1
L Distance warning →
482
2 Ð Powe r steering →
475
3 #! Turn signal lights →
136
4 ; Engine diagnostics →
477
5 % Diesel engine: pregl ow
6 ! Electric parking brake (red) →
480
7 J Brakes (red) →
480
8 ÿ Coolant temp erature →
477
9 Coolant temp erature display →
276
A J Brakes (yellow) →
480
B ! Electric parking brake (yellow) →
480
C ! ABS →
482 D
6 Restraint system →
473
E ü Seat belt →
473
F K High beam →
136
G L Low beam →
134
H 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
477
I Fuel le vel →
276
J T Standing lights →
134
K R Rear fog light →
135
L h Tyre pressure monitoring system →
485
M å ESP®
OFF →
482
N ÷ ESP®
→
482 At
a glance – Indicator and warning lamps (standard)
11
11
1
#! Turn signal lights →
136
2 R Rear fog light →
135
3 K High beam →
136
L Low beam →
134
T Standing lights →
134
4 ÿ Coolant temp erature →
477
5 Coolant temp erature display →
276
Plug-in hybrid: cur rent state of charge ofthe
high- voltage battery →
279
6 L Distance warning →
482
7 ü Seat belt →
473
8 h Tyre pressure monitoring system →
485
9 Ù Powe r steering →
475
A ! Electric parking brake (yellow) →
480 B
! Electric parking brake (red) →
480
C 6 Restraint system →
473
D ï Trailer hitch →
475
E J Brakes (red) →
480
F 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
477
G Fuel le vel →
276
H J Brakes (yellow) →
480
I # Electrical fault →
477
J ; Engine diagnostics →
477
K % Diesel engine: preglow
L ! ABS →
482
M å ESP®
OFF →
482
÷ ESP®
→
482 At
a glance – Indicator and warning lamps (widescreen cockpit)
13
13
Ov
Ov
er
ervie
vie w of ins
w of ins tr
trument display
ument display 1
Speedome ter
The segments on the speedome ter indicate
th e statuses of thefo llowing systems: cruise
control/limiter/Active Distance Assist
DISTRONIC
2 Outside temp erature
3 Time 4
Area for additional values (e xample:rev coun-
te r): rev counter/navigation/ECO display/
consum ption/G-me ter/date
The fuel supply will be inter rupted toprotect
th e engine when there d mark on therev
counter (o verrev ving range) is reached.
5 Coolant temp erature display During normal operation,
the coolant temp er-
ature display is permitted torise to120°C.
Ve hicles with 48 V on-board elect rical system:
POWER and CHARGE displa ys(electrical drive
support and recuperation po wer of the elec-
tric mo tor)
6 Selected drive prog ram
7 Selected transmission position 276 276
Instrument display and on-board co
mputer
#
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again (/ page 331). Chec
Chec
king t
king t he coolant lev
he coolant lev el
el &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of scalding from hot cool-
ant
If yo u open the cap, you could be scalded. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wear pr otective
glo ves and saf ety glasses. #
Open the cap slo wlytorelease pressure. #
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display on the
inst rument displa y.
The coolant temp erature must be below 70°C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. #
Continue turning cap 1anti-clockwise and
re mo veit. 334
334
Maintenance and care
The coolant le
vel is cor rect in thefo llowing cases:
R Ifth e engine is cold, the coolant is up to
mar ker bar 2.
R Ifth e engine is warm,th e coolant is up to
1.5 cm overth e mar ker bar 2. #
If necessar y,re/ll with coolant that has been
appr ovedfo r Mercedes-Benz.
% Further information on coolant (/ page 394)T
T
opping up t
opping up t he windscr
he windscreen w
een washer syst
asher syst em
em &
W
W ARNING
ARNING Risk of injury due tomoving
parts
Components in the engine compartment may
continue torun or start unexpectedly even
when the drive system is switched o..
Obser vethefo llowing if you must open the
bonnet: #
Switch o. theve hicle. #
Neverto uch the danger zones sur round-
ing moving components, e.g. thero tation
area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving pa rts. &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concent rate spills out next tothe /ller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher 0uid.
% Further information about the windscreen
wa sher 0uid (/ page 395) Main
tenance and ca re
335 335
P
P
aint
aint
R Insect remains: Soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: Soak with water and rinse o.
aTer wards.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid.
R Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a quali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt
Matt /nish
/nish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop. R
Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards.
R Do not use car wash prog rammes with a /nal
hot wax treatment.
R Do not use paint cleaners, bu1ng or polishing
products, gloss preser vers,e. g. wa x.
In theev ent of paintwork damage:
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop.
R Make sure thera dar sensors function
(/ page 213). N No
ot
tes on cleaning decor
es on cleaning decor ativ
ative f
e foils
oils Obser
vethe no tes on matt /nish care in thech ap-
te r "No tes on paintwork/matt /nish paintwork
care" (/ page 337). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid damage. Cleaning
Cleaning
R For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
substances (e.g. a car shampoo appr ovedfor
Mercedes-Benz).
