2019 MERCEDES-BENZ CLA COUPE trailer

We
ights and loads Please obser
vethefo llowing no tesfo rth e speci‐
fi ed vehicle data:
R items of optional equipment increase the
unladen weight and reduce the pa yload.
R vehicle-specific weight information can be
fo und on theve hicle identification plate
(/ page 512).
Ro of load All models
Maximum
roof load 100kg Tr
ailer hitch Gene
ral no tes on the trailer hit ch Not all models can be used
for trailer operation
(/ page 252).
Modi fications tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents. Fu
rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line 524
Tech nical da ta

The
overhang dimension and fastening points
are valid for a trailer hitch ins talled at thefa c‐
to ry. Model
2 2Over‐
hang dimen‐ sion
All model s1 148 mm Pe
rm issible towing capacity The
tongue weight is not included in theto wing
capacity. Pe
rm issible towing capacit y,braked (at a
minimum start-off gradeability of 8%) Model
Perm issible towing
capacit y,braked
CLA 180
CLA 180 d 16
00 kg
CLA 220 4MATIC
CLA 250 4MATIC 2000
kg
All other models 1800 kg Pe
rm issible towing capacit y,braked (at a
minimum start-off gradeability of 12%) Model
Perm issible towing
capacit y,braked
CLA 180
CLA 180 d 14
00 kg
CLA 220 4MATIC
CLA 250 4MATIC 18
00 kg
All other models 1600 kg Pe
rm issible towing capacit y,unbraked Model
Perm issible towing
capacit y,unbraked
CLA 180, manual
transmission 695
kg
CLA 180, auto matic
transmission 705
kg
CLA 180 d, manual
transmission 73
5kg
CLA 200, manual
transmission 700
kg
CLA 200, automatic
transmission 71
0kg
CLA 180 d, auto matic
transmission
CLA 220
CLA 250 74
5kg
All other models 750kg Te
ch nical da ta525

Maximum
tongue weight *
NO
TEDama gecaused bythe trailer
coming loose If
th eto ngue weight used is too lo w,the
trailer may come loose. #
The tongue weight must not be below
50 kg. #
Use a tongue weight that is as close as
possible tothe maximum permissible
to ngue weight. To
ngue weight Model
Maximumtongue
we ight
All models 80kg Pe
rm issible rear axle load (trailer operation) Axle load
Model
Axle load
CLA 180, auto matic
transmission 10
25 kg
CLA 180, manual
transmission
CLA 200 10
30 kg
CLA 180 d, auto matic
transmission 10
50 kg
CLA 180 d, manual
transmission
CLA 200 d, auto matic
transmission 10
55 kg
CLA 220
CLA 250 10
35 kg Model
Axle load
CLA 220 d, auto matic
transmission 10
60 kg
CLA 220 4MATIC
CLA 250 4MATIC 107
5kg 526
Tech nical da ta

Display messages
Possible causes/consequences and M
MSolutions
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
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 Touch Control and ackn owledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem limits ha vebeen reached (/ page246). #
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 in accordance with the tra ffic conditions and restart
th e engine.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop. 544
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
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 Touch Control and ackn owledge the display message.
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.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
Traffic Sign Assist inopera-
tive *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop.
K Please check direction of
travel *Y
ou ha veturned the wrong way on toa one-w aystre et. #
Check the direction of tra vel. #
Turn as soon as possible, in accordance with the traf fic conditions. Display messages and
warning/indicator lamps 545

Ve
hicle Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off the ignition
before exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition, secure theve hicle against rolling away and take theke y with
yo u. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heater. Otherwise, the12 ‑V
battery may discharge and it will then be possible tostart theve hicle only using a donor battery (s tarting assis‐
ta nce).
ï Trailer coupling extending… *E
xtending or retracting 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.
ï Check trailer hitch lock
(white display message) *T
he trailer tow hit chwill not be operational when you drive with a trailer. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure (/ page 252). #
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. 572
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions &
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 tow hit chis 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 tow hit chwill not be operational when theve hicle is at a standstill. #
Uncouple the coupled trailer and secure it against rolling away. #
Initiate a new swivelling procedure (/ page 252). #
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 tow hit chis defective and the ball neck is not loc ked. Display messages and
warning/indicator lamps 573

Display messages
Possible causes/consequences and M
MSolutions #
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.
ï Operation only possible in
transmission position P *
Yo u ha veattem ptedto displace the ball neck and the transmission is in position k,iorh. #
Depress the brake pedal. #
Shift the transmission toposition j.
ï Operation only possible in
transmission position N *
Ve hicles with manual transmission: you attem ptedto swivel the ball neck and the transmission is not in neutral
i. #
Shift the transmission toneutral i.
Ù Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.574
Displaymessa ges and warning/indicator lamps