2016 MERCEDES-BENZ E-CLASS SALOON engine

Display messages
Possible causes/consequences and M
MSolutions
Air conditioning Malfunc-
tion See Owner's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode. #
Have the climate control sy stem checked at a qualified specialist workshop.
_ Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmission: the electric steering lock was unable tounlo ckthesteering. #
Switch the ignition off. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on.
Ð Steering malfunction See
Owner's Manual *
Ve hicles with manual transmission: the electric steering lock is malfunctioning. The steering may be loc kedby
th e electric steering loc k. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
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. #
Consult a qualified specialist workshop. #
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. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 485

Display messages
Possible causes/consequences and M
MSolutions
& inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. #
Drive a long dis tance until the battery has reached a suf ficient charge leve l again.
& inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. #
Refuel theve hicle.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop. 488
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
M *T
he engine bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Pull over and stop theve hicle safely as soon as possible. #
Close the engine bonn et.
C *A
t least one door is open. #
Close all doors. Displ
aymessa ges and warning/indicator lamps 489

Display messages
Possible causes/consequences and M
MSolutions
N *T
he boot lid is open. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
_ Example:Rear left seat
backrest not locked *T
he cor responding seat backrest of there ar ben chseat is not engaged. #
Foldthe cor responding seat backrest back until it engages.
¥
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid . 490
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is temp orarily una vailable.
The sy stem borders ha vebeen reached (→ page128). #
Drive on.
When the causes no longer appl y,the sy stem will be available again. The Adaptive Highbeam Assist Plus availa-
ble again display message appears.
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual *T
he camera view is reduced. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
When the causes no longer appl y,driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems per form a self-test when the igni‐
tion is switched on. Some warning and indicator
lamps may briefly light up or flash. This behav‐ iour is non-critical. These
warning and indicator
lamps only indicate a malfunction if they light up
or flash af terth e engine is star ted or during a
journe y. Displ
aymessa ges and warning/indicator lamps 493

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting (widescreen cockpit) If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the position
of the indicator lamps in the instrument display
ch anges.
Wa rning and indicator lamps:
L Dipped beam (→
page123)
T St
anding lights (→ page123)
K Main beam (→
page125)
#! Tu
rn signal light (→ page125)
R Re
ar fog light (→ page123) ü
Seat belt is not
fastened
(→ page 501)
J Brakes (red) (→
page 495)
! ABS malfunction (→
page 495)
÷ ESP®
(→ page 495)
å ESP®
OFF (→ page 495)
! Elect
ric pa rking brake(→ page 495)
Ð St
eering assis tance malfunction
(→ page 503)
# Electrical
fault (→ page 505)
6 Re
stra int sy stem (→ page 495)
; Engine diagnosis (→
page 505)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (→ page 505)
? Coolant
too hot/cold (→ page 505)
· Dis
tance warning (→ page 502)
% Preglow
h Ty
re pressure monitoring sy stem
(→ page 508)
j Tr
ailer hit chis not operational or is
swivelling (→ page 503)494
Display messages and warning/indicator lamps

Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp The
yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, please obse rveth is. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 495

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Thereis a risk of an accident if brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, the wheels may lock when braking. Braking characteristics may be
impaired. The braking dis tance may increase in an eme rgency braking situation. #
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. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
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. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. 496
Display messages and warning/indicator lamps