2018 MERCEDES-BENZ E-CLASS CABRIOLET engine
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Coolant
Notes on coolant
Obser vethe no tes on operating fluids
(
→page 387).
0071 WARNING ‑ Risk of fire and injury from
antifreeze
If antifreeze comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite.
00BBAllow the engine tocool down before
adding antifreeze.
00BBMake surethat no antifreeze spills out
next tothefiller opening.
00BBThoroughly clean off any antifreeze
from component parts before starting
th eve hicle.
0075 NO
TEDama gecaused byincor rect cool‐
ant
00BBOnly add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Fu rther information on coolant:
RIn the Mercedes-Benz Specifications for
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com.
RAt aqu alified specialist workshop.
0075 NO
TEOverheating at high outside tem‐
peratures
If an inappro priate 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.
00BBAlw ays use coolant appr ovedby
Mercedes-Benz.
00BBObser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1.
Ha ve the coolant regularly replaced at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
Ra minimum of 50% (antifreeze pr otection
down toappr oximately -35 °F (-37 °C)).
Ra maximum of 55% (antifreeze pr otection
down to-49 °F (-45 °C)).
Coolant filling capacity
Capacity
Model Capacity
All models 12.7 US qt (12.0 l)
Note s on windshield washer fluid
Obser vethe no tes on operating fluids
(→page 387).
Te ch nical da ta391
Page 394 of 498
0071WARNING ‑ Risk of fire and injury from
windshield washer concentrate
Wi ndshield 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.
00BBMake sure that no windshield washer
concentrate spills out next tothefiller
opening.
0075 NO
TEDama getotheex terior lighting
due tounsuit able wind shieldwasher fluid
Uns uitable wind shieldwasher fluid may dam‐
age the plastic sur face of theex terior light‐
ing.
00BBOnly use windshield washer fluid whic h
is also suit ablefor use on plast ic surfa‐
ces, e.g. MB SummerFit or MB Winter‐
Fit.
0075 NO
TEBlocked spr aynozzles caused by
mixing windshield washer fluids
00BBDo not mix MB SummerFit and MB Win‐
te rFit with other windshield washer flu‐
ids.
Do not use distilled or de-ionized water asthefill
le ve l sensor may be triggered er roneously.
Re commended windshield washer fluid:
RAbo vefreezing point: e.g. MB SummerFit
RBelow freezing point: e.g. MB WinterFit
Fo rth e cor rect mixing ratio referto the informa‐
tion on the antif reeze conta iner.
Mix thewa sher fluid with the windshield washer
fl uid all year round.
Re frigerant
Note s onrefrigerants
Obser vethe no tes on operating fluids
(
→page 387). 0075
NO
TEDama gedue toincor rect refriger‐
ant
If a non-appr ovedre frigerant is used, the cli‐
mate control sy stem may be damaged.
00BBOnly use there frigerant R‑134a
0075 NO
TEDama getothe climate control
sy stem due toincor rect refrigerant com‐
pressor oil
00BBOnly use refrigerant compressor oil that
has been appr ovedby Mercedes-Benz.
00BBDo not mix the appr ovedre frigerant
compressor oil with a dif fere nt refriger‐
ant compressor oil.
Wo rkon the climate control sy stem may only be
car ried out byaqu alified specialist workshop. All
applicable regulations, as well as SAEstandard
J639, must be adhered to.
392
Tech nical da ta
Page 408 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
5 D G D U 6 H Q V R U V ' L U W \ 6 H H
2 S H U D W R U
V 0 D Q X D O *T
heradar sensor sy stem is malfunctioning. Possible causes are:
Rsoiling of the sensors
Rheavy rain
Rex tended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBClean all sensors .
00BBRestart the engine.
406
Display messages and warning/indicator lamps
Page 409 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
5 D G D U 6 H Q V R U V ' L U W \ 6 H H
2 S H U D W R U
V 0 D Q X D O *T
heradar sensor sy stem is malfunctioning. Possible causes are:
RSoiling of the sensors
RHeavy rain
REx tended country driving wi thout moving traf fic, e.g. in the desert
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBClean all sensors .
00BBRestart the engine.
0075
Example: / H I W 6 L G H & X U W D L Q
$ L U E D J 0 D O I X Q F W L R Q 6 H U Y L F H
5 H T X L U H G *T
he cor responding head air bag is malfunctioning.
0071
WARNING Risk of injury or death duetomalfunctions in the head air bag
If th e head air bag is malfunctioning, it might be triggered unintentionally or might not be triggered at all in the
eve nt of an accident wi tha high rate ofvehicle deceleration.
00BBHa ve the head air bag checked and repaired immediately at a qualified specialist workshop.
00BBConsult a qualified specialist workshop immediatel y.
