2024-2026 Audi Q5 SUV Towing a trailer User Manual
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Towing a trailer for Your Audi Q5 SUV Third Generation (2024-2026)

Towing a trailer  
The maximum trailer weights listed are only ap-  
plicable for altitudes up to 1000 m above sea lev-  
el. With increasing altitude the engine power and  
therefore the car's climbing ability are impaired  
because of the reduced air density, so the maxi-  
mum trailer weight has to be reduced according-  
ly. The weight of the car and trailer must be re-  
duced by about 10 % for every further 1000 m  
(or part thereof). The actual trailer weight is the  
combined weight of the (loaded) vehicle and (loa-  
ded) trailer.  
Towing a trailer  
Driving the vehicle with a  
trailer or caravan  
Introduction  
If the car is supplied with a factory-fitted towing  
bracket it will already have the necessary techni-  
cal modifications and meet the statutory require-  
ments. When towing a trailer or caravan, always  
observe the statutory requirements and follow  
the manufacturer’s instructions for operation  
and driving.  
Draw bar weight  
The vertical load exerted by the trailer draw bar  
on the ball joint of the towing bracket must not  
exceed the maximum weight specification.  
Towing a trailer or caravan affects the energy  
consumption, performance and wear of the vehi-  
cle. It also requires greater concentration.  
In the interests of road safety, Audi recommends  
that you always use the maximum draw bar  
weight without exceeding it. If the draw bar  
weight is too low, the trailer’s handling will be af-  
fected.  
If a towing bracket is to be fitted after the car is  
purchased, this must be done according to the in-  
structions of the towing bracket manufacturer.  
If a non-detachable towing bracket is retrofitted  
to the vehicle, it must not block the number  
plate or the rear lights. Observe the relevant lo-  
cal regulations for the use of a towing bracket.  
You can determine the draw bar weight e.g. using  
a weighing machine, bathroom scales or a public  
weighing station. Audi recommends checking the  
draw bar weight, particularly when using twin-  
axle trailers. If the draw bar weight does not  
meet the specification, you can adjust it by dis-  
tributing the load in the trailer correctly. If the  
draw bar weight meets the specifications, you  
should not change the load in the trailer.  
Observe the relevant local regulations when tow-  
ing.  
WARNING  
Never carry passengers in a trailer – danger  
to life!  
If the maximum permitted draw bar weight can-  
not be obtained, the trailer should be loaded so  
that the draw bar weight is at least 4 % of the ac-  
tual trailer weight. However, the draw bar weight  
must not be less than 25 kg. This applies to sin-  
gle-axle and twin-axle trailers with a wheelbase  
of less than 1.0 m.  
Use only ball joints of the correct type ap-  
proved for your vehicle. The use of unap-  
proved ball joints can cause the trailer to be  
unstable or to become detached during a  
journey – risk of accident! Please contact a  
qualified workshop if you have any ques-  
tions.  
You can find the maximum draw bar weight for  
your vehicle in the registration documents or in  
the technical data in the Owner’s Manual.  
Points to check before towing  
Trailer weight  
Distributing the load  
Never exceed the maximum permitted trailer  
weight.  
The vehicle’s handling can be impaired if the load  
is poorly distributed. Load the trailer according  
to the following criteria as far as possible:  
If you do not load the trailer up to the maximum  
permitted trailer weight, you can corresponding-  
ly climb steeper gradients.  
119  
Towing a trailer  
Exterior mirrors  
Objects should preferably be stowed in the lug-  
gage compartment. The vehicle load should be  
as heavy as possible and the trailer load as light  
as possible.  
Make sure that you are able to monitor the road  
behind the trailer with the exterior mirrors. Use  
additional mirrors if necessary. Adjust the addi-  
tional mirrors to give sufficient vision to the rear.  
Please observe the relevant local regulations for  
attaching additional exterior mirrors.  
Distribute loads in the trailer so that heavy ob-  
jects are as near to the axle as possible.  
Objects must be secured to prevent them from  
sliding about.  
