engine overheat MERCEDES-BENZ E-CLASS SALOON 2016 User Guide

Display messages
Possible causes/consequences and M
MSolutions
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, manually set the transmission toposition jbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake.
Depress clutch fully to
start engine *Y
ou ha veattem ptedto start the engine without depressing the clutch pedal. #
Depress the clutch pedal and then start the engine.
The engine has stalled while pulling away, e.g. because the clutch pedal wasre leased tooqu ickl y. #
Dep ress the clutch pedal again.
The engine starts automaticall y. #
Slowly release the clutch pedal topull away.
Clutch overheated Avoid
pulling away for XX:XX mins *T
he clutch is under considerable load and is overheating.
Av oid frequent pulling away and driving at walking pace over longer dis tances. #
Stop theve hicle, paying attention toroad and traf fic conditions and le avethe engine running.
The clutch is cooled more quickly when the engine is running.
or #
If possible, continue driving at a steady speed and remo veyour foot from the clutch pedal. Do not ride the
clutch.
The clutch is cooled while driving.
When the clutch has cooled down, the display message disappears. 484
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. 506
Display messages and warning/indicator lamps

Ac
tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 458
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........457
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 457
bAc tive Light Sy stem inoperative .. 491
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 493
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .493
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .492
4Ad d 1 litre engine oil when next
re fuelling ............................................. 469
Air conditioning Malfunction See
Owner's Manual .................................. 485 Apply brake
todeselect Park (P)
position ...............................................4 81
À ATTENTION ASSIST inoperative ... 454
ÀAT TENTION ASSIS T:Take a
break! .................................................. 454
bAU TOlights inope rative ............... 492
Au xilia rybattery malfunction .............. 484
_Before starting the engine, turn
th esteering wheel. .............................. 485
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 459
Blind Spot Assist inope rative ............... 459
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 62
Brake immediate ly............................... 447
 Changekey bat teries ...................4 78
Ø Check AdBlue See Owne r’s
Manual ................................................ 470
J Check brake fluid le vel................ 4474
Check eng. oil le v.when next
re fuelling ............................................. 467
jChe cktrailer hitch lo ck............... 481
hCheck tyre(s) ............................... 474
! Clean the fuel filter ...................... 472
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .484
É Compressor is cooling .................457
? Coolant Stop vehicle Switch
engine off ............................................ 465
Cruise contro l and Limiter inope ra‐
tive ....................................................... 461
Cruise control inope rative ................... 463
Cruise control off ................................. 461
!cu rrently unavailable See Own‐
er's Manual ........................................ .438
÷cur rently una vailable See Own‐
er's Manual ........................................ .440
Depress clutch ful lyto start engine .....4 84
Dis tance Pilot available again .............. 460 Index
519