2025-2026 Mercedes G Class SUV Quick start and Tips -> Help in the event of a breakdown User Manual
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Quick start and Tips -> Help in the event of a breakdown for Your Mercedes G Class SUV Fifth Generation (2025-2026)

50
Help in the event of a breakdown
Activating/deactivating the hazard warning
lights
#
Press button1.
IN THE FOLLOWING SITUATIONS, THE HAZARD WARNING LIGHTS WILL
SWITCH ON AUTOMATICALLY:
R
The airbag has been deployed
R
the vehicle brakes are applied heavily from a speed of more than
70 km/h to a standstill.
R
An emergency stop has been initiated (/page346)
When you pull away again, the hazard warning light system will switch off
automatically at approximately 10km/h. You can also switch off the hazard
warning light system using button
1.
Removing the fire extinguisher
&
WARNING
Risk of accident due to an incorrectly secured fire extinguisher in
the driver's footwell
A fire extinguisher may impede pedal travel or block a depressed pedal.
This jeopardises the operating and road safety of the vehicle.
The fire extinguisher can be flung around and injure the driver or other
vehicle occupants.
#
Always store and secure the fire extinguisher in the bracket.
#
Do not remove the fire extinguisher while driving.
#
Left-hand drive vehicle: pull the tab 1 upwards.
#
Right-hand drive vehicle: pull the tab 1 downwards.
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
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51
#
Remove the fire extinguisher 2.
Removing the safety vest
The safety vests are located in the driver's door and front passenger door
stowage compartments.
#
Pull out the safety vest bag using the loop.
#
Open the safety vest bag and take out the safety vest.
1 Maximum number of washes
2 Maximum wash temperature
3 Do not bleach
4 Do not iron
5 Do not tumble dry
6 Do not dry clean
7 Class 2 safety vest
The requirements defined by the legal standard are only fulfilled if the safety
vest is the correct size and is fully closed.
EXCHANGE THE SAFETY VEST IN THE FOLLOWING CASES:
R
The reflective strips are damaged or dirty.
R
The maximum permissible number of washes is exceeded.
R
The fluorescence property decreases, e.g. due to permanent exposure to
sunlight.
DISPOSE OF THE SAFETY VEST IN AN ENVIRONMENTALLY FRIENDLY WAY:
R
Please contact your local waste disposal company.
Removing the warning triangle
#
Open the tabs 2.
#
Remove the warning triangle 1.
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02
52
First-aid kit overview
The first-aid kit 1 is located in the door stowage compartment of the front
passenger door.
QR code for rescue card
QR codes are attached in the socket flap and on the opposite side on the
B-pillar. In the event of an accident, rescue services can use the QR code to
quickly find the appropriate rescue card for your vehicle. The current rescue
card contains the most important information about your vehicle (e.g. the
routing of the electric lines) in compact form.
You can find further information at: https://-qr.com/de/
Starting assistance and charging the
12‑V‑battery
#
Only have starting assistance provided by a qualified specialist work‐
shop, e.g. a Mercedes-Benz Service Centre.
#
Only have the battery charged at a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
Notes on electrical fuses
&
WARNING
Risk of accident and injury due to overloaded lines
If you manipulate or bridge a faulty fuse or if you replace it with a fuse
with a higher amperage, the electric line could be overloaded.
This could result in a fire.
#
Always replace faulty fuses with specified new fuses contain‐
ing the correct amperage.
*
NOTE
Damage due to incorrect fuses
Using incorrect fuses can result in damage to electrical components or
systems or their functions being considerably restricted.
#
Use only fuses approved for Mercedes-Benz with the respec‐
tive specified fuse rating.
Replace blown fuses with equivalent fuses, identifiable by their colour and
label. The fuse ratings and further information to be observed can be found in
the fuse assignment diagram.
Fuse assignment diagram: on the fuse box in the rear passenger compart‐
ment (/page609).
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02
53
*
NOTE
Damage or malfunctions caused by moisture
Moisture may cause damage to the electrical system or cause it to
malfunction.
#
When the fuse box is open, make sure that no moisture can
enter the fuse box.
#
When closing the fuse box, make sure that the seal of the lid is
positioned correctly on the fuse box.
If the newly inserted fuse also blows, have the cause determined and rectified
at a qualified specialist workshop.
ENSURE THE FOLLOWING BEFORE REPLACING A FUSE:
R
The vehicle is secured against rolling away.
R
All electrical consumers are switched off.
R
The vehicle is switched off.
THE ELECTRICAL FUSES ARE LOCATED IN VARIOUS FUSE BOXES:
R
Fuse box in the engine compartment on the left-hand side (/page608)
R
Fuse box in the front passenger footwell (/page608)
R
Fuse box in the rear passenger compartment (/page609)
Notes on flat tyres
&
WARNING
Risk of accident due to a flat tyre
A flat tyre strongly impairs the vehicle's driving characteristics, as well
as its steering and braking characteristics.
