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Seat belts
72 G
Risk of accident
Only adjust the driver's seat when the vehi-
cle is stationary. You will otherwise be dis-
tracted from the road and traffic conditions
and you could lose control of the vehicle as
a result of the seat moving. This could
cause an accident. G
Risk of accident
Only adjust the steering wheel when the
vehicle is stationary and do not pull away
until the steering wheel adjustment mech -
anism is locked in position. You might oth-
erwise drive without the steering wheel
adjustment mechanism being locked in
position. As a result you could be distracte d
from road and traffic conditions by an unex-
pected movement of the steering wheel
and thereby cause an accident.
However, the steerability of the vehicle is
not affected .
X Check whether seat 3and the head
restraint are adjusted properl y
( Y page 59). Make sure that
:
R you are as far away from the driver's fron t
airbag as possible
R you are sitting in a normal upright posi-
tion
R you can fasten the seat belt properly
R you have moved the backrest to an
almost vertical position
R you have set the seat angle so that your
thighs are gently supporte d
R you can depress the pedals properly
R you have adjusted the head restraint so
that the back of your head is supporte d
at eye level by the central area of th e
head restraint
X Check whether steering wheel 1is adjus-
ted properly (Y page 63).
Make sure that :
R you can hold the steering wheel with your
arms slightly ben t
R you can move your legs freely
R you can see all the displays in the instru-
ment cluster clearly
X Check whether you have fastened seat belt
2 properly (Y page 69). It should:
R
fit snugly across your body
R be routed across the middle of your
shoulder
R routed in your pelvic area across the hip
joints Controls
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Page 194 of 273

Troubleshooting
19
1 Problem Possible cause/consequence Suggested solutions
The indicator lamp in the
9or
2 button of the Thermatic*/
Thermotronic *control panel is lit.
The cooling system cannot be
switched on. Cooling has been deactivated
due to a malfunction. X
Visit a qualified specialist workshop. The indicator lamp in the
¯
rear-window heating button is
flashing. The rear-window heat-
ing has switched itself off prema -
turely or cannot be switched on. There is insufficient voltag
e
because too many consumers are
switched on. X
Switch off consumers that are not required, e.g. reading lamps ,
interior lighting, etc .
The rear-window heating will automatically switch back on as soon
as there is sufficient voltage again. The
75 PASSENGER
AIRBAG OFF warning lamp on the
centre console is lit. A special Mercedes-Benz child
seat with automatic child seat
recognition has been fitted to the
front-passenger seat. The front-
passenger airbag has therefore
been disabled. Practical advice
* optional
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Page 195 of 273
Troubleshooting
19
2 Problem Possible cause/consequence Suggested solutions
The
75 PASSENGER
AIRBAG OFF warning lamp on the
centre console is lit. G
Risk of injury
There is no child seat fitted to the
front-passenger seat. The auto-
matic child seat recognition is
malfunctioning . X
Remove electronic equipment from the front-passenger seat, e.g. :
R Notebooks
R Mobile phones
R Cards with transponders, e.g. ski passes or access passes
If the 75 PASSENGER AIRBAG OFF warning lamp is still
lit :
X Visit a qualified specialist workshop. Practical advice
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Troubleshooting
19
4 Problem Possible cause/consequence Suggested solutions
v
The yellow ESP ®
warning
lamp flashes while th e
vehicle is in motion. G
Risk of accident
ESP ®
, ABS or traction control has
intervened because at least one
wheel has reached its grip limit
and is threatening to spin or lock . X
Only depress the accelerator pedal as far as necessary when pull-
ing away.
X Release the accelerator pedal while you are driving.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
Exceptions: (Y page 51). v
The yellow ESP ®
warning
lamp is lit while the engine
is running. G
Risk of accident
ESP ®
is deactivated. ES P®
will
not stabilise the vehicle if it start s
to skid or if a wheel starts to spin. X
Reactivate ES P®
.
Exceptions: (Y page 51).
X Adapt your driving style to suit the road and weather conditions. 1
The red SRS warning lamp
is lit while the engine is
running. G
Risk of injury
The restraint systems are faulty .
The airbags or belt tensioners
may either be triggered uninten-
tionally or, in the event of an acci-
dent, not be triggered at all. X
Visit a qualified specialist workshop immediately. 3
The red brake system
warning lamp comes on
while you are driving. You
will also hear a warning
tone. You are driving with the hand-
brake applied. X
Release the handbrake .
The warning lamp goes out and the warning tone ceases. Practical advice
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