Mercedes-Benz CLS Operator's Manual page 370

®
AdBlue (vehicles with a diesel engine only)
▌Notes on AdBlue ®
Observe the notes on operating fluids
( page 362).
/
®
AdBlue is a water-soluble fluid for the NOx
exhaust gas aftertreatment of diesel engines.
It may be improper or punishable in some coun-
tries to operate a vehicle that uses no AdBlue
one that does not comply with the specifications
of this Owner's Manual.
* NOTE Malfunctions due to the dilution of
®
AdBlue or the use of additive-enhanced
®
AdBlue
The function of the NOx exhaust gas after-
treatment can be impaired by the use of
unsuitable denoxification agents.
®
Only use AdBlue in accordance with
#
ISO 22241.
®
Do not dilute AdBlue with water.
#
Do not use additive-enhanced AdBlue
#
* NOTE Damage and malfunctions due to
impurities in AdBlue
Consequences of impurities in AdBlue
increased emission values
R
damage to the catalytic converter
R
NOx exhaust gas aftertreatment malfunc-
R
tions
®
or
Avoid impurities in AdBlue
#
®
AdBlue residues crystallise after a period of
time, and contaminate the surfaces with which
they come into contact. Clean the dirty surfaces
with water as soon as possible.
When you open the AdBlue
of ammonia vapour may escape. Do not inhale
any ammonia vapours that may be released. Only
®
fill the AdBlue tank in well-ventilated areas.
®
.
▌AdBlue
®
Total capacity of AdBlue
®
:
Model
All models
AdBlue
The average AdBlue
and 5% of fuel consumption. Like fuel consump-
®
.
tion, AdBlue
upon driving style and operating conditions. For
this reason, your vehicle's actual consumption fig-
ures in day-to-day operating conditions may differ
from the consumption figures calculated. The fre-
quency at which you will have to top up AdBlue
® tank, small amounts
will also vary. Have the AdBlue
at a qualified specialist workshop before making
journeys outside Europe. Before a longer stay out-
side Europe, consult a qualified specialist work-
shop.
AdBlue
You can have the AdBlue
played on the driver's display.
Technical data 367
®
filling capacity and consumption
®
tank
Total capacity
23.5 litres
®
consumption
®
consumption is between 1%
®
consumption is highly dependent
®
supply checked
®
range and fill level
®
range and level dis-
®