Page 231 of 305

Troubleshooting
228 Problem Possible cause/consequence Suggested solutions
<
The red seat belt warning
lamp lights up for 6 sec-
onds after the engine
starts up 28
. The seat belt warning lamp
reminds the driver and front
passenger to fasten their seat
belts. X
Fasten your seat belt (Y page 72).<
After the engine starts, a
warning tone sounds for
up to 6 seconds 28
. G
Risk of injury
The driver's seat belt is not fas-
tened. X
Fasten your seat belt (Y page 72).
The warning tone ceases. <
The red seat belt warning
lamp lights up after the
engine starts, as soon as
the driver's door or the
front-passenger door is
closed. G
Risk of injury
The driver or front passenger has
not fastened their seat belt X
Fasten your seat belt (Y page 72).
The warning lamp goes out. G
Risk of injury
There are objects on the front-
passenger seat X
Remove the objects from the front-passenger seat and stow them
safely.
The warning lamp goes out. 28
Only for certain countries. Practical advice
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Page 232 of 305

Troubleshooting
229Problem Possible cause/consequence Suggested solutions
<
The red warning lamp
flashes and an intermit-
tent audible warning
sounds. G
Risk of injury
The driver or front passenger has
not fastened their seat belt and
you are driving faster than
25 km/h or have briefly driven
faster than 25 km/h. X
Fasten your seat belt (Y page 72).
The warning lamp goes out and the intermittent audible warning
ceases. G
Risk of injury
There are objects on the front-
passenger seat and you are driv-
ing faster than 25 km/h or have
briefly driven faster than
25 km/h. X
Remove the objects from the front-passenger seat and stow them
safely.
The warning lamp goes out and the intermittent audible warning
ceases. The yellow engine diagnostics
warning lamp lights up while the
engine is running. The fuel level has fallen below the
reserve range. X
Refuel at the nearest filling station. Practical advice
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Page 233 of 305
Troubleshooting
230 Warning tones
Problem Possible cause/consequence Suggested solutions
The anti-theft warning alarm* is
triggered. You have opened the vehicle with
the anti-theft alarm system still
activated*. X
Switch off the alarm (Y page 57).You hear a warning tone. A message appears in the multi-
function display. X
See the explanations for the display message (Y page 202). You are driving with the parking
brake applied. X
Release the parking brake. The light is switched on when you
leave the vehicle. X
Turn the light switch to MorU.
or
X If the rear foglamp is switched on: press the light switch in to the
stop. G
Risk of injury
The driver or front passenger has
not fastened their seat belt X
Fasten your seat belt (Y page 72).Practical advice
* optional
245_AKB; 2; 7, en-GB
wdomann,
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