Users Manual Part 5

Display messages
Possible causes/consequences and M Solutions
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Connect a suitable charger approved for Mercedes-Benz with sufficient charge output to the jump-start connec‐
tion point of the 12 V battery (/ page 480).
The 48 V battery is charged via the voltage converter in the vehicle.
Motor can be started again
* The 48 V battery has been charged automatically via the voltage converter.
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Start the engine and drive the vehicle for a while to charge the 12 V battery and the 48 V battery.
Tyre pressure monitor
Display messages
Possible causes/consequences and M Solutions
Tyre press. monitor cur-
rently unavailable
* There is interference from a powerful radio signal source. As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitor is temporarily unavailable.
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Drive on.
The tyre pressure monitor will restart automatically as soon as the cause has been rectified.
Tyre press. monitor inoper-
ative
* The tyre pressure monitor is malfunctioning.
&
WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the
tyres.
Tyres with insufficient tyre pressure may impair the driving characteristics as well as steering and braking.
626
Display messages and warning/indicator lamps