check engine MERCEDES-BENZ E-CLASS WAGON 2018 Owner's Guide

Warning/indicator lamp
Possible causes/consequences and MSolutions
6
Restra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning.&
WARNING Risk of injury orfata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or airbag, forex am‐
ple.
#Ha ve there stra int sy stem checked and repaired immediately at a qualified specialist workshop.
#Drive on carefully.
#Obser vethe messages in the multifunction displa y.
#Visit a qualified specialist workshop immediatel y.
458
Display messages and warning/indicator lamps

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurr ed inthe engine, theex haust sy stem or the fuel sy stem.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow engine diagnosis warning lamp lights up.
#Ha ve theve hicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp The
red electri cal malfunction warning lamp is lit.
There is a malfunction in the electrics.#Obser vethe messages in the multifunction displa y.
8
Fuelreser vewarning lamp The
yellow fuel reser ve wa rning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking.#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
462
Display messages and warning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
#Check the coolant le vel .
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below there d area.
Display messages and warning/indicator lamps 465

Air Conditioning Malfunction See
Operator's Manual .............................. 442
App lyBrake toShift from 'P' ...............440
ÀAT TENTION ASSIST Inoperative ... 420
ÀAT TENTION ASSIS T:Take a
Break! .................................................. 420
bAu toLamp Function Inoperati ve
............................................................. 448
Au xilia ryBattery Malfunction ..............442
Blind Spot Assist Currently Una vaila‐
ble See Opera tor's Manual .................. 424
Blind Spot Assist Inoperative ............... 426
Blind Spot Assist Not Available When
To wing a Trailer See Operator's Man‐
ual ...................................................... .425
$Che ckBrake Fluid Le vel.............. .412
Check Coolant Le vel See Operator's
Manual ................................................ 430
4Check Engine Oil AtNext Refu‐
eling .................................................... 434 bChe
ckLeft Low Beam (e xam‐
ple) ...................................................... 447
hCheck Tire s ................................. 435
¥Check Washer Fluid .................... 446
ÁCom pressor Is Coolin g................ 422
?Coolant Too Hot Stop Vehicle
Tu rn Engine Off .................................... 431
Cruise Control Canceled ..................... 430
Cruise Control Inoperati ve.................. 430
!Cur rently Una vailable See Oper‐
ator's Manual ........
...
........................... 404
÷Cur rently Una vailable See Oper‐
ator's Manual ...................................... 405
ÂDon't Forget Your Key................ .439
ÁDrive More Slowly ....................... 422
Driver's Door Open & Transmission
No t in P Risk of Vehicle Rolling Away ..440
6Fr ont Left Malfunction Service
Re quired (e xamp le) .............................. 417 Fr
ont Passenger Airbag Disabled See
Operator's Manual ...............................4 18
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 19
8Fu el Level Low ............................ 434
8Gas Cap Loose ............................ 434
!Inoperative See Opera tor's
Manual ................................................4 03
÷Inopera tive See Operator's
Manual ................................................ 406
TInope rative See Operator's
Manual ................................................ 407
GInope rative ................................... 412
ÂKe yNo tDe tected (red displ ay
message )............................................ .439
ÂKe yNo tDe tected (white dis‐
play message ).................................... .439
6Left Side Cu rtain Airbag Mal‐
function Ser vice
R
e quired (e xample)..417
Index 47
7

Warning/indicator lamp
!ABS warning lamp ...................... .454
$Brake warning lamp (USA) .......... .452
JBrakes warning lamp (Canada) .... 452
?Coolant warning lamp ................ .464
·Dis tance warning lamp ................ 460
#Elect rical malfunction warning
lamp .................................................... 462
;Engine diagnosis warning lamp .. .462
åESP
®OFF warning lamp .............. 456
÷ESP®wa rning lamp flashes ........ .454
÷ESP®wa rning lamp lights up ...... .455
8Fu elreser vewarning lamp .. 462, 463
ÐPo werst eering sy stem warning
lamp .................................................... 461
éRBS warning lamp (USA/CND) .... 451
!Re d indicator lamp, elect ric
parking brake applied (Canada only) .. .457
FRe d indicator lamp, elect ric
parking brake applied (USA only) ........ 457 6Re
stra int sy stem warning lamp .. .458
7Seat belt warning lamp flashes .. .459
7Seat belt warning lamp lights
up ........................................................ 459
hTi repressure monitoring sys‐
te m wa rnin
g lamp flashes .................... 467
hTi repressure monitoring sys‐
te m wa rning lamp lights up ................ .466
!Ye llow elect ric park ing brake
indicator lamp is malfunctioning ........ .457
Wa rning/indicator lamps .......................449
Instrument display (o verview) .................. 8
Overview ............................................ .449
PA SSENGER AIR BAG ............................ 42
Wa rranty ................................................... .26
Wa sher fluid
see Windshield washer fluid
Wa shing byhand (care) .......................... 334
We ather information ............................... 281
We b br owser
Calling up a web page .......................... 301 Calling up options ...............................3
02
Calling up the settings ........................ .302
Deleting a bookmark ........................... 302
Deleting br owser data .........................3 02
Ending ................................................. 302
Managing bookmark s .......................... 302
Overview ..............................................3 01
Showing/hiding the menu .................. .301
We bsite
Calling up ....................................... ..... 301
Showin

g/hiding thewe b br ows er
menu ................................................... 301
Wheel chock ............................................ 383
Wheels Care .................................................... 336
Changing ............................................ .384
Changing hub caps .............................. 384
Checking ............................................ .360
Che cking the tire pressure (man‐
ually) ................................................... 364
Checking the tire pressure (tire pres‐
sure monitoring sy stem) ..................... .366
Che cking the tire temp erature (tire
pressure monitoring sy stem) ............... 366
Definitions .......................................... .377
502
Index