Engine cooling system  
Where possible, operate the trailer with the  
maximum permitted draw bar weight.  
Towing a trailer or caravan places a heavier load  
on the engine and cooling system. Please make  
sure that there is enough coolant in the cooling  
system.  
Speed  
Do not drive faster than 80 km/h. If the trailer  
has a stabiliser, you can drive up to 100 km/h. Al-  
ways adhere to the locally applicable laws and  
regulations.  
Coolant temperature  
Keep an eye on the coolant temperature gauge,  
especially in hot weather and when climbing long  
hills. Remember to shift to a higher gear in good  
time.  
The stability of the car and trailer is reduced with  
increasing speed. Adjust your speed in the event  
of unfavourable road, weather or wind condi-  
tions. This applies especially on a downhill gradi-  
ent.  
Tyres  
Check the tyre pressures on the vehicle, and ad-  
just for the “full load” conditions specified on the  
tyre pressure sticker. It may also be necessary to  
adjust the tyre pressures on the trailer according  
to the recommendations of the trailer manufac-  
turer.  
Gradient  
When driving down the start of a gradient, the  
trailer may begin to sway sooner than it would on  
a level road. Reduce your speed if the trailer  
starts to sway even slightly. Never try to stop the  
swaying by accelerating further.  
At low outside temperatures, fit both the vehicle  
and the trailer with winter tyres.  
Shift to a lower gear before the gradient in order  
to take advantage of the engine braking effect  
Driver assist systems  
ð
.
The alignment of the sensors/cameras may be al-  
tered when a trailer/rear carrier system is hitched  
up or unhitched.  
Exterior lighting  
Observe all locally applicable laws and regula-  
tions on the lighting systems for your trailer/  
caravan. If necessary, please seek advice from a  
qualified workshop.  
To ensure that the driver assist systems are fully  
functional, you should switch the vehicle off and  
on after you hitch up or unhitch a trailer/rear car-  
rier system.  
Before starting a journey, check all the trailer  
lights with the trailer hitched up.  
Overrun brake  
The headlight range control automatically ad-  
justs the range of the headlight beam.  
If your trailer is equipped with an overrun brake,  
it must be correctly adjusted and function cor-  
rectly. When using a trailer with an overrun  
brake, apply the brakes gently at first and then  
firmly. This will prevent the jerking that can be  
caused by the trailer wheels locking.  
If the indicator lamp flashes, the turn signals  
are on in towing mode. If a turn signal bulb on  
the trailer or vehicle fails in towing mode, the in-  
dicator lamp does not flash twice as fast to indi-  
cate the bulb failure.  
120  
Towing a trailer  
Parking on an incline while towing  
If you have to drive on a rough surface, you can  
raise the vehicle again after hitching up the trail-  
er and ensuring the draw bar weight is correct.  
Select offroad or offroad plus mode in Audi drive  
select or press to set the maximum ground  
clearance.  
Use wheel chocks when parking on a gradient if  
the trailer is carrying a load. Always adhere to the  
locally applicable laws and regulations.  
Running the vehicle in  
Avoid towing a trailer or caravan while running  
the vehicle in.  
Driver messages about towing mode  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Inspection intervals  
Audi recommends having the car serviced be-  
tween the normal inspection intervals if it is used  
frequently for towing a trailer.  
Air suspension: currently restricted. Towing  
mode. See owner's manual  
Air suspension towing mode is switched on in  
your vehicle. The air suspension can only be ad-  
justed to a limited extent. You should deactivate  
air suspension towing mode again when the trail-  
er is unhitched. The air suspension can be adjus-  
ted again.  
WARNING  
Constant braking will cause the brakes to  
overheat and will considerably reduce the ef-  
fectiveness of the brakes. It will increase the  
braking distance and could cause the brake  
system to fail.  
The driver message can be hidden by pressing the  
OK  
button on the multi-function steering wheel.  
CAUTION  
It will appear again the next time the vehicle is  
switched on.  
