
Display messages
Possible causes/consequences and M
MSolutions
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page217). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. #
If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning.
Active Lane Keeping Assist
Camera view restricted
See Owner's Manual *T
he camera view is restricted.
Po ssible 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.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean the windscreen. 462
Display messages and warning/indicator lamps 

Display messages
Possible causes/consequences and M
MSolutions
Active Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *A
ctive Parking Assist and Parking Assist PARKTRONIC are malfunctioning. #
Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine. #
Ifth e display message continues tobe displa yed, consult a qualified specialist workshop. Engine
Display messages
Possible causes/consequences and M MSolutions
# See Owner's Manual *T
he battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Consult a qualified specialist workshop.
! Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 463 

Display messages
Possible causes/consequences and M
MSolutions
Ø Top up AdBlue Perf.
reduced: XXX km/h No
start in XXX km *
The low AdBlue ®
leve l will lead tolimited per form ance abo vethe speed displa yed.
Af terth e displa yedre maining dis tance has been co vered, it will no longer be possible tostart the engine. #
Top up AdBlue ®
immediately (/ page 166).
Ø
Top up AdBlue Perf.
reduced in XXX miles See
Owner's Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been driven. #
Top up AdBlue ®
immediately (/ page 166). Tr
ansmission Display messages
Possible causes/consequences and M MSolutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toposition iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 471 

Display messages
Possible causes/consequences and M
MSolutions
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
To shift out of P or N,
depress brake and start
engine *
Yo u ha veattem ptedto shift the transmission out of position jori into ano ther transmission position. #
Depress the brake pedal. #
Start the engine.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position. #
Depress the brake pedal.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. #
When the transmission is in position h, consult aqualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop. 472
Displaymessa ges and warning/indicator lamps 

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure (/ page 409) andthe tyres.
h
Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the wheels is too
great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem (/ page412). Displ
aymessa ges and warning/indicator lamps 475 

Key
Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page142).
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in the slot (/ page142). 478
Displaymessa ges and warning/indicator lamps 

Media sear
ch....................................... 340
Overview ............................................. 336
Pa use and playback function .............. .337
Selecting a track ................................. 337
Selecting pl ayback options .................. 337
Switching on media mode ...................3 35
Tr ack list .............................................. 337
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ..........................11 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 14 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 14 8
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff Au
tomatic front passen ger front air‐
bag shu toff .......................................... 39, 40
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 39
PA SSENGER AIR BAG indicator lamp .... .40
Au tomatic lateral support adjustment
Setting ................................................... 92
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .130
Au tomatic transmission
DIRECT SELECT le ver ........................... 15 3
Drive program display .......................... 151
Drive programs .................................... 15 0
DY NA MIC SELECT switch .................... 15 0
Engaging drive position ....................... 15 5
Engaging neutral .................................. 154
Engaging pa rkposition ........................ 154
Engaging reve rsege ar ........................ .154
Kickdown ............................................. 15 6
Manual gear changing ........................ .155
St eering wheel gearshift paddles ........ 15 5
Tr ansmission position display .............. 15 3
Tr ansmission positions ........................ 15 3Au
tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 427
Tr ailer operation .................................. 441 B
Bag hook .................................................. 107
BA S (Brake Assist Sy stem) .................... .179
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 13 8
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 400
Charging .............................................. 399
No tes .................................................. 396
No tes (s tarting assis tance and
ch arging) ............................................ .397
Re placing ............................................ 400
St arting assis tance .............................. 399
Belt see Seat belt 508
Index 

Limiter passive
..................................... 461
LO W RANGE Deactivate dif fere ntial
lo ck s ....................................................4 82
LO W RANGE Malfunction ..................... 483
LO W RANGE Malfunction Topar k,
apply parking brake .............................483
LO W RANGE Max. speed 10km/h ...... 484
LO W RANGE Max. speed 20 km/h ...... 484
LO W RANGE Max. speed 40 km/h ...... 483
LO W RANGE Max. speed 70 km/h ...... 483
LO W RANGE Shift toposition N
brief ly.................................................. 483
LO W RANGE Shifting cancelled
Please reactivate ................................ .484
LO W RANGE Stop Apply parking
brake ................................................... 482
bMalfunction See Owner's Man‐
ual .......................................................4 89
Max. speed 6 mph (yellow display
message) ............................................. 485 ðMaximum speed
exceeded ..........4 61
Mercedes me connect Services limi‐
te d See Owner's Manual .....................454
N permanently active Risk of vehicle
ro lling .................................................. 472
ç Off............................................... 459
ëOff ............................................... 457
Only select Park (P) when vehicle is
st ationary ............................................ 473
! Parking brake See Owner's
Manual ................................................ 444
Á Place theke y in the mar ked
space See Owner's Manual .................479
PRE-SAFE inoperative See Owner's
Manual ................................................ 453
Ra dar sensors dirty See Owner's
Manual ................................................ 448
h Rectify tyre pressure ...................475
Re duce speed ...................................... 477Ø
Refill Ad Blue Eng. start not pos‐
sible .................................................... 469
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................4 69
!Re lease parking brake .................446
¸Re place air cleaner ...................... 464
ÁRe placekey ................................ .478
8 Reser vefuel le vel........................ 466
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 455
Re versing not poss. Consult work‐
shop ....................................................4 73
Risk of vehicle rolling Driver door
open and transmission not in P ...........473
# See Owner's Manual ................... 463
Speed limit (winter tyres) XXX km/h ... 461
ÐSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 486
ÐSt eering malfunction Stop
immediately See Owner's Manual .......485 516
Index