engine MERCEDES-BENZ E-CLASS COUPE 2018 Service Manual

Operating cruise control
&WARNING Risk of accident due to
unkno wnstored speed
If yo u call up thestored speed and this is
lo we rth an your cur rent speed, theve hicle
decelerates.
If yo udo not kn owthestored speed, the
ve hicle could decelerate unexpectedl y.
#Take into account the tra ffic situation
before calling up thestored speed.
#If th estored speed is not known, store
th e desired speed again.
Change into a lo werge ar in good time on long
and steep downhill gradients. Take particular
no te ofthis when driving a laden vehicle. By
doing so, youwill make use of the braking ef fect
of the engine. This relie vesth e load on the brake
sy stem and pr events the brakes from overheat‐
ing and wearing tooqu ickl y.
Re quirements
RCruise control is selected.
RESP®must be switched on, but not inter ven‐
ing.
RThe driving speed must be at least15mp h
(20 km/h).
#St ore cur rent speed 2(once af terst arting
th eve hicle).
or
#Call up stored speed 2.
#Deactivate cruise contro l1.
#Press the le ver brief ly:th estored speed is
increased 3orreduced
4 by1mp h (1 km/h).
or
#Press the le ver be yond the pressure point:
th estored speed is increased 3orreduced
4 by5mp h (10 km/h).
Driving and parking 16
1

RIf Distance Pilot DISTRONIC is deacti va‐
te d with the cruise control le ver,fo r
ex ample byave hicle occupant or from
outside theve hicle.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
RIf th e battery is disconnected.
RIfth eve hicle is accelerated, forex ample
by ave hicle occupant.
#Alw ays deactivate Dis tance Pilot
DISTRONIC and secu retheve hicle to
pr eve nt it from rolling away before you
lea vethe driver's seat.
&
WARNING Risk of accident due to
unkno wnstored speed
If yo u call up thestored speed and this is
lo we rth an your cur rent speed, theve hicle
decelerates.
If yo udo not kn owthestored speed, the
ve hicle could decelerate unexpectedl y.
#Take into account the tra ffic situation
before calling up thestored speed.
#If th estored speed is not known, store
th e desired speed again.
&
WARNING Risk of accident due tounex‐
pecte d acceleration byDis tance Pilot
DISTRONIC
If Dis tance Pilot DISTRONIC no longer
de tects a vehicle in front, it may unexpect‐
edly accelerate tothe speed stored.
RThis speed may be too high for a turning
lane or an exit lane.
RIf driving in theright lane, this speed may
be so high that you pass vehicles driving
on the left (in count ries where tra ffic
drives on theright).
RIf driving in the left lane, this speed may
be so high that you pass vehicles driving
on theright (in countri es where traffic
drives on the left).
Alw ays carefully obser vethe tra ffic condi‐
tions and be ready tobrake at all times.
&
WARNING Risk of accident due toDis‐
ta nce Pilot DISTRONIC pulling away auto‐
matically
If Dis tance Pilot DISTRONIC pe rforms an
automatic driving-off procedure, theve hicle
may accelerate unexpectedl y.
Where necessar y,brake theve hicle yourself
and take evasive action.
&
WARNING Risk of accident due toSpeed
Limit Pilot adapting theve hicle's speed
The speed adop tedby the Speed Limit Pilot
may be too high or incor rect in some individ‐
ual cases, such as:
RInthewe t or in fog
RWhen towing a trailer
Ensure that the driven speed complies with
traf fic re gulations.
16 6
Driving and pa rking

RequirementsRThe vehicle's engine or must be switched on.
RThe electric parking brake must be released.
RPa rking Pilot is not being used topark the
ve hicle or toexit from a parking space.
RESP®must be switched on, but not inter ven‐
ing.
RThe transmission must be in positionD.
RThe driver door, front passenger door and the
re ar doors must be closed.
RThe engine hood must be closed.
#Re mo veyour foot from the accelerator pedal.
#To store cur rent speed 2.
Yo ur vehicle adapts its speed tothat of the
ve hicle in front, but only up tothestored
speed.
or
#To call up stored speed 2.
#OrOn vehicles with Driving Assistance
Pa ckage and Traf fic Sign Assis t:The dis‐
pla yed speed limit is adop ted, if available 2.
#Todeactivate Dis tance Pilot DISTRONIC 1.
#Toinc rease 3orreduce 4the speed.
Driving and parking 16
7

