Page 183 of 286

Display messagesPossible causes/consequences andMSolutions
Blind SpotAssistCurrently Unavaila‐ble
See Operator' sMan‐ual
Blind Spot Assis tistemporarily inoperative. Possibl ecauses are:
Ryou hav eestablished th eelectrical connection between th etrailer
and your vehicle.
Rth es ensor sare dirty
Rfunction is impaire ddue to heav yrain or snow
Rther adar sensor system is outside th eoperating temperature
range.
Rth er adar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation
The yellow 9indicator lamp salso ligh tupint heexterio rmirrors.
XWhe ntow ingat railer ,confir mthedisplay message wit ha.
If you are drivin gwithout atrailer and th edisplay message does no t
disappear :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XApply th eparking brake.
XClean th esensor s(Ypage 234).
XRestart th eengine.
If th esystem detects that th esensor sare full yoperational, th edisplay
message disappears.
Blind Spot Assis tisoperational again .
Blind SpotAssist
Inoperative
Blind Spot Assis tisfaulty.
The yellow 9indicator lamp salso ligh tupint heexterio rmirrors.
XVisit aqualified specialist workshop .
DISTRONIC PLUS
Off
DISTRONICPLUSh as been deactivated (Ypage 132).
If it was deactivated automatically, awarning tone also sounds.
DISTRONIC PLU S
Now Available
DISTRONICPLUSiso perational again after having been temporarily
unavailable .You can no wreactivat eDISTR ONICPLUS(Ypage 132).
Display messages18 1
On-boardc omputer andd isplays
Z
Page 184 of 286

Display messagesPossible causes/consequences andMSolutions
DISTRONIC PLUS
Currently Unavaila‐ble See Operator' sManual
DISTRONICisdeactivated and temporarily inoperative. Possibl ecau-
ses are:
Rth eD ISTR ONICPLUSc over in th eradiato rtrimisd irty
Rfunction is impaire ddue to heav yrain or snow
Rthes ensor sinthebumpers are dirty.
Rther adar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation
Rthes ystem is outside th eoperating temperature range
Rthet ransfer cas eisintheLOW RANGE transmission position .
Rthev ehicl eisonanu phillorad ownhill slop eofmoret han
22‑25 %
Rtheo n-bo ardv oltag eistoolow.
Aw arning tone also sounds.
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XApply th eparking brake.
XClean th eDISTR ONICPLUSc over in th eradiato rtrima nd th e
bumper (Ypage 234).
XRestart th eengine.
If th esystem detects that th esensor sare full yoperational, th edisplay
message disappears.
DISTRONI CPLUSiso perational again .
DISTRONIC PLU S
Inoperative
DISTRONICPLUSism alfunctioning
BA S(anti-lock braking system) may also hav efailed.
Aw arning tone also sounds.
XVisit aqualified specialist workshop .
DISTRONIC PLUS
Suspended
You havedepressed th eaccelerato rpedal .DISTR ONICPLUSisn o
longer controllin gthe speed of th evehicle.
XRemove your foo tfromt heaccelerato rpedal .
DISTRONIC PLU S
---mph
An activation condition for DISTRONI CPLUSisn otfulfilled .
XCheckthe activation condition sfor DISTRONI CPLUS(Ypage 132).
Cruise Contro l
---mph
Aconditi on for activating cruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20m ph(30 km/ h),for example.
XIf condition spermit,d rive faster than 20 mph (30 km/ h)and store
th es peed.
XCheckt heactivation conditionsf or cruise control (Ypage 131).
182Displaymessages
On-boardc omputer and displays
Page 236 of 286

!Do not park your vehicle foralong period of
time directly after cleaning, particularlya fter
cleaning the wheel rim with wheel cleaner.
Wheel cleaner can lead to the increased cor-
rosion of the brake discs and pads. Therefore,
drive for afew minutes after cleaning. By
heating up the brakes, the brake discs and
pads dry. The vehicle can then be parked for a
long period of time.
Cleaning the windows
GWARNING
You could become trapped by the windshield wipers if they start moving while cleaning the
windshieldorw iper blades. There is arisk of
injury.
Alwayss witch off the windshieldw ipers and
the ignition before cleaning the windshieldo r
wiper blades.
!Do not use dry cloths, abrasive products,
solvents or cleaning agents containing sol-
vents to clean the inside of the windows. Do
not touch the insides of the windows with
hard objects, e.g. an ice scraper or ring. There
is otherwise arisk of damaging the windows.
!Cleant he water drainage channels of the
windshielda nd the rear window at regular
intervals. Deposits such as leaves, petals and pollen may under certain circumstances pre-
vent water from draining away. This can lead
to corrosion damage and damage to elec-
tronic components.
XCleant he inside and outside of the windows
with adamp cloth and acleaning product that
is recommended and approved by Mercedes-
Benz.
Cleaning wiper blades
GWARNING
You could become trapped by the windshield wipers if they start moving while cleaning the
windshieldorw iper blades. There is arisk of
injury.
Alwayss witch off the windshieldw ipers and
the ignition before cleaning the windshieldo r
wiper blades.
!Do not pull the wiper blade.O therwise, the
wiper blade could be damaged.
!Do not clean wiper bladest oo often and do
not rub them too hard. Otherwise, the graph-
ite coating could be damaged. This could
cause wiper noise.
!Hold the wiper arm securely when folding
back. The windshieldc ould be damagedifthe
wiper arm smacks against it suddenly.
XFold the windshieldw iper arms awayfrom the
windshield.
XCarefully clean the wiper bladesw ithadamp
cloth.
XFold the windshieldw iper arms back again
before switching on the ignition.
Cleaning the exterior lighting
!Only use cleaning agents or cleaning cloths
which are suitablef or plastic light lenses.
Unsuitable cleaning agents or cleaning cloths
could scratch or damage the plastic light len- ses.
XCleant he plastic lenses of the exterior light-
ing using awet sponge and amild cleaning
agent, e.g. Mercedes-Benz car shampoo or
cleaning cloths.
Cleaning the mirror turns ignals
!Only use cleaning agents or cleaning cloths
that are suitablef or plastic lenses. Unsuitable
cleaning agents or cleaning cloths could
scratch or damage the plastic lenses of the
mirror turn signals.
XCleant he plastic lenses of the mirror turn sig-
nals in the exterior mirror housing using awet
sponge and mild cleaning agent, e.g.
Mercedes-Benz car shampoo or cleaning
cloths.
Cleaning the sensors
!If you clean the sensors with apower
washer, make sure that you keep adistance
of at least 11.8 in (30 cm) between the vehicle
and the power washer nozzle. Information
aboutt he correct distance is available from
the equipment manufacturer.
234Care
Maintenance and care