tasks:
R
corrosion protection
R
antifreeze protection
R
raises the boiling point
When the vehicle is first delivered, it is filled with
a coolant mixture that ensures adequate anti-
freeze and corrosion protection. Coolant must
be used in the system all year round to ensure
anti-corrosion protection and a raised boiling
point – even in countries with high outside tem-
peratures.
To prevent damage to the engine cooling sys-
tem, use only approved corrosion inhibitor/anti-
freeze that comply with the Mercedes-Benz
Specifications for Service Products.
We recommend corrosion inhibitor/antifreeze
that meets the requirements in MB Specifica-
tions for Service Products Sheet Number 325.
Check the antifreeze/corrosion inhibitor con-
centration in the coolant every six months.
The percentage of corrosion inhibitor/anti-
freeze additive in the engine cooling system
should:
R
be at least 50%. This way, the engine cooling
system is protected against freezing down to
approximately -35 ‡ (-37 †).
R
not exceed 55% (antifreeze protection down
to -49 ‡[-45 †]). Otherwise, heat will not be
dissipated as effectively.
If ther
e h
as been coolant loss, do not refill only
with water. If the vehicle has lost coolant, add
equal parts water and corrosion inhibitor/anti-
freeze additive. The water used as part of the
coolant mixture must fulfill certain require-
ments; these are usually fulfilled by drinking
water. If the water quality is not sufficient, you
must treat the water.
Service product: coolant
Product name/number
EURO Peak Coolant/Antifreeze,
OLD WORLD INDUSTRIES
MB Sheet No. 325.0
Zerex G05, The Valvoline Company
MB Sheet No. 325.0
Zerex G48, The Valvoline Company
MB Sheet No. 325.0
Glysantin G05, BASF AG
MB Sheet No. 325.0
Capacities
Engine cooling system
Coolant
Approx. 10.75 qt
(10.0 l)
Refrigerant
The air-conditioning system uses the refrigerant
R‑134a. This refrigerant does not damage the
ozone layer.
Product name/number Maintenance
interval
Refrigerant R‑134a
MB Sheet No. 361.0
—
Further information can be obtained at any
qualified specialist workshop.
Washer fluid
Important safety notes
G
WARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
284
Service products and capacities
Technical data
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