Retrofitted parts, in particular attachments  
fitted to the ball joint of the towing bracket,  
can cause damage. If any damage occurs, you  
should have the equipment checked by a  
qualified workshop.  
Information on lowering the vehicle  
manually  
When lowering the vehicle manually you also  
should not lower it past the level set in balanced  
mode in Audi drive select.  
Switching air suspension towing mode on  
Important: All doors on the vehicle must be  
closed. The balanced mode must be selected in  
Audi drive select before you hitch up the trailer  
CAUTION  
If you have hitched up a trailer, never switch  
towing mode off while the vehicle is mov-  
ing. Otherwise, the restrictions on the ride  
height regulating system would then no  
longer be present.  
ð
.
Select: > Car > More > Air suspension: trail-  
er.  
You should deactivate towing mode again when  
the trailer is unhitched.  
The vehicle’s handling may change if you are  
driving with a trailer on loose surfaces with  
the vehicle raised. Adjust your speed accord-  
ingly.  
On vehicles with a factory-fitted towing bracket,  
the air suspension is automatically set to trailer  
mode when you plug the trailer connector into  
the vehicle’s trailer socket.  
If you have raised the vehicle manually, note  
that the vehicle lowers itself automatically  
above a certain speed.  
If you use rear carrier systems which are mounted  
directly on the ball joint of the towing bracket,  
you can also switch trailer mode off manually.  
Make sure you adhere to the draw bar  
weight required for your vehicle. Before  
hitching up the trailer, select balanced  
mode in Audi drive select. This will ensure  
121  
Towing a trailer  
Extending towing bracket  
that the draw bar weight and the height of  
the vehicle are coordinated.  
Apply the parking brake.  
Open the boot lid.  
Swivelling towing  
bracket  
Press button 1 ð  
be released. The LED will flash.  
. The towing bracket will  
Swivel the towing bracket out manually until it  
engages audibly in the operating position. The  
LED in the button 1 will light up permanently.  
Hitch up the trailer or the rear carrier system to  
the towing bracket. Please read the informa-  
tion on the air suspension towing mode  
ðpage 121 and on lowering the load sill.  
Plug the connector of the trailer or rear carrier  
system into the trailer socket 2 . Use an adapt-  
er if necessary.  
Extending / retracting towing bracket  
When you hitch a trailer up to your vehicle,  
hook the breakaway cable into the eye 3 on  
the towing bracket.  
Fig. 66 Luggage compartment: Button for releasing tow-  
ing bracket  
When you switch the vehicle on, make sure that  
the instrument cluster does not display the indi-  
cator lamp or the message Please check tow-  
ing bracket. Swivel the towing bracket in and out  
again, if necessary.  
Retracting towing bracket  
Unhook the breakaway cable of the trailer from  
the eye 3 .  
Unplug the electrical connector between the  
Fig. 67 Rear bumper: Connecting socket and eye for break-  
vehicle and the trailer/rear carrier system ð  
.
away cable  
Remove any adapters from the trailer socket  
The towing bracket is located on the rear bump-  
er. It is released electrically and extended/retrac-  
ted manually.  
ð
.
Unhitch the trailer or the rear carrier system.  
Press button 1 ð . The towing bracket will  
be released. The LED will flash.  
If you have not used the towing bracket for a rela-  
tively long time or have used it constantly with-  
out retracting or extending it, the swivelling  
movement may be stiff or the towing bracket  
may no longer swivel downwards automatically  
when the handle is operated. In this case Audi  
recommends that you extend and retract the  
towing bracket several times or loosen it by jog-  
ging it up and down repeatedly.  
Swivel the towing bracket in manually until it  
engages audibly in the rest position. The LED in  
the button 1 will light up permanently.  
When you switch the vehicle on, make sure that  
the instrument cluster does not display the indi-  
cator lamp or the message Please check tow-  
ing bracket. Swivel the towing bracket out and in  
again, if necessary.  
The button 1 is not active when the vehicle is in  
motion or if the boot lid is closed.  
Retract the towing bracket or detach it when  
there are no trailers, bicycles or similar loads at-  
tached to it. This applies especially if the number   
The eye 3 must only be used for securing the  
breakaway cable of the trailer.  
