Seat belt
| Problem | Possible causes/consequences and •► Solutions | 
 After starting the 
engine, the red seat 
belt warning lamp lights 
up for six seconds.
 After starting the 
engine, the red seat 
belt warning lamp lights 
up for six seconds.
The seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
•► Fasten your seat belt
 After starting the 
engine, the red seat 
belt warning lamp lights 
up. In addition, a 
warning tone sounds 
for up to six seconds.
 After starting the 
engine, the red seat 
belt warning lamp lights 
up. In addition, a 
warning tone sounds 
for up to six seconds.
Risk of injury
 
The driver's seat belt is not fastened.
•► Fasten your seat belt.
The warning tone ceases.
 The red seat belt 
warning lamp lights up 
after the engine starts, 
as soon as the driver's 
or the front-passenger 
door is closed.
 The red seat belt 
warning lamp lights up 
after the engine starts, 
as soon as the driver's 
or the front-passenger 
door is closed.
Risk of injury
 
The driver or front passenger has not fastened their seat belt.
•► Fasten your seat belt.
The warning lamp goes out.
Risk of injury
 
There are objects on the front-passenger seat.
•► Remove the objects from the front-passenger seat and stow them in a secure place.
The warning lamp goes out.
 The red seat belt 
warning lamp flashes 
and an intermittent 
audible warning 
sounds.
 The red seat belt 
warning lamp flashes 
and an intermittent 
audible warning 
sounds.
Risk of injury
 
The driver or front passenger has not fastened their seat belt. In 
addition, you are driving faster than 15 mph (25 km/h) or you have 
briefly driven faster than 15 mph (25 km/h).
•► Fasten your seat belt.
The warning lamp goes out and the intermittent warning tone ceases.
Risk of injury
 
There are objects on the front-passenger seat. In addition, you are 
driving faster than 15 mph (25 km/h) or you have briefly driven 
faster than 15 mph (25 km/h).
•► Remove the objects from the front-passenger seat and stow them in a secure place.
The warning lamp goes out and the intermittent warning tone ceases.
See also:
Fuse box on the right in the direction of 
travel
    Open the hood.
 Remove any existing moisture from the 
fuse box using a dry cloth.
 To open: open clamps 2.
 Remove cover 2 upwards.
 To close: check whether the rubber seal is 
lying corre ...
   
Exhaust check
   
 
WARNING
Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains 
carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death.
Do not run the engi ...
   
Activating/deactivating the rear view 
camera
   – To activate: make sure that the SmartKey 
is in position 2 in the ignition lock.
– Make sure that the "rear view camera" 
function is selected in COMAND (see the 
separate operating in ...
   