messagetoremind youto take control of the
ve hicle.
The warning message does not appear or disap‐
pears if one of thefo llowing conditions are me t:
RThe driversteers theve hicle.
RThe driver presses a steering wheel button or
operates Touch Control.
Fu nction of Active Eme rgency Stop Assist
If th e driver continues toigno rethe acoustic
wa rning of theAc tive Lane Change Assi st, Dis‐
ta nce Pilot DISTRONIC reduces the speed. If the
driver still does not respond, theve hicle is decel‐
erated in stages toast andstill.
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
RSt eering
RBraking or accelerating
RPressing a steering wheel button or operat‐
ing Touch Control
RAc tivating or deacti vating Steering Pilot or
Dis tance Pilot DISTRONIC The driver must
beready totake control of the
ve hicle at any time.
Information on Hill Start Assist
Hill Start Assist holds theve hicle when pulling
aw ay on a hill under thefo llowing conditions:
RThe transmission is in position hork.
RThe elect ric park ing brake is released.
&
WARNING Risk of accident and injury
caused bytheve hicle rolling away
Af ter a short time, Hill Start Assist no longe r
holds theve hicle and it can rollaw ay.
#Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist.
HOLD function
HOLD function
The HOLD function holds theve hicle at a stand‐
st ill without requ iring youto depress the brake pedal, such as when pulling
away on steep
slopes.
Sy stem limits
The incline must not be greaterth an 30%.
Ac tivating/deactivating the HOLD function
&
WARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
RIf th ere is a malfunction in the sy stem or
in the po wer supp ly.
RIf th e HOLD function is deactivated by
depressing the accelera tor pedal or the
brake pedal, e.g. byave hicle occupant.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with.
RIf th e battery is disconnected.
Driving and parking 17
1

#Always deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle.
* NO
TEDama gefrom au tomatic braking
IfAc tive Brake Assi st, Dis tance Pilot
DISTRONIC or the HOLD function is activa‐
te d, theve hicle brakes automatically in cer‐
ta in situations.
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations:
#During towing
#In a car wash
RequirementsRThe vehicle is stationar y.
RThe driver's door is closed or the seat belt on
th e driver's side is fastened.
RThe engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function.
RThe electric parking brake is released.
RDis tance Pilot DISTRONIC is not acti vated.
RVe hicles with automatic transmission:
The transmission is in position h,kori.
Ac tivating the HOLD function
#Dep ress the brake pedal and af ter a short
time depress fur ther until theë display
appears in the multifunction displa y.
#Release the brake pedal.
Deactivating the HOLD function
#Depress the accelerator pedal topull away.
or
#Depress the brake pedal until theë dis‐
play disappears from the multifunction dis‐
pla y.
The HOLD function is deactivated in thefo llow‐
ing situations:
RIf Dis tance Pilot DISTRONIC has been acti va‐
te d.
RVe hicles with automatic transmission:
When transmission position jis selected.
RWhen theve hicle is secured with the electric
parking brake. In
thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
RWhen the seat belt is unfas tened and the
driver's door is opened.
RWhen the engine is switched off.
RWhen there is a malfunction in the sy stem or
if th e po wer supp lyis insuf ficient.
DY NA MIC BODY CONT ROL
DYNA MIC BODY CONTROL has thefo llowing
ch aracteristics:
RVa riable damping characteristics
RContinual adjustment of the damping forc es
The damping characteristics adapt tothe cur rent
operating and driving situation.
The da mping is tuned individually for each wheel
and is af fected bythefo llowing factors:
RThe road sur face conditions
RThe drive program selected
RVe hicle load
17 2
Driving and pa rking

#When leavingtheve hicle, make sure
th at nobody is in the vicinity of the
wheel ar ches or the underbody.
Re quirementsRThe vehicle's engine or must be switched on.
RThe vehicle must not be moving fasterthan
37 mph (60 km/h). Ra
ising theve hicle
#Press button 1.
Indicato r lamp2lights up.
The vehicle is raised by0.6 in (15 mm) com‐
pared with the normal le vel.
Yo ur selection issave d. The
vehicle is lo wered again in thefo llowing sit‐
uations:
RWhen driving fasterthan 50 mph (80 km/h).
RWhen driving between 37mph (60 km/h)
and 50 mph (80 km/h) for app roxima tely
th re e minutes.
RAf ter selecting a drive program using the
DY NA MIC SELECT switch.
The vehicle is adjus tedto the height of the last
active drive program.
Lo weri ngtheve hicle
#Press button 1.
Indicato r lamp2goes out. The vehicle is
adjus tedto the height of the last active drive
program.
Driving and parking 17
5