122  
Towing a trailer  
plate or rear vehicle lighting is masked by the un-  
used towing bracket. Observe the relevant local  
regulations for the use of a towing bracket.  
Information on the swivelling towing  
bracket  
Towing bracket  
Check that the ball coupling meets the relevant  
country-specific regulations and is not worn.  
WARNING  
Make sure that no people, animals or ob-  
jects of any kind are in the path of the tow-  
ing bracket – risk of injury!  
Electronic stabilisation control (ESC)  
The ESC – in particular in conjunction with the  
trailer stabilisation system – makes it easier to  
stabilise a trailer if it starts to skid or sway. You  
should therefore keep the ESC switched on at all  
times.  
The towing bracket must NOT be used if it  
does not engage properly or if the LED flash-  
es as this means that it is not in its end posi-  
tion – risk of accident and injury. Only use  
the towing bracket when it has swivelled out  
fully and engaged securely. The LED lights  
up to indicate this.  
Stabiliser  
Swaying and pitching can be reduced by attach-  
ing an extra stabiliser to the trailer. Degrease and  
clean the ball joint before using a stabiliser. The  
stabiliser can be purchased and installed at a  
qualified workshop.  
Never press the button 1 if a trailer is  
hitched up or if a luggage rack or other ac-  
cessories are mounted on the towing brack-  
et – risk of accident!  
If any faults occur in the electrical system or  
in the towing bracket, safe use of the towing  
bracket is no longer guaranteed. Have the  
towing bracket inspected by a qualified  
workshop – risk of accident!  
Clean the ball coupling before using a trailer  
without a stabiliser and apply multi-purpose  
grease to it. Repeat this application regularly if  
you tow a trailer frequently.  
Power supply  
CAUTION  
When you switch the vehicle off, the power sup-  
ply to the trailer is not interrupted as long as the  
energy management system does not intervene.  
Do NOT hold a high-pressure cleaner direct-  
ly at the seal of the towing bracket or the  
trailer socket. This may cause damage to  
the seal, with the result that moisture can  
enter and damage the system.  
1)  
Information on trailer stabilisation  
Never press the button 1 when a trailer is  
hitched up or if a luggage rack or other ac-  
cessories are mounted on the towing brack-  
et. The swivelling unit, accessories and  
parts of the vehicle could be damaged.  
If you have plugged an adapter into the  
trailer socket, this could damage the bump-  
er and trailer socket when the towing brack-  
et is retracted. Remove the adapter before  
retracting the towing bracket.  
The trailer stabilisation system, which is integra-  
ted in the electronic stabilisation control (ESC),  
helps to reduce the risk of the trailer skidding at  
speeds over approx. 65 km/h. Please refer to the  
description of the ESC ðpage 116 for informa-  
tion on how the system works. Please also refer  
to the notes on ðpage 119 and ðpage 123 to  
ensure that the trailer stabilisation system is  
functional.  
The functions may not be available if the ESC is  
restricted or deactivated or if a fault has occur-  
red.  
1)  
Not available on vehicles for some markets.  
123  
Towing a trailer  
Information on rear carrier systems  
WARNING  
The ESC and trailer stabilisation system can-  
not defy the laws of physics. Always bear  
this in mind, especially when towing a trail-  
er which is light in weight – risk of accident!  
It is essential that you adjust your speed to  
suit the weather, road and traffic conditions.  
Do not let the trailer stabilisation system  
tempt you into taking any risks when driving  
– risk of accident!  
The trailer stabilisation system is not always  
able to detect if the trailer is swaying and  
may therefore not intervene – risk of acci-  
dent! In this case, apply the vehicle’s brakes  
and avoid unnecessary steering input.  
A trailer can still “jack-knife” on slippery  
roads with little grip, even if the towing ve-  
hicle is equipped with the trailer stabilisa-  
tion system – risk of accident! You should al-  
ways drive at a speed which is suitable for  
the road conditions.  