R Remo vedirt as soon as possible. Avoid rub-
bing too hard in order tonot ir reparably dam-
age the decorative foil.
R Ifth ere is dirt on the /nish or if the decorative
fo il is dull: Use thePa int Cleaner recommen-
ded and appr ovedfo r Mercedes-Benz.
R Insect remains: Soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: Soak with water and rinse o.
aTer wards.
R Toprev ent water stains, dry a foil-wrapped
ve hicle with a soT, absorbent clo thaTer every
car wash.
Av
Av oiding damag
oiding damag e t
e to t
o t he decor
he decor ativ
ative f
e foil
oil
R The service life and colouring of decorative
fo ils are impaired by:
- Sunlight
- Temp erature (e.g. hot air blo wer) 338
338
Maintenance and care
Engine oil
Engine oil
speci/cation
speci/cation (plug-in h
(plug-in hybr
ybrid)
id) Model
Model
MB-Fr
MB-Freig
eigabe or MB-
abe or MB-
Appr ov
Approv al
al
GLC 300 e 4MATIC 1)
229.52)
GLC 300 de 4MATIC 229.52
1) Only use SAE 0W-40 or SAE 5W-40 viscosity class engine oils.
2) recommended for lo west possible fuel consu mption (lo westSA E
viscosity class in each case; obser vepossible restrictions of the
appro vedSA E viscosity classes) To
achie vethe lo west possible fuel consum ption,
it is recommended touse the engine oil speci/ca-
tions mar ked in theta ble forth e lo westSA E vis-
cosity class. Possible restrictions of the appr oved
SA E viscosity classes must be obser ved.
% Ifth e engine oils listed in theta ble are not
av ailable, you may add a maximum of 1.0 litre
of thefo llowing engine oils once onl y.
V
V ehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: MB-Freigabe or
MB-Appr oval 229.3 or ACEA A3/B4
V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: ACEA C3 Engine oil
Engine oil
/lling
/llingcapacity (plug-in h
capacity (plug-in h ybr
ybrid)
id) Model
Model
Capacity
Capacity
GLC 300 e 4MATIC 6.0 litres
GLC 300 de 4MATIC 6.3 litres The speci/ed /lling capacity
refers to an oil
ch ange with the oil /lter. N
No
ot
tes on br
es on br ak
ake
e 0uid
0uid Obser
vethe no tes on operating 0uids
(/ page 387). &
W
WARNING
ARNING Risk of an accident due to
va pour poc kets form ing in the brake sys-
tem
The brake 0uid constantly absorbs moisture
from the air. This lo wersthe boiling point of
th e brake 0uid. If the boiling point is too lo w,
va pour poc kets may form inthe brake system
when the brakes are applied hard.
This impairs the braking e.ect. #
Have the brake 0uid rene we d at the
speci/ed inter vals. Ha
ve the brake 0uid regula rly re placed at a quali-
/ed specialist workshop.
Only use a brake 0uid appr ovedby Mercedes-
Benz according toMB-F reigabe or MB-Appr oval
331.0. Coolant Coolant
N
No
ot
tes on coolant
es on coolant
Obser vethe no tes on operating 0uids
(/ page 387). &
W
WARNING
ARNING Risk of /re‑ and injury from
antif reeze
If antifreeze comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Allow the engine tocool down before
yo uto p up the antifreeze. #
Make sure that no antif reeze spills out
next tothe /ller opening. 394
394
Te
ch nical data
#
Tho roughly clean the antifreeze from
component parts before starting the
ve hicle. *
N
NO OTE
TE Damage caused byincor rect cool-
ant #
Only use coolant that has been premixed
with there qu ired antifreeze pr otection.
Information on coolant is available at thefo l-
lowing locations:
R Inthe Mercedes-Benz Speci/cation for
Operating Fluids 320.1
- Athttps://be vo.mercedes-benz.com
- Inthe Mercedes-Benz BeVo App
R Ataqu ali/ed specialist workshop *
N NOOTE
TE Overheating at high outside temp er-
atures If an inappropriate coolant is used,
the cooling
system is not su1ciently pr otected against
ov erheating and cor rosion at high outside
te mp eratures. #
Only use coolant appr ovedfor
Mercedes-Benz. #
Obser vethe inst ructions in the
Mercedes-Benz Speci/cations for Oper-
ating Fluids 320.1. Ha
ve the coolant regula rly re placed at a quali/ed
specialist workshop.
Proportion of antif reeze concentrate in the cool-
ing system:
R A minimum of 50% (antifreeze pr otection down
to about -37°C)
R A maximum of 55% (antif reeze pr otection
down to-45°C) N
No
ot
tes on windscr
es on windscr een w
een washer
asher 0uid
0uid Obser
vethe no tes on operating 0uids
(/ page 387). &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concent rate spills out next tothe /ller
opening. *
N NOOTE
TE Damage totheex terior lighting due
to unsuitable windscreen washer 0uid Unsuitable windscreen
washer 0uids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer 0uids which
are also suitable for use on plastic sur fa-
ces, e.g. MB SummerFit or MB WinterFit. Te
ch nical data
395
395