Page 383 of 497
Pe
rm issible rear axle load during trailer
operation Axle load
Model
Axle load
E 18 01 335kg
E 200, manual trans‐
mission 13
40 kg
E 200, au tomatic
transmission
E 250
E 200 4MATIC 13
45 kg
E 200 d
E 220 d 13
75 kg
E 220 d 4MATIC 1365 kg
E 300
E 300 d 13
70 kg Model
Axle load
E 350 d
E 400 4MATIC 14
00 kg
E 350 d 4MATIC 1385 kg 380
Tech nical da ta
Page 406 of 497

Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem borders ha vebeen reached (→ page 239). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable. #
Press the left-hand side of touch cont rol and ackn owledge the display message.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable. #
Press the left-hand side of touch cont rol and ackn owledge the display message.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 403
Page 426 of 497
Display messages
Possible causes/consequences and M
MSolutions
 Place the key in the
marked space See Owner's
Manual *T
hekey de tection function is malfunctioning. #
Change the location of theke y in theve hicle. #
Start theve hicle with theke y in thestow age compartment . Ve
hicle Display messages
Possible causes/consequences and M MSolutions
j Trailer coupling extending… *R
etra ct or extend the ball nec k.
Do not attem pttospeed up, slow down or initiate there tracting or extending process using your hand, foot or other
aids. During there tracting or extending process, do not couple a traile r.
When the ball neck has reached an operational position, the display message disappears. Display messages and
warning/indicator lamps 423
Page 427 of 497

Display messages
Possible causes/consequences and M
MSolutions
j Check trailer hitch lock *T
he trailer hitch is not operational when you are driving with a trailer. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Uncouple the trailer and safeguard it against rolling away. #
Initiate a new swivelling procedure . #
Ifth e ball neck is extended, press and hold the button on the boot lid until the ball neck engages beneath the
bumper. #
When the display message disappears, couple up the trailer and drive on. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer hitch is defective and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
The trailer hitch is not operational when theve hicle is at a standstill. 424
Display messages and warning/indicator lamps
Page 428 of 497

Display messages
Possible causes/consequences and M
MSolutions #
Uncouple the coupled trailer and safeguard it against rolling away. #
Initiate a new swivelling procedure . #
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. #
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer hitch is defective and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
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.
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.
Risk of vehicle rolling
Driver door open and trans-
mission not in P *
The driver's door is not fully closed and the transmission is in position k,iorh. #
Shift the transmission toposition jwhen you park theve hicle. Display messages and
warning/indicator lamps 425
Page 439 of 497
Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary .
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Switch on headlamps *Y
ou are driving without dipped-beam headlamps. #
Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. #
Consult a qualified specialist workshop. 436
Display messages and warning/indicator lamps
Page 452 of 497
Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
j Tr ailer hit chwarning lamp The
red trailer hitch warning lamp is on.
The trailer hitch is not operational or swivels. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Obser vethe messages in the multifunction displa y.
If th e trailer hitch swivels: #
Wait until the ball neck has reached the operational position. Display messages and
warning/indicator lamps 449
Page 467 of 497

Setting
for abroad ................................ 127
DIRECT SELECT le ver............................... 172
Engaging drive position ........................ 173
Engaging pa rkposition automatically .. 173
Engaging reve rsege ar ........................ .173
Fu nction ............................................... 172
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173
Display Care .................................................... .319
Display (multimedia sy stem)
No tes ................................................... 264
Settings ............................................... 273
Switching off ....................................... 273
Display (on-boa rdcompu ter)
Displ ays in the multifunction display ... 255
Display content (Additional value range) ....................... 254
Displ aymessage ...................................... 381
Calling up (on-board compu ter) ........... 381
No tes ................................................... 381
Display messages ? ................................................... 41 5C
................................................... 433
M ................................................... 433
N ................................................... 434
# .................................................... 408
¯ .................................................... 405
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........403
Ac tive Blind Spot Assi stinope rative .... 403
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 403
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 432
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 393
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 394
Ac tive Dis tance Assi stavailable
again .................................................. .404 Ac
tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........404
Ac tive Dis tance Assi stinope rative ...... 404
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 402
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........401
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 401
b Active Light Sy stem inopera‐
tive ...................................................... 435
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 404
è Active Steering Assist cur rently
una vailable See Owner's Manual .........405
è Active Steering Assist inopera‐
tive ...................................................... 405
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual ... 438464
Index