Fig. 68 Rear carrier: Maximum overhang  
Rear carrier systems are systems such as bicycle  
racks which are mounted on the towing bracket.  
Please make sure that the rear carrier system is  
approved for use on your vehicle.  
Degrease and clean the ball joint before using a  
rear carrier system.  
Note the instructions provided by the manufac-  
turer of the rear carrier system.  
Trailers with a high centre of gravity may  
even tip over before they start to sway side-  
ways – risk of accident! Adjust your speed as  
appropriate.  
Rear carrier system load  
The carrying load consists of the rear carrier sys-  
tem and the load transported on it. The maxi-  
mum recommended carrying load may differ  
from the vehicle’s maximum draw bar weight.  
The maximum draw bar weight must not be ex-  
ceeded.  
Towing a loaded trailer with an unladen ve-  
hicle may result in the trailer swaying even  
at low speeds – risk of accident! Should you  
need to drive with this combination, drive  
particularly slowly to allow for the unbal-  
anced weight distribution.  
The greater the distance from the towing brack-  
et, the smaller the carrying load. For this reason,  
you should secure heavy objects as near as possi-  
ble to the towing bracket.  
If you are not towing a trailer, but the trailer  
socket is being used (e.g. for an illuminated  
bicycle rack), the trailer stabilisation system  
may be activated automatically in extreme  
driving conditions.  
Determining the maximum carrying load  
Look up the draw bar weight for your vehicle in  
the technical data in the Owner's Manual. You  
can then find the carrying load in the table be-  
low. In accordance with Regulation UN-R 55, Audi  
recommends that you adhere to the maximum  
number of bicycles on the rear carrier system as  
follows:  
If the vehicle is driven with two trailers at  
once, the trailers may begin to sway in cer-  
tain situations – risk of accident! The vehicle  
must not be driven with more than one trail-  
er.  
If the vehicle is driven with a trailer attached  
off-centre, the trailer may begin to sway in  
certain situations – risk of accident! Accesso-  
ries which are designed to attach the trailer  
off-centre must not be used.  
124  
Towing a trailer  
Installation dimensions and retrofitting  
Maximum  
draw bar  
Maximum car- Number of bi-  
rying load (kg) cycles  
weight (kg)  
50 – 74  
50  
75  
2
3
75 upwards  
Maximum overhang of the rear carrier  
system  
The maximum overhang depends on the maxi-  
mum carrying load and is as follows:  
Maximum carrying  
load (kg)  
Maximum overhang  
(mm)  
50 – 74  
75  
500  
700  
For bicycle carrier systems with two bicycles, the  
maximum overhang measured from the centre of  
the ball coupling to the centre of the rail of the  
last bicycle carrier is 500 mm 1 . For bicycle car-  
rier systems with three bicycles, the maximum is  
700 mm 2 .  
Fig. 69 Towing bracket: Installation dimensions and points  
The towing bracket is bolted to the body at the  
securing points 7 .  
WARNING  
The use of an unsuitable rear carrier system  
could cause severe damage to the towing  
bracket. The towing bracket could then break  
and cause an accident.  
Installation dimensions (mm)  
1 900  
4 378  
2 1037 – 1043  
3 618  
5 65 (min.)  
6 350 – 420  
Driver messages about the swivelling  
towing bracket  
The values given for the distance between the  
centre of the wheel on the rear axle and the cen-  
tre of the ball on the towing bracket 2 are nomi-  
nal values of the base vehicle. The dimensions  
may vary depending on the type of suspension in  
conjunction with the vehicle’s equipment and the  
load the vehicle is carrying.  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Please check towing bracket  
A malfunction has occurred. If the message ap-  
pears while the vehicle is moving, stop at the  
next opportunity. Swivel the towing bracket in  
and out again. If the message remains displayed,  
drive to a qualified workshop soon.  
The distance between the road surface and the  
centre of the ball on the towing bracket 6 ap-  
plies to the loading condition in the type appro-  
val according to UN-R55 (ECE). This dimension  
must not be smaller or larger than the value  
specified. The dimension may vary on vehicles  
categorised as M1G in the type approval.  
