heating MERCEDES-BENZ C-CLASS SALOON 2007 Owner's Manual

Troubleshooting
27
6 Troubleshooting
G
Risk of accident and injury
Always have maintenance work carried out at a qualified specialist workshop which has the necessary specialist knowledge and tools to
carry out the work required .
Mercedes-Benz recommends that you use a Mercedes-Benz Service Centre for this purpose.
In particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop. The operating
safety of the vehicle can be affected if this work is carried out incorrectly. There is a risk of accident and injury. Indicator and warning lamps in switches and buttons
Problem Possible cause/consequence Suggested solutions
The seat heating* has switched
itself off prematurely or cannot
be switched on. There is insufficient voltage
because too many consumers are
switched on. X
Switch off consumers that are not required, e.g. reading lamps ,
interior lighting, etc .
The seat heating* will automatically switch back on as soon as
there is sufficient voltage again. The warning lamp on the sport
button of the ADVANCED AGILITY
package with sports mode* is lit. If you select comfortable mode
and the indicator lamp does not
go out, the ADVANCED AGILITY
package with sports mode* is
faulty. X
Visit a qualified specialist workshop. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Troubleshooting
27
7 Problem Possible cause/consequence Suggested solutions
The indicator lamp in the
2
button on the Thermatic/
Thermotronic *control panel is on
or flashes when you press the
button. The cooling system can-
not be switched on. The cooling system is losing
refrigerant
. X
Visit a qualified specialist workshop. The rear-window heating has
switched itself off prematurely or
cannot be switched on. There is insufficient voltage
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. Vehicles with automatic child
seat recognition on the front-
passenger seat*:
The
5/ indicator 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
204_AKB; 2; 3, en-GB
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Troubleshooting
28
0 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 ®
or traction control has
intervened because at least one
wheel has started to spin.
Cruise control* is switched off. 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 68). G
Risk of accident
At least one tyre is spinning and
ETS is deactivated to prevent the
brakes on the drive wheels from
overheating. X
Observe the additional messages in the multi-function display
(Y page 236).
ETS switches back on again as soon as the brakes have cooled down.
The display message disappears and the vwarning lamp goes
out. 3
The red brake system
warning lamp lights up
while you are driving. You
will also hear a warning
tone. You are driving with the parking
brake on. X
Release the parking brake (Y page 116).
The warning lamp goes out and the warning tone ceases. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Troubleshooting
29
7 Problem Possible cause/consequence Suggested solutions
The engine cannot be started
using the key. The on-board voltage is too low. X
Switch off non-essential consumers, e.g. seat heating* or interio r
lighting, and try to start the engine again.
If this does not work :
X Check the starter battery and recharge it if necessary
(Y page 326).
or
X Jump-start the vehicle (Y page 328).
or
X Consult a qualified specialist workshop. The engine cannot be started
using the key. The steering lock is mechanically
blocked. X
Remove the key and reinsert it into the ignition lock. At the sam e
time, turn the steering wheel in both directions. Practical advice
* optional
204_AKB; 2; 3, en-G
B
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