Vehicles with 360° Camera
1Parking Assist PARKTRONI Cis on ly oper a‐
tional in the front and rear
2Pa rking Assist PARKTRONI Cis operational
and can also warnthe driver about obs tacles
at the side of theve hicle
3Obs tacle de tected at the front right (orange)
and rear (red)
When youswit choff the ignition, thestored
obs tacles are del eted. Af terth e engine is restar‐
te d, obs tacles must be de tected again, before a
new warning can be issued. Sy
stem limitations
The sy stem limitations forPa rking Assist
PA RKTRONI Cappl yfo r passive side impact pro‐
te ction.
Objects placed next totheve hicle, or pedes‐
trians who approach the side of theve hicle will
not be de tected.
Deacti vating/acti vating PARKTRONIC
* NO
TERisk of an accident from objects
at close range
Pa rking Assist PARKTRONI Cma yno tde tect
cer tain objects at close range.
#When pa rking theve hicle, pay particular
attention toany objects which are
abo veor below the sensors, e.g. flowe r‐
pots or dr awbars. The vehicle or other
objects could otherwise be damaged.
If indicator lamp 1is not lit, Parking Assist
PA RKTRONI Cis active. If the indicator lamp is lit
or theé symbol appears in the multifunction
displa y,Pa rking Assist PARKTRONI Cis no t
active.
#Press but ton2.
% Depending on theve hicle's equipment, the
button may also be located in the center
console.
% Parking Assist PARKTRONI Cis automatical ly
activated when theve hicle is star ted.
17 8
Driving and pa rking

Activating/deactivating maneuvering assis‐
tance
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.3DUNLQJ
3LORW.0DQHXYHULQJ $VVLVW
#Ac tivate Oor deacti vate ª the function.
AT TENTION ASSIST
Fu nction of ATTENTION ASSIST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on free ways and trunk roads.
If AT TENTION ASSIST de tects indicators of fati‐
gue or increasing lapses in concentration on the
part of the driver, it suggests taking a brea k.
AT TENTION ASSIST is only an aid. It cann ot
alw ays de tect fatigue or lapses in concentration
until too late. The sy stem is not a substitute for a
we ll-res ted and attentive driver. On long jour‐
ne ys,tak ere gular breaks in good time that allow
fo r ade quate recuperation.
Yo u can choose between two settings.
RStandard: normal sy stem sensitivity
RSensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d accordingly.
If dr owsiness or inc reasing lapses in concentra‐
tion are de tected, the$77(17,21 $66,67 7DNH
D %UHDN warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
ta ke a break where necessar y.Ifyo u do not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes.You can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
RThe length of the journey since the last
break.
RThe attention le vel de term ined byATTENTION
ASSIS T.
If AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
6\VWHP 6XVSHQGHG messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐
tion tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, theé
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored.
Driving and parking 19
5

System limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h(2 00 km/h) speed range.
The functionality of ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:
RIf yo u ha vebeen driving for less than 30
minutes.
RIf th ero ad condition is poor (une venro ad
sur face or po tholes).
RIfth ere is a strong side wind.
RIfyo u adopt a sporty drivingst yle (high cor‐
nering speeds or high rates of acceleration).
RIfth eSt eering Pilot function of Dis tance Pil ot
DISTRONIC is acti ve.
RIfth e time has been set incor rectly.
RIn acti vedriving situations, if youch ange
lanes and vary your speed frequentl y.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
RIf yo uswit choff the engine.
RIfyo u unfas tenyo ur seat belt and open the
driver's door (e.g. change drivers or take a
break).
Ac tivating/deactivating ATTENTION ASSIST
Multimedia sy stem:
,9HKLFOH.k $VVLVWDQFH.$77(1
7,21 $66,67
Selection options
#Select 6WDQGDUG, 6HQVLWLYHor2II.
Traf fic Sign Assist
Fu nction of Traf fic Sign Assist
Tr af fic Sign Assist detects traf fic signs wi thmul‐
tifunction camera 1and assist syo uby display‐
ing de tected speed limits and overtaking restric‐
tions in the instrument clus ter.The camera also
de tects traf fic signs wi thare striction indicated
by an additional sign (e.g. in wet conditions).
196
Driving and pa rking

*NO
TEEngine damage duetoexcessively
high engine speeds
The engine will be damaged if youdriv ewit h
th e engine in theov errevving range.
#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 band in tach ome ter3
(o ve rrev ving range) is reached.
During no rmal operating conditions, coolant
te mp erature display 4may rise to248 °F
(120 °C).
& WARNING Danger of burn s when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine
compartment, you could come into contact
wit h hot gases or other escaping operating
fl uids.
#Before opening the hood, allow the
engine tocool down.
#Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and
call thefire service.
Overview of the butto ns onthest eering
wheel
1But ton group:
% Main menu and ba ckbutton (on-board
computer)
8 Switches sound off/on
W Increases thevo lume
X Decreases thevo lume
2Touch Control (on-board co mputer)
3Touch Control (multimedia sy stem)
4Button group:
% Main menu and back button (multime‐
dia sy stem)
ó Voice Cont rol Sy stem
6 Makes/accepts a call
~ Rejects/ends a call
Ope rating the on-board co mputer
&
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tions equipment integ rated in theve hicle
when driving, youwill be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle.
#Only operate this equipment when the
traf fic situation permits.
206
Instrument Display and on-board compute r