Please contact a qualified workshop to find out  
whether your vehicle can be retrofitted with a  
towing bracket.  
125  
Towing a trailer  
Your qualified workshop will have all the details  
on retrofitting a towing bracket.  
WARNING  
Never install a weight distribution or load-bal-  
ancing towing bracket/hitch on the vehicle.  
The vehicle is not designed for these kinds of  
towing brackets. The towing bracket could  
fail, causing the trailer to tear loose from the  
vehicle – risk of accident!  
WARNING  
Avoid improper installation of the towing  
bracket – risk of accident! If a towing bracket  
is retrofitted, the installation should be car-  
ried out by a qualified workshop.  
For your own safety, please observe the in-  
structions provided by the manufacturer of  
the towing bracket.  
Using the towing bracket  
CAUTION  
If the connector socket is not fitted correct-  
ly, this could cause damage to the vehicle's  
electrical system.  
Particularly in high outside temperatures, it  
is not possible to drive up long steep gradi-  
ents without a suitable cooling system.  
there is a risk of damaging the engine.  
Fig. 70 Rear bumper: Towing bracket  
The towing bracket on your vehicle comprises the  
tube 3 , the trailer socket 1 or trailer socket  
holder, two loops 2 for the safety chains and the  
tube cover 4 .  
Towing bracket with  
square tube  
1)  
Introduction  
The tube 3 is suitable for attaching a removable  
ball coupling bracket with ball coupling, e.g. for  
Use only a towing bracket with removable ball  
coupling bracket and ball coupling. The towing  
bracket must be officially approved for use with  
the vehicle and trailer and for the maximum  
gross weight of the trailer being towed. It must  
be securely attached to the chassis of the vehicle.  
towing a trailer ð  
.
To use the towing bracket, pull the cover 4 off  
the tube 3 in the direction of the arrow.  
Check that the tube 3 is free of dirt and clean  
if necessary.  
Never attach a towing bracket to the bumper.  
When fitted, the towing bracket must not impair  
the effect of the bumper in any way. Never make  
modifications to the brake system.  
1)  
Connect the trailer to the socket 1 and use  
the loops 2 to attach the safety chains.  
To protect the tube 3 from dirt after use, seal  
it with the cover 4 .  
Check regularly that the towing bracket is secure.  
Always follow the instructions provided by the  
manufacturer of the towing bracket.  
WARNING  
For your own safety, please observe the in-  
structions provided by the manufacturer of  
the ball coupling bracket.  
The loops on the towing bracket are intended on-  
ly for securing the safety chains of the trailer.  
A ball coupling bracket that is not fitted  
properly constitutes an accident risk. The  
A ball coupling/ball coupling bracket is not sup-  
plied with the towing bracket. These are available  
from specialist retailers.  
1)  
Depending on country  
126  
Towing a trailer  
ball coupling bracket must be properly se-  
cured in the tube 3 . This same applies to  
any other attachments secured in the tube.  
Use only ball coupling brackets/ball cou-  
plings which are approved for use with your  
vehicle and trailer.  
WARNING  
If a towing bracket is retrofitted, the instal-  
lation should be carried out by a qualified  
workshop.  
A towing bracket that is not fitted properly  
constitutes an accident risk.  
To prevent the risk of injury, always remove  
the ball coupling bracket when a trailer is  
not attached.  
For your own safety, please observe the in-  
structions provided by the manufacturer of  
the towing bracket.  
It is essential to remove any dirt from the  
towing bracket, as it may otherwise be im-  
possible to attach the ball coupling bracket  
securely in the tube – risk of accident!  
CAUTION  
If the vehicle’s trailer socket is not fitted cor-  
rectly, this could cause damage to the vehi-  
cle's electrical system.  
Information on driving with a trailer  
Trailer brake  
Trailer assist  
If the trailer is equipped with its own brake sys-  
tem, please observe the instructions provided by  
the manufacturer. The trailer's brake system  
must never be connected to the vehicle brake sys-  
tem.  
