engine coolant MERCEDES-BENZ C-CLASS CABRIOLET 2018 Owners Manual

1
Speedom eter →
250
2 L Distance warning →
534
3 00CC Powe r-assis tedsteering malfunction →
539
4 003E003D Indicators →
12 9
5 Multifunction display →
254
6 Rev counter →
250
7 00B9 Engine diagnostics →
535
8 0028 Diesel engine: preglow
9 0024 Electric parking brake applied (red) →
528
A 004D Brakes (red) →
528
B 00AC Coolant too hot/cold →
535
C Coolant temp erature display →
250
D 004D Brakes (yellow) →
528
E 0024 Electric pa rking brake (yellow) →
528 F
0025 ABS malfunction →
528
G 0075 Restra int sy stem →
33
H 00E9 Seat belt not fastened →
534
I 0057 High beam →
12 9
J 0058 Low beam →
127
K 00B6 Fuelreser vewith fuel filler flap location
indicator →
535
L Fuel le vel display
M 0060 Standing lights →
127
N 005E Rear fog light →
12 8
O 0077 Tyre pressure monitoring sy stem →
538
P 00BB ESP®
OFF →
528
Q 00E5 ESP®
→
528 At
aglance – Warning and indicator lamps 11

1
Speedom eter →
250
2 003E003D Indicators →
12 9
3 Multifunction display →
254
4 005E Rear fog light →
12 8
5 0057 High beam →
12 9
0058 Low beam →
127
0060 Standing lights →
127
6 Rev counter →
250
7 00AC Coolant too hot/cold →
535
8 Coolant temp erature display →
250
9 L Distance warning →
534
A 00E9 Seat belt not fastened →
534
B 0077 Tyre pressure monitoring sy stem →
538
C 00CC Powe r-assis tedsteering malfunction →
539
D 0024 Electric pa rking brake (yellow) →
528 E
0024 Electric parking brake applied (red) →
528
F 0075 Restra int sy stem →
33
G 00CA Trailer hit chnot operational →
539
H 004D Brakes (red) →
528
I 00B6 Fuelreser vewith fuel filler flap location
indicator →
535
J Fuel le vel display
K 00CC Suspension malfunction →
534
L 004D Brakes (yellow) →
528
M 003D Electrical fault →
535
N 00B9 Engine diagnostics →
535
O 0028 Diesel engine: preglow
P 0025 ABS malfunction →
528
Q 00BB ESP®
OFF →
528
00E5 ESP®
→
528 At
aglance – Warning and indicator lamps 13

R
Speed limiter (0013 page 196)
R Active Dis tance Assi stDISTRONIC
(0013 page 199)
000E NO
TEEngine dama gedue toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. 0007
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply is inter
rupted toprotect the
engine when there d mark on there v counter 3
(o ve rrev ving range) is reached.
During no rmal operating conditions, the coolant
te mp erature display 4may rise to120 °C. 000A
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. 0007
Before opening the bonn et, allow the
engine tocool down. 0007
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology) R
POWER 1shows th e electrical drive sup‐
port as a percentage.
R CHARGE 2showsthe electric mo tor's recu‐
peration po wer per form ance as a percent‐
age. 00D0
showsthe drive sy stem's operational read‐
iness . Overview of
the but tons on thest eering
wheel 1
¤ Back/Home button (press and hold),
on-board computer
2 Touch Control, on-board co mputer
3 Control panel for cruise control/limiter or
Ac tive Dis tance Assi stDISTRONIC
4 Control panel for multimedia sy stem:
£ LINGU ATRO NIC
ß Displa ysfavo urites In
stru ment Display and on-board computer 251