Displaymessage s andwarning/indicator lamps 407
Page 410 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
$ F W L Y H % U D N H $ V V L V W ) X Q F
W L R Q V & X U U H Q W O \ / L P L W H G 6 H H
2 S H U D W R U
V 0 D Q X D O *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE
®PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limitations.
00BBDrive on.
As soon as the ambient conditions are within the sy stem limitations, the sy stem will become available again.
00BBIfth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
$ F W L Y H % U D N H $ V V L V W ) X Q F
W L R Q V / L P L W H G 6 H H 2 S H U D
W R U
V 0 D Q X D O *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE
®PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning.
00BBVisit a qualified specialist workshop.
3 5 ( 6 $ ) ( , Q R S H U D W L Y H 6 H H
2 S H U D W R U
V 0 D Q X D O *
PRE‑SAFE
®functions are malfunctioning.
00BBVisit a qualified specialist workshop.
408
Display messages and warning/indicator lamps
Page 418 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
$ F W L Y H / D Q H . H H S L Q J $ V V L V W
& D P H U D 9 L H Z 5 H V W U L F W H G
6 H H 2 S H U D W R U
V 0 D Q X D O *
Ve hicles without Active Steering Assis t:the camera view is restricted.
Po ssible causes are:
Rdirt on the windshield in the camera's field of vision
Rheavy rain, snow or fog
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems are available again.
If th e display message does not disappear:
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBClean the windshield.
% O L Q G 6 S R W $ V V L V W & X U U H Q W O \
8 Q D Y D L O D E O H 6 H H 2 S H U D W R U
V
0 D Q X D O *B
lind Spot Assist is temp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 193).
00BBDrive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or
00BBIf th e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
00BBIf necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning.
41 6
Displ aymessage s andwarning/indicator lamps
Page 419 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
$ F W L Y H % O L Q G 6 S R W $ V V L V W
& X U U H Q W O \ 8 Q D Y D L O D E O H 6 H H
2 S H U D W R U
V 0 D Q X D O *A
ctive Blind Spot Assist istemp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 193).
00BBDrive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
00BBIfth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
% O L Q G 6 S R W $ V V L V W 1 R W $ Y D L O
D E O H : K H Q 7 R Z L Q J D 7 U D L O H U
6 H H 2 S H U D W R U
V 0 D Q X D O *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable.
00BBPress the left-hand side Touch Control and ackn owledge the display message.
$ F W L Y H % O L Q G 6 S R W $ V V W 1 R W
$ Y D L O D E O H : K H Q 7 R Z L Q J D
7 U D L O H U 6 H H 2 S H U D W R U
V 0 D Q
X D O *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable.
00BBPress the left-hand Touch Control and ackn owledge the display message.
% O L Q G 6 S R W $ V V L V W , Q R S H U D
W L Y H *B
lind Spot Assist is malfunctioning.
00BBVisit a qualified specialist workshop.
$ F W L Y H % O L Q G 6 S R W $ V V L V W
, Q R S H U D W L Y H *A
ctive Blind Spot Assist is malfunctioning.
00BBVisit a qualified specialist workshop.
Display messages and warning/indicator lamps 41
7
Page 420 of 498
Displaymessages
Possible causes/consequences and 0050Solutions
$ F W L Y H 3 D U N L Q J $ V V L V W D Q G
3 $ 5 . 7 5 2 1 , & , Q R S H U D W L Y H
6 H H 2 S H U D W R U
V 0 D Q X D O *A
ctive Parking Assist and Parking Assist PARKTRONI Caremalfunctioning .
00BBStop theve hicle, paying attention toroad and traf fic conditions, and restart the engine.
00BBIfth e display message continues tobe displa yed, consult a qualified specialist workshop.
7 U D I I L F 6 L J Q $ V V L V W & X U
U H Q W O \ 8 Q D Y D L O D E O H 6 H H
2 S H U D W R U
V 0 D Q X D O *T
raffic Sign Assist is temp orarily una vailable.
00BBDrive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
7 U D I I L F 6 L J Q $ V V L V W & D P H U D
9 L H Z 5 H V W U L F W H G 6 H H 2 S H U D
W R U
V 0 D Q X D O *T
he camera view is restricted. Possible causes are:
Rdirt on the windshield in the camera's field of vision
Rheavy rain, snow or fog
Driving sy stems and driving saf etysy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf etysy stems will become availa‐
ble again.
If th e display message does not disappear:
00BBPull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
00BBClean the windshield.
7 U D I I L F 6 L J Q $ V V L V W , Q R S H U D
W L Y H *T
raffic Sign Assist is malfunctioning.
00BBVi sit a qualified specialist workshop.
41 8
Displ aymessage s andwarning/indicator lamps