2017 MERCEDES-BENZ E-CLASS COUPE service indicator

#
Avoid fire , naked flames, creating
spar ksand smoking. #
Make sure that there is suf ficient venti‐
lation du ring thech arging process and
during starting assis tance. #
Do not lean over a batter y. If
th e indicator/warning lamps in the instrument
clus ter do not light up at low temp eratures, it is
ve ry likely that the dischar ged battery has fro‐
zen. &
WARNING Risk ofexplosion from a fro‐
zen battery
A dischar ged battery may freeze at temp era‐
tures slightly abo veor below freezing point.
During starting assis tance or battery charg‐
ing, bat tery gas may be released. #
Alw aysth aw a frozen bat tery out first
before charging it or per form ing start‐
ing assis tance. The service li
feof a battery that has been
th awe d may be dramatically shor tened. It is
recommended that you ha veathaw ed bat‐
te ry checked at a qualified specialist workshop.
All vehicles
* NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump leads/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point. R
The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running.
R Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
R When charging: only use battery charge rs
te sted and appr ovedby Mercedes-Benz and
re ad the battery charge r's operating instruc‐
tions before charging the batter y.
Obser vethe additional following points during
st arting assis tance:
R Starting assis tance may only be pr ovided
using batteries with a nominal voltage of 12
V.
R The vehicles must not touch.
R Petrol engine: Only acce ptstarting assis‐
ta nce if the engine and exhaust sy stem are
cold. #
Secure theve hicle byapplying the electric
parking brake. 378
Breakdown assis tance

The tyre pressure loss
warning sy stem does not
re place the need toregularly check the tyre
pressures.
Sy stem limitations
The tyre pressure loss warning sy stem does not
issue a warning:
R Ifth e tyre pressure is set incor rectl y.
R Ifth ere is a sudden pressure loss caused, for
ex ample, byafo re ign object penetrating the
tyre.
R Ifth e pressure loss in se veral tyres decrea‐
ses at the same rate.
The tyre pressure loss warning sy stem has a
limited or dela yed function:
R When thero ad sur face is poo r,e.g. snow or
gr ave l.
R When driving with snow chains.
R When driving in a very sporty driving style
with high cornering speeds or sudden accel‐
eration.
R When towing a very heavy or large trailer.
R When driving with a high load. Be sure
toalso obse rveth efo llowing fur ther
re lated subjects:
R Display messages about the tyres
(→ page 459)
R Notes on tyre pressure (→ page 389)
Re starting the ty repressure loss warning
sy stem
Re quirement:
R The recommended tyre pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (→ page 389).
On-board co mputer:
, Service .
Tyre pressure
The Run Flat Indicator active Restart with OK
message is shown in the multifunction displa y.
Re start the tyre pressure loss warning sy stem in
th efo llowing situations:
R The tyre pressure has changed.
R The wheels or tyres ha vebeen changed or
newly fitted. #
Press atobegin the new start.
The Tyre pressure now OK? message is
shown in the multifunction displa y. #
Select Yes. #
Press atoconfirm there start.
The Run Flat Indicator restarted message is
shown in the multifunction displa y.
Af teryo u ha vedriven for a few minutes, the
tyre pressu reloss warning sy stem monitors
th e set tyre pressures of all the tyres.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (→ page 389) Wheel
change Note
s on selecting, fitting and replacing
tyres Yo
u can ask for information rega rding permit ted
wheel/tyre combinations at a Mercedes-Benz
Service Cent re. 396
Wheels and tyres

Display messages
Int
roduction Note
s on display messages
Display messages appear in the multifunction
displa y.
Displ aymessa ges with graphic symbols are sim‐
plified in the Owner's Manual and may dif fer
from the symbols in the multifunction displa y.
The multifunction display sho wshigh-priority dis‐
play messages in red. Cer tain display messages
are accompanied byawa rning tone.
Please respond in accordance with the display
messages and follow the additional no tes in this
Owner's Manual. Information on
Idisplay messages can be dis‐
pla yed on the left-hand Touch Control.
Yo u can hide a number of the lo w-priority display
messages:
R bypressing Xon the left-hand Touch Control
R bypressing the% button
The display messages are then stored in the
messa gememor y.Re ctify the cause of a display
message as quickly as possible.
High-priority display messages cannot be hid‐
den. The multifunction display sho ws these mes‐
sages continuously until the cause forth e mes‐
sage has been rectified. Calling up
stored displ aymessages
On-boa rdcompu ter:
, Service .
1 message
If th ere are no display messages, No messages
appears in the multifunction displa y. #
Scroll thro ugh the display messages byswip‐
ing upwards or down wards on Touch Control
on the left-hand side of thesteering wheel. #
Toexitth e message memor y:press the
% button. Display messages and
warning/indicator lamps 423

Display messages
Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
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. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 451

Display messages
Possible causes/consequences and M
MSolutions
, Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key in the sma rtphone: only afew or no authorisations remain forst arting the
engine. #
Make sure that the Internet connection is not limited bycer tain mobile phone settings. #
Open the Mercedes me connect web App http://www.mercedes.me. and call up the "digital vehicle key in the
smartphone" service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
 Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery .
Â
Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in thestow age compartment . 464
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
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. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 493