Introduction  
The trailer assist helps you with driving and ma-  
noeuvring when a trailer is hitched to the vehicle.  
The reversing camera detects the trailer angle.  
The system automatically learns the properties  
of the trailer while driving.  
Safety chains  
Ensure that the safety chains are correctly at-  
tached before towing a trailer. There should be  
sufficient slack in the chains to allow the trailer  
to be towed around corners, but the chains must  
not touch the road.  
The trailer assist automatically steers the trailer  
in the desired direction when reversing and,  
where necessary, when making steering correc-  
tions while driving forward. You operate the ac-  
celerator and brake pedal. When reversing, the  
trailer assist limits the speed to between approx.  
3 km/h and 8 km/h, depending on the situation.  
The speed cannot be increased even by pressing  
the accelerator further.  
WARNING  
If the trailer is equipped with electric brakes,  
these brakes cannot be controlled by the vehi-  
cle’s onboard monitoring system – risk of acci-  
dent!  
Audi recommends that you practise manoeuvring  
with the trailer assist in a quiet location (car park  
or low traffic area) in order to become familiar  
with the system and its functions.  
Information on retrofitting a towing  
bracket  
Before every trip  
Please contact a qualified workshop to find out  
whether your vehicle can be retrofitted with a  
towing bracket.  
Please make sure that the electrical connector  
on the trailer is plugged into the socket on the  
vehicle, as the trailer assist will otherwise not  
be active.  
Your qualified workshop will be experienced in  
retrofitting towing brackets and will be familiar  
with the corresponding technical requirements.  
Whenever necessary, clean the reversing cam-  
era either manually, or by operating the rear  
window washer ðpage 62, or by selecting the  
cleaning function on the MMI ðpage 184.  
127  
Towing a trailer  
Please observe the notes on cleaning and care  
ðpage 261.  
Please note that the front end of the vehicle  
swings out further than the rear – risk of ac-  
cident! Always watch the area surrounding  
the vehicle.  
System limits  
The functions of the trailer assist are limited or  
unavailable under the following circumstances:  
Do not allow the centre display to distract  
you from watching the traffic.  
The steering wheel turns by itself when you  
use the trailer assist. Do not reach into the  
path of the steering wheel – risk of injury!  
The trailer assist only controls the steering  
movements. As the driver you are always re-  
sponsible for braking and for operating the  
accelerator and watching the traffic.  
The trailer assist will be deactivated if you drive  
forwards faster than 10 km/h.  
The trailer assist may be unavailable for a short  
period after the vehicle is switched on.  
The trailer assist is not available if the trailer  
brake lights are defective.  
For technical reasons, trailers with LED rear  
lights may not always be detected by the trailer  
assist.  
CAUTION  
The trailer assist may not be available on steep  
gradients.  
The trailer assist cannot plan the move-  
ments necessary to manoeuvre the trailer. It  
merely steers the trailer in the desired di-  
rection.  
A rear carrier system is fitted to the ball head  
of the towing bracket.  
Always watch the trailer as it is moving and  
be ready to stop the manoeuvre if necessary  
to avoid damage. Even if the trailer assist is  
used correctly, in rare cases the trailer may  
still steer at an angle which deviates from  
the specified setting.  
The functions may not be available if the ESC is  
restricted or deactivated or if a fault has occur-  
red.  
The trailer assist cannot be used for trailers  
with steering axles.  
WARNING  
Hitch up the trailer as straight as possible. If  
the angle between the trailer and vehicle is  
too large, there is a risk that the vehicle will  
collide with the trailer.  
Please note the safety precautions and sys-  
tem limits of the supporting systems, sen-  
sors and cameras ðpage 132 to  
The distance from the ball coupling to the  
trailer axle must be between approximately  
1 metre (min.) and 5 metres (max.). For  
multi-axle trailers, this distance is meas-  
ured from the centre of the axles.  
ðpage 134.  
