2018 MERCEDES-BENZ METRIS climate control

The air vents can only be adjusted on vehicles
with rear-compartment air conditioning.
Vehicles with rear-compartment air condition-
ing: in heating mode, the air in the rear com-
partment is automatically distributed in the foot-
wells and roof area after the coolant has
reached the required temperature. In cooling
mode, in the initial phase the air is distributed in
the footwells and roof area of the hot vehicle,
and subsequently only in the roof area.
XTo open: turn thumbwheel :of the rear air
vent to the center position.
XTo close: turn thumbwheel :to the upper or
lower end position.
Adjusting the air vents121
Climate control
Z

Important safety notes
GWARNING
If th eengin eis switched off automatically and
you exit th evehicle, th eengin eis restarte d
automatically. The vehicl emay begi nmoving .
Ther eis aris kof acciden tand injury.
If you wish to exit th evehicle, always tur noff
th eignition and secure th evehicl eagainst
rollin gaway.
Automatic engine switch-off
Gene ral notes
The ECO start/sto pfunction is operational
when th eè ECO symbol is shown in th esta-
tus bar of th edisplay.
Fo rthis to happen, various conditions, includin g
th efollowing, must be met :
RtheECO start/sto pfunction is switched on .
The indicator lamp in th eè ECO butto nis
lit (
Ypage 127).
Rtheoutside temperature is abov e32 ‡(0 †).
Rthe engine has reached its operating temper-
ature.
Rthe set temperature for the vehicle interior
has been reached.
Rthe condition of charge of the starter battery
is sufficient.
Rthe system detects that the windshield is not
fogged up when the air-conditioning system
or automatic climate control is switched on.
Rthe hood is closed.
Rthe driver's seat belt is fastened.
Rthe driver's door is closed.
Rthere is no danger of immediately rolling
backwards, e.g. when stopped on a steep gra-dient.
If a trailer is attached and/or a rear carrier
system is installed and connected electri-
cally, this danger is detected on less steep
gradients.
Only if all the conditions for automatic engine
switch-off are fulfilled, does the display show
the è ECO symbol.
All of the vehicle's systems remain active when
the engine is switched off automatically.
The engine can be switched off automatically a
maximum of four times (initial stop, then three subsequent stops) in succession. After that, the
display hides the èECO symbol. Automatic
engine switch-off is not possible again until the
è ECO symbol is shown again.
If you open the hood after an a
utomatic engine
switch-off, the automatic engine start is deacti-
vated. Once the hood is closed, you have to start
the engine manually.
If the vehicle is stopped in transmission position
h ori, the ECO start/stop function switches
off the engine automatically once the vehicle is
stationary.
Automatic engine start
General notes
The engine is started automatically if:
Ryou switch off the ECO start/stop function by pressing the èECO button The indicator
lamp in the èECO button then goes out.
(
Ypage 127)
Ryou depress the accelerator pedal.
Ryou engage reverse gear k
Ryou unfasten your seat belt.
Ryou open the driver's door.
Rthe vehicle begins to roll away.
Rthe brake system requires this.
Rthe temperature in the vehicle interior
increasingly deviates from the set value.
Rthe system detects moisture on the wind-
shield when the air-conditioning system is
switched on.
Rthe battery's condition of charge is too low.
The engine is started automatically if you:
Rswitch to drive program M(Ypage 131)
Rrelease the brake pedal when in transmission
position hori
Rswitch to transmission position j
After shifting from transmission position kto
h, the ECO start/stop function is not available
until the èECO symbol is shown in the dis-
play.
126Driving
Driving and parking

Example: vehicle identification plate (US vehicles)
Example: vehicle identification plate (vehicles for
Canada)
;
VIN
=Paint code
iThe data shown on the vehicle identification
plate is sample data. This data differs for
every vehicle and may deviate from what is
shown here. The data valid for your vehicle
can be found on the identification plate of
your vehicle.
Vehicle identification number (VIN)
VIN in the engine compartment
The VIN can be found on the vehicle identifica-
tion plate (Ypage 305).
VIN :is also stamped into the longitudinal
member in the engine compartment next to the
fuse box.
Engine number
The engine number is stamped on the crank-
case. More information may be obtained at any
qualified specialist workshop.
Service products and capacities
Important safety notes
GWARNING
Service products may be poisonous and haz-
ardous to health. There is a risk of injury.
Comply with instructions on the use, storage
and disposal of service products on the labels
of the respective original containers. Always
store service products sealed in their original
containers. Always keep service products out
of the reach of children.
HEnvironmental note
Dispose of service products in an environ-
mentally responsible manner.
When handling, storing and disposing of any
service products, please observe the relevant
regulations.
Service products include the following:
RFuels, e.g. gasoline
RLubricants, e.g. engine oil, transmission oil
RCoolant
RBrake fluid
RWasher fluid
RClimate control system refrigerants
Approved service products comply with the
highest quality standards and are listed in the
Mercedes-Benz Specifications for Service Prod-
ucts. Only use service products approved for the
vehicle. This is an important condition for the
Limited Warranty.
You will recognize the service products
approved by Mercedes-Benz by the following
306Service products and capacities
Technical data

Check the antifreeze/corrosion inhibitor con-
centration inthe coolant every six months.
The percentage of corrosion inh ibitor/ant i-
freeze additiveinthe engine co oling system
should:
Rbe at least 50 %.This way, the engine co oling
system isprotected against freezing downto
approximate ly-35 ‡ (-37 †).
Rnot exceed 55% (antifreeze protection down
to -49 ‡ [-45 †]). Other wise, heat will not be
dissipated as effectively.
Mercedes-Benz recommends an antifreeze and
corrosion inhibitor that meets the requirements
in the Mercedes-Benz Specifications for Service
Products Sheet Number 325.
More information can be obtained at any quali-
fied specialist workshop.
Operating fluid: coolant
Product name/number
Zerex G40-91, The Valvoline Company
MB Sheet No. 325.5
Maintenance interval
Have the coolant replaced at specified intervals
by a qualified specialist workshop.
Capacities
Engine cooling system
CoolantApprox. 11 US qt (10.4 l)
Climate control system refrigerants
Important safety notes
The climate control system of your vehicle is fil-
led with the refrigerant R‑ 134a.
The warning label for the refrigerant being used
can be found on the radiator cross member.
!Only the refrigerant R ‑134a and the PAG oil
approved by Mercedes-Benz may be used.
The approved PAG oil may not be mixed with
any other PAG oil that is not approved for
R-134a refrigerant. Otherwise, the climate
control system may be damaged. Maintenance work such as adding refrigerant or
replacing components may only be carried out
by a qualified specialist workshop. All applicable
regulations thereto and the SAE standard J639
must be adhered to.
All work on the climate control system should
always be carried out at qualified specialist
workshop.
Refrigerant warning label
Refrigerant warning label (example)
:
Warning symbols
;Refrigerant capacity
=Applicable standards
?Part number PAG oil
AType of refrigerant
Warning symbols :refer to:
Rpossible dangers
Rthe implementation of maintenance work at a
qualified specialist workshop
Capacities
Front-compartment
air-conditioning
systemCapacity
Refrigerant21.2 oz
(600 g)
PAG oil2.8 oz (79 g)
312Service products and capacities
Technical data