Mercedes-Benz GLE Operator's Manual page 433

Display messages Possible causes/consequences and
Engine Can Now Be Started * The 48 V battery has been charged automatically via the voltage converter.
Tire pressure monitor
Display messages Possible causes/consequences and
* There is interference from a powerful radio signal source. As a result, no signals from the tire pressure sensor are
Tire Press. Monitor Cur-
rently Unavailable
* The tire pressure monitor is malfunctioning.
Tire Press. Monitor Inopera-
tive
Connect a suitable charger approved for Mercedes-Benz with sufficient charge output to the jump-start connec‐
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tion point of the 12 V battery (
/
The 48 V battery is charged via the voltage converter in the vehicle.
Start the engine and drive the vehicle for a while to charge the 12 V battery and the 48 V battery.
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being received. The tire pressure monitor is temporarily unavailable.
Drive on.
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The tire pressure monitor will restart automatically as soon as the cause has been rectified.
& WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
Tires with insufficient tire pressure may impair the driving characteristics as well as steering and braking.
Have the tire pressure monitoring system checked at a qualified specialist workshop.
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Display messages and warning/indicator lamps 431
M M Solutions
page 327).
M M Solutions