The technology in the trailer assist cannot  
defy the laws of physics and works only  
within the limits imposed by the system. Do  
not let the extra convenience afforded by  
the trailer assist function tempt you into  
taking any safety risks – this can cause acci-  
dents. The trailer assist cannot replace the  
full concentration of the driver.  
Operating the trailer assist  
Unintended vehicle manoeuvres can cause  
serious injuries.  
Always adjust your driving style to suit the  
vision, weather, road and traffic conditions.  
The trailer assist does not take the vehicle  
surroundings into account and does not de-  
tect obstacles – risk of accident! It is the  
driver's responsibility to judge whether the  
trailer can be manoeuvred safely.  
Fig. 71 Centre display: Trailer assist display  
128  
Towing a trailer  
Trailer assist display  
Make sure that the dark indicator is correctly  
aligned with the trailer orientation. It may not  
be possible to detect the correct steering angle  
in poor visibility or on heavily structured surfa-  
ces.  
It is only possible to switch the trailer assist  
on/off when the vehicle is stationary or driving  
forwards at no more than 10 km/h.  
When you switch on the system, the display  
shows the picture from the reversing camera  
with a sector 1 and a dark indicator 4 . The dark  
indicator shows the current orientation of the  
trailer; the sector indicates the possible adjust-  
ment range of the articulation angle. When re-  
verse gear is engaged, the current articulation  
angle setting is indicated by a light indicator 2 .  
The white markings 3 indicate the area in which  
the vehicle and trailer would be travelling in a  
straight line.  
Press to switch off the trailer assist.  
Long trailers with a large distance between the  
trailer axle and the vehicle reach larger articula-  
tion angles than short trailers while in motion.  
They therefore react with a greater delay.  
When reversing with a trailer, the articulation an-  
gle gradually changes as more distance is cov-  
ered. If you want to drive in a straight line again,  
it is advisable to first make a forward movement  
in order to straighten up the trailer.  
Driving and manoeuvring with the trailer  
assist  
Initialising the trailer  
If the trailer was hitched up with a large articula-  
tion angle or if automatic initialisation has not  
yet been performed, it will be necessary for the  
system to initialise the trailer. When the vehicle  
is reversing, this process is indicated by a smaller  
sector as soon as the trailer starts moving. In ad-  
dition, the centre display shows the message  
Drive carefully and operate brakes yourself to  
initialise trailer.  
Press the button 5 .  
Take your hands off the steering wheel.  
Engage reverse gear. A short animation ex-  
plaining how to use the trailer assist will start  
on the display.  
Drag your finger to the right or left across the  
display to adjust the trailer’s direction of travel  
within the possible setting range.  
Tap twice on the display to reduce the articula-  
It is also necessary to initialise the trailer if the  
dark indicator does not point towards the trailer  
correctly during use.  
tion angle to zero and drive straight ahead with  
the trailer. If the articulation angle is wide, the  
system first suggests making a corrective  
movement forwards. In this case, the vehicle  
will also steer when driving forwards. If the  
dark indicator is within the white markings, the  
trailer’s direction of travel can be maintained. If  
the indicator is outside the markings, the trail-  
er will not drive straight ahead again until a cer-  
tain distance has been travelled. In this case, it  
may be necessary to correct the orientation.  
To initialise the trailer, the vehicle must be slowly  
driven forwards in a straight line and through  
several corners to reduce the articulation angle.  
During the initialisation procedure, the system is  
available with limited functionality.  
The initialisation process can take longer, de-  
pending on outside conditions such as poor light  
conditions, etc.  
Watch the road. Do not move off until the traf-  
fic situation allows you do so safely ð  
in In-  
Selecting the view  
troduction on page 128, ð  
on page 128.  
in Introduction  
Press the corresponding button to switch be-  
tween the standard and panoramic views. On  
vehicles with surround view cameras, the other  
views are not available while the trailer assist is  
active.  
You can use the display to change the desired  
trailer orientation at any time while the vehicle  
is moving.  
Please monitor the trailer orientation on the  
display throughout the entire manoeuvring pro-  
cedure.  
129  

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