First read and observe the introductory information
and safety warnings
| Lit up | Possible cause | Solution |
|---|---|---|
|
The start/stop system is not available. Automatic engine switch-off is active. | Take your foot off the brake to start the engine again . |
|
Automatic engine switch-off is not possible.
OR: automatic engine start is not possible. OR: the engine was started automatically. |
Check whether all technical requirements have been fulfilled. If not, remedy any shortfalls . |
|
The engine is starting. | – |
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will switch off after a few seconds.

WARNING

NOTICE
Introduction
Start/stop systemRecycling and Disposal Regulations
Note
The laws and regulations listed below are applicable in
Germany. Different or additional laws and regulations may apply
in other countries.
Addresses in other countries can be obtained from the
relevant au ...
Additional Information Sources
Technical Service Handbook outlining action to be taken to
rectify current problems.
For the repair manual for model-specific repair work. Refer
to
→ Heating, Ventilation and Air Conditioning; Rep. Gr.87.
...
A/C Pressure Switch -F129
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...