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H
Environmental note
Dispose of service products in an
environmentally responsible manner.
Service products include the following:
R Fuels (e.g. gasoline, diesel)
R Exhaust gas aftertreatment additives, e.g.
DEF
R Lubricants (e.g. engine oil, transmission
oil)
R Coolant
R Brake fluid
R Windshield washer fluid
R Climate control system refrigerant
Comply with all valid regulations with respect
to handling, storing, and disposing of service
fluids.
Components and service products must be
matched. You should therefore only use
products that have been tested and approved
by Mercedes-Benz.
Information about tested and approved
products can be obtained from an authorized
Mercedes-Benz Center or on the Internet at
http://bevo.mercedes-benz.com.
You can recognize service products approved
by Mercedes-Benz by the following
inscription on the containers:
R MB-Freigabe (e.g. MB-Freigabe 229.51)
R MB Approval (e.g. MB Approval 229.51)
Other designations or recommendations
indicate a level of quality or a specification in
accordance with an MB Sheet number (e.g.
MB 229.5). They have not necessarily been
approved by Mercedes-Benz. Fuel
Important safety notes G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and
explosion. You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the
auxiliary
heating before
refueling. G
WARNING
Fuel is poisonous and hazardous to health.
There is a risk of injury.
You must make sure that
fuel does not come
into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel away from children.
If you or others come into contact with fuel,
observe the following:
R Wash away fuel from skin immediately
using soap and water.
R If fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance
without delay.
R If fuel is swallowed, seek medical
assistance without delay. Do not induce
vomiting.
R Immediately change out of clothing which
has come into contact with fuel.
Tank capacity Model Total
capacity GLK 250 BlueTEC
15.6 US gal
(59.0 l) All other models
17.4 US gal
(66.0 l) Model Of which
reserve All models
approx.
2.1 US gal (8.0 l)366
Service products and filling capacities
Technical data
Page 374 of 380

Windshield washer system and
headlamp cleaning system
Important safety notes G
WARNING
Windshield washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windshield washer
concentrate is spilled next to the filler neck.
! Only use washer fluid that is suitable for
plastic lamp lenses, e.g. MB SummerFit or
MB WinterFit. Unsuitable washer fluid
could damage the plastic lenses of the
headlamps.
! Do not add distilled or
de-ionized water to
the washer fluid container. Otherwise, the
level sensor may be damaged.
! Only MB SummerFit and MB WinterFit
washer fluid should be mixed together. The
spray nozzles may otherwise become
blocked.
When handling washer fluid, observe the
important safety notes on service products
(Y page 365).
At temperatures above freezing:
X Fill the washer fluid reservoir with a mixture
of water and windshield washer fluid, e.g.
MB SummerFit.
X Add 1 part MB SummerFit to 100 parts
water.
At temperatures below freezing:
X Fill the washer fluid reservoir with a mixture
of water and washer fluid, e.g. MB
WinterFit. Adapt the mixing ratio to the outside
temperature.
R
Down to 14 ‡ (00FC10 †): mix 1 part MB
WinterFit with 2 parts water.
R Down to 00FC4 ‡ (
00FC20 †): mix 1 part MB
WinterFit with 1 part water.
R Down to 00FC20.2 ‡ (00FC29 †): mix 2 parts MB
WinterFit with 1 part water.
i Add windshield washer fluid, e.g. MB
SummerFit or MB WinterFit, to the washer
fluid all year round. Climate control system refrigerant
Important safety notes Type of refrigerant
Your vehicle's climate control
system
can be
filled with refrigerants R-134a or R-1234yf.
The instruction label about types of
refrigerants can be found on the radiator
cross member.
Refrigerant R-134a !
Only use refrigerant R-134a and PAG oil
(part number A0019890803) which has
been approved by Mercedes-Benz. The
approved R-134a PAG oil may
not be mixed
with other conventional PAG oils.
Otherwise, the climate control system may
be damaged.
Service work, such as topping-up refrigerant
or replacing components, may only be carried
out at a qualified specialist workshop. All
applicable regulations must be adhered to,
SAE standard J639 included.
Always have work on the climate control
system carried out at a qualified specialist
workshop.
Refrigerant R-1234yf !
Only use refrigerant R-1234yf and
PAG oil
(part number A0009890606) which has
been approved by Mercedes-Benz. The 372
Service products and filling capacities
Technical data
Page 375 of 380

approved R-1234yf PAG oil may not be
mixed with other conventional PAG oils.
Otherwise, the climate control
system
may
be damaged.
Service work, such as topping-up refrigerant
or replacing components, may only be carried
out at a qualified specialist workshop. All
applicable regulations, such as SAE
standards J639, J2842 and J2845 must be
adhered to.
Always have work on the climate control
system carried out at a qualified specialist
workshop.
Refrigerant instruction label Example: refrigerant instruction label
0043
Warning symbol
0044 Refrigerant filling capacity
0087 Applicable SAE standards
0085 PAG oil part number
0083 Type of refrigerant Warning symbols
0043 indicate:
R possible dangers
R the flammability of refrigerant (R-1234yf)
R that it is necessary to have maintenance
work carried out at a qualified specialist
workshop
Filling capacities All models Capacity
Refrigerant
660 ± 10 g
(23.3 ± 0.4 oz ) PAG oil
110 g
(3.9 oz) Vehicle data
General notes
Please note that for the specified vehicle
data:
R the heights specified may vary as a result
of:
-tires
- load
- condition of the suspension
- optional equipment
R the indicated ground clearance refers to
the vehicle when loaded and
ready to drive,
including:
- driver (68 kg)
- all fluids (fuel tank 100% full) Vehicle data
373
Technical data Z