#
Do not drive with a flat tyre.
#
Replace the flat tyre with the spare wheel. Alternatively, con‐
sult a qualified specialist workshop.
IN THE EVENT OF A FLAT TYRE, THE FOLLOWING OPTIONS ARE AVAILA‐
BLE DEPENDING ON YOUR VEHICLE'S EQUIPMENT:
R
Vehicles with Mercedes-Benz Support: in the event of a break‐
down, you can make a breakdown call via the overhead control panel
(/page515).
R
All vehicles: change the wheel (/page623).
Towing away the vehicle with both axles on
the ground
#
Observe the notes on the permitted towing methods (/page601).
#
Make sure that the 12 V battery is connected and charged.
OBSERVE THE FOLLOWING POINTS WHEN THE 12 V BATTERY IS DISCON‐
NECTED OR DISCHARGED:
R
The drive system cannot be started.
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02
54
R
The electric parking brake cannot be released or applied.
R
The selector lever cannot be put into position i or j.
IF AT LEAST ONE OF THE FOLLOWING CONDITIONS APPLIES, TRANS‐
PORTING THE VEHICLE IS THE ONLY POSSIBLE OPTION:
R
If the selector lever cannot be moved to position i.
R
If the 12 V battery is disconnected or discharged.
R
If the driver display has failed.
R
If the áTowing not permitted See Owner's Manual display message is
shown.
R
If the +Top up coolant See Owner’s Manual display message is shown.
R
If the dStop Switch off the vehicle display message is shown.
#
In such cases, transport the vehicle (/page604).
*
NOTE
Damage due to towing away at excessively high speeds or over
long distances
The drivetrain could be damaged when towing at excessively high
speeds or over long distances.
#
A towing speed of 50 km/h must not be exceeded.
#
A towing distance of 50 km must not be exceeded.
&
WARNING
Risk of accident when towing a vehicle with too much weight
IF THE VEHICLE TO BE TOWED IS HEAVIER THAN THE PERMISSIBLE
GROSS MASS OF YOUR VEHICLE, THE FOLLOWING SITUATIONS
CAN ARISE:
R
The towing eye breaks off.
R
The combination oscillates and can capsize.
#
Before towing, check whether the vehicle to be towed exceeds
the permissible gross mass.
When towing a vehicle, its permissible gross mass must not exceed the per‐
missible gross mass of the towing vehicle.
#
Information on the permissible gross mass of the vehicle can be found
on the vehicle identification plate (/page703).
TOWING THE VEHICLE
#
Attach the towing device to the towing eyes (/page606).
*
NOTE
Damage due to incorrect connection of the tow bar
#
Only connect the tow rope or tow bar to the towing eyes.
#
Deactivate the automatic locking mechanism (/page169).
#
Do not activate the HOLD function (/page325).
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02
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#
Deactivate tow-away protection
(/page182).
#
Deactivate Active Brake Assist (/page350).
#
Deactivate Active Parking Assist (/page371).
#
Deactivate Active Distance Assist DISTRONIC (/page334).
#
Put the selector lever into position i.
#
Release the electric parking brake.
#
Remain in the cockpit during towing and observe the display messages.
#
Do not switch off the vehicle while it is being towed. Do not operate the
start/stop button after moving the selector lever to the i position.
#
Do not open the driver's door or front passenger door. Otherwise the
selector lever shifts automatically to position j.
&
WARNING
Risk of accidents due to restricted safety-related functions during
towing
SAFETY-RELEVANT FUNCTIONS ARE RESTRICTED OR NO LONGER
AVAILABLE IN THE FOLLOWING SITUATIONS:
R
The vehicle is switched off.
R
The brake system or the power steering is malfunctioning.
R
The power supply or the on-board electrical system is defective.
If your vehicle is being towed, considerably more force may be required
for steering and braking.
In addition, important vehicle display messages cannot be seen if the
driver display is faulty.
#
Use a tow bar.
#
Before towing, ensure that the driver's display is operational
and the steering can move freely.
#
Transport the vehicle (/page604).
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02
56
*
NOTE
Damage to the drive system owing to incorrect towing
DO NOT TOW THE VEHICLE IN THE FOLLOWING SITUATIONS:
R
The vehicle is switched off.
R
The start/stop button has been operated after the selector lever
was moved to position i.
R
The brake system or the power steering is malfunctioning.
R
The energy supply or the on-board electrical system is defective.
#
Do not tow the vehicle in these situations.
*
NOTE
Damage due to excessive tractive power
If you pull away sharply, the tractive power may be too high and the
vehicles could be damaged.
#
Pull away slowly and smoothly.
G-Class - Owner's Manual
Quick start and Tips Help in the event of a breakdown
F465 0034 02

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