Operate your engine using pure FAME fatty
acid methyl ester fuel compliant with
DIN EN 14214. You can also operate your
engine
using a mixture of conventional diesel
fuel and FAME fatty acid methyl ester fuel.
This also applies to engines with BlueTec
®
exhaust gas aftertreatment.
Observe the specifications in accordance
with Sheet no. 135.0 of the Mercedes-Benz
Specifications for Service Products for oper-
ation with FAME fatty acid methyl ester fuel.
Operating the vehicle with FAME fatty acid
methyl ester fuel results in:
R
a slightly higher fuel consumption
R
a slightly reduced engine power output
R
increased white smoke after a cold start
Low outside temperatures
FAME fatty acid methyl ester fuel compliant
with DIN EN 14214 can be used reliably at
outside temperatures down to −20 †.
For lower temperatures, the engine can be
equipped
with a fuel preheating system. This
improves the flow characteristics of the FAME
fatty acid methyl ester fuel according to the
heat output installed.
AdBlue
®
/DEF
Notes on AdBlue
®
/DEF
AdBlue
®
/DEF is a non-flammable, non-toxic,
colourless, odourless and water-soluble liq-
uid.
The terms "Urea" and "DEF" (Diesel Exhaust
Fluid) are also used for "AdBlue
®
".
!
Only use AdBlue
®
/DEF in accordance
with DIN 70070/ISO 22241
. Do not use
any additives.
If AdBlue
®
/DEF comes into contact with
painted or aluminium surfaces when filling
the tank, rinse the affected area immedi-
ately with plenty of water.
High outside temperatures
G
WARNING
If the AdBlue
®
/DEF
tank
cap is opened at high
temperatures, ammonia vapours may escape.
Ammonia vapours have a pungent odour and
particularly irritate:
R
skin
R
mucous membranes
R
eyes
The vapours may cause a burning sensation
in the eyes, nose and throat as well as irrita-
tion of the throat and watering eyes.
Avoid inhaling ammonia vapours.
G
WARNING
AdBlue
®
/DEF must not come into contact
with skin, eyes or clothing.
R
If AdBlue
®
/DEF comes into contact with
your eyes
or skin, rinse affected areas with
clean water immediately.
R
If AdBlue
®
/DEF is swallowed, immediately
rinse your mouth out with a lot of clean
water and drink plenty of water.
R
Change clothing that is soiled with
AdBlue
®
/DEF immediately.
R
If allergic reactions occur, consult a doctor
immediately.
Keep AdBlue
®
/DEF out of the reach of chil-
dren.
The chemical composition of AdBlue
®
/DEF
can break down if it heats up to 50 † over a
long period (e.g. as a result of direct sunlight
on the tank). This creates ammonia vapour.
Low outside temperatures
AdBlue
®
/DEF freezes at a temperature of
approximately −11 †. Winter operation is
also
ensured for temperatures below −11 †.
At low temperatures, AdBlue
®
/DEF crystals
may form on the coiled hose between the
engine and the silencer. This crystallisation
does not pose a risk to the correct operation
54
Service products
Maintenance and care
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