2021 MERCEDES-BENZ E-CLASS ESTATE trailer

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ï
Operation only possible in
transmission position P *T
he ball neck will not swivel because transmission position h,kor neutral iis selected. #
Depress the brake pedal. #
Engage park position j.
ï Trailer coupling extending… *T
he ball neck is retracting/extending.
Do not attem pttospeed up, slow down or initiate the swivel mo vement using your hand, foot or other aids. During the
swivel mo vement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear.
ï Check trailer hitch
lock (white display message) *T
he trailer hitch is not operational during a jou rney with a trailer. &
W WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Initiate a new swivel mo vement (/ page 288). #
When the display message disappears, couple up the trailer and drive on. Display messages and
warning/indicator lamps
469
469

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If th e display message does not disappear, the trailer hitch is malfunctioning 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 unloc ked
ball nec k. #
Consult a quali/ed specialist workshop.
*W hen theve hicle is stationary with a coupled trailer, the trailer hitch is not operational. #
Uncouple the coupled trailer and secure it against rolling away. #
If t If the ball nec he ball nec k has been re
k has been retr
tract
act ed:
ed: initiate a new swi vel mo vement (/ page 288).
The ball neck will engage vertically in the loc ked position and then engage beneath the bumper. #
If t
If the ball nec
he ball nec k has been e
k has been e xt
xtended:
ended: initiate a new swivel mo vement (/ page 288).
The ball neck will engage beneath the bumper.
If th e display message does not disappear, the trailer hitch is malfunctioning 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 unloc ked
ball nec k. #
Consult a quali/ed specialist workshop.
Head-up display currently
unavailable See Owner's
Manual *T
he head-up displ ayistemp orarily una vailable. Possible causes:
R malfunctions in the po wer supply
R signal inter fere nce #
Stop in accordance with the tra1c conditions and switch theve hicle o. and on again. 470 470
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 259).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you establish the electrical connection tothe trailer, Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 259). Displ
aymessages and warning/indicator lamps
491 491

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you establish the electrical connection tothe trailer, Active Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 262).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on 492 492
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
¢
Lowering *T
hevehicle le vel will lo werfo rth efo llowing reasons:
R You ha veselected a di.erent drive prog ram.
R You ha veexceeded the speed limit.
R You ha vechanged theve hicle le velby pressing the button.
É Vehicle rising *Y
our vehicle is adjusting tothe le velyo u ha veselected.
É Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
É
Please reduce speed *A
ll v
All v ehicles ex
ehicles excep
cep t all-t
t all-t err
errain v
ain v ehicles:
ehicles:
Yo u are driving toofast forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greater than 60 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 30 km/h. 496
496
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
É
Compressor is cooling *A
ll-
All- T
Terr
err ain v
ain v ehicles:
ehicles: duetofrequent le velch anges within a short space of time, the compressor /rst needs tocool
down forth e selected vehicle le velto be set. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is su1cient ground clearance.
When the compressor has cooled down, theve hicle will continue rising tothe selected vehicle le vel.
É Max. speed 35 km/h (white
display message) *A
ll-
All- T
Terr
err ain v
ain v ehicles:
ehicles: the display message tells you, in drive prog ram G (O.road +), not todrive quicke rth an
35 km/h. #
In drive prog ram G (O.road +), do not drive quicke rth an 35 km/h.
É
Max. speed 35 km/h (red
displ aymessage) *A
ll-
All- T
Terr
err ain v
ain v ehicles:
ehicles: you are driving too quickly forth eG drive prog ram (O.road +). #
In drive prog ram G (O.road +), do not drive quicke rth an 35 km/h.
É
Please reduce speed *A
ll-
All- T
Terr
err ain v
ain v ehicles:
ehicles: you are driving too quickly forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greater than 35 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 30 km/h. Displ
aymessages and warning/indicator lamps
497
497

Ins
Ins
tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown.
Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 519)
ü Seat belt (/ page 519)
_ Reduced po wer (/ page 520)
Ú System error (/ page 520)
# Electricalfault (/ page 520)
ï Trailer hitch (/ page 521)
Ù Powe r steering (/ page 521) ÿ
Coolanttemp erature (/ page 523)
; Engine diagnostics (/ page 523)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 523)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 523)
! Electric parking brake (red)
(/page 526)
! Electric parking brake (yellow)
(/page 526)
J Brakes (yellow) (/ page 526)
J Brakes (red) (/ page 526)
L Distancewarning (/ page 528)
Ó Active Brake Assist (/ page 528)
ê Active Brake Assist (/ page 528)
ä AIR BODYCONTROL (/ page 528)
! ABS (/page 529)
÷ ESP®
(/ page 529)
å ESP®
OFF (/ page 529) h
Tyre pressure monitoring system
(/ page 532)
T Standing lights (/ page 142)
L Low beam (/ page 142)
K High beam (/ page 144)
#! Turn signal lights (/ page 144)
R Rear fog light (/ page 142) 518 518
Display message
s andwarning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Consult a quali/ed specialist workshop. #
Notethe messages on the instrument displa y.
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
W
WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the instrument displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. 522
522
Display messages and
warning/indicator lamps