Frequently Asked Questions - Mercedes-Benz Wallbox Home Operating Manual

When the Wallbox is reconnected to the electricity grid, it will initiate the start-up procedure: This includes a test of the inter-
nal electronic components to ensure correct functioning.
The internal check routine is indicated by the LED display on the front of the Mercedes-Benz