Ad
aptive Highbeam Assist Plus
(0013 page133)
00CB Maximum permissible speed
exceeded
(for cer tain countries only)
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (0013 page 235). Ad
justing the in stru ment lighting 0007
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
0018 Service 0007
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. 0007
Press the left-hand Touch Control.
Fu nctions on theService menu:
R Message memory (0013 page471)
R AdBlue :Ad blue ®
ra nge and fill le vel
R Tyres:
- Restart the tyre pressure loss warning
sy stem (0013 page440)
- Che ckthe tyre pressure with the tyre
pressure monitor (0013 page 434)-
Restart the tyre pressure monitor
(0013 page 435)
R ASSYST PLUS: calls up the service due date
(0013 page 387)
R Vehicles with a widescreen cock pit:Cool-
ant : coolant temp erature display
R Engine oil level: engine oil le vel Calling up
the assistant display On-board computer:
0018 Assistance
The following displa ysare available on the assis‐
ta nt displ aymenu:
R Assis tant displ ay
R Attention le vel (0013 page 233) 0007
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. In
stru ment Display and on-board computer 255

Checking
the coolant le vel 000A
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. 0007
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. 000A
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. 0007
Before opening the bonn et, allow the
engine tocool down. 0007
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. 000A
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. 0007
Let the engine cool down before open‐
ing the cap. 0007
When opening the cap, wear pr otective
gl ove s and saf etygl asses. 0007
Open the cap slowly torelease pres‐
sure. 0007
Park theve hicle on a le vel sur face. 0007
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. 0007
Slowly turn cap 1anti-clockwise torelie ve
ov erpressure. 394
Maintenance and care

0007
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect:
R ifth e engine is cold, up tomar ker bar 2
R ifth e engine is warm, up to1.5 cm over
mar ker bar 2 0007
If necessar y,top up with coolant that has
been appr ovedby Mercedes-Benz.
R Further information on coolant
(0013 page 466). To
pping up the windsc reen washer sy stem 000A
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. 0007
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. 000A
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. 0007
Before opening the bonn et, allow the
engine tocool down. 0007
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. 000A
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. 0007
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. 0007
Remo vethe cap 1bytheta b. 0007
Top up thewa sher fluid. Ke
eping the air-water duct free 0007
Keep the area between the bonn etand the
windscreen free of deposits, e.g. ice, sn ow
and lea ves. Maintenance and care
395

This impairs
the braking ef fect. 0007
Have the brake fluid rene we d at the
specified inter vals. Ha
ve the brake fluid regularly replaced at a
qu alified specialist workshop.
Only use brake fluid appr ovedby Mercedes-Benz
according toMB-F reigabe or MB-Appr oval 33 1.0.
Yo u can obtain fur ther information on brake fluid
in thefo llowing places:
R inthe Mercedes-Benz Specifications for
Operating Fluids
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a qualified specialist workshop Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(0013 page 458). 000A
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. 0007
Allow the engine tocool down before
yo uto p up the antif reeze. 0007
Make sure that no antifreeze spills out
next tothefiller opening. 0007
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. 000E
NO
TEDama gecaused byincor rect cool‐
ant 0007
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction. Information on coolant is
available at thefo l‐
lowing locations:
R inthe Mercedes-Benz Specification for
Operating Fluids 310.1
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop 000E
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. 0007
Alw ays use coolant appr ovedby
Mercedes-Benz. 0007
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop. 466
Tech nical da ta

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 0007
Consult a qualified specialist workshop.
003A Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. 0007
Consult a qualified specialist workshop.
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
000E NO
TEEngine dama gedue toinsuf ficient coolant 0007
Avoid long journe yswith insuf ficient coolant. 0007
Add coolant (0013 page 394).
003D
Stop vehicle Leave engine
running *T
he battery charge leve l is too lo w. 0007
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. 0007
Lea vethe engine running. 0007
Wait until the display message disappears before pulling away. 496
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. 0007
Switch off electrical consumers that are not required. 0007
Connect a suitable charge r appro vedby Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (0013 page 420).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. 0007
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y.
00AC *T
hefan mo tor is defective. 0007
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
00AC
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 000A
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. 0007
Before opening the bonn et, allow the engine tocool down. 0007
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. 498
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Wait until the engine has cooled down. 0007
Make sure that the air supply tothera diator is not obstructed. 0007
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
00D7
Please wait Charging high-
voltage battery *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. 0007
Start the engine. 0007
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: 0007
Tryto start the engine again. 0007
Ifth e engine does not start, consult a qualified specialist workshop.
003D
48 V battery See Owner's
Manual *T
he 48 V sy stem is malfunctioning. Con venience functions may be restricted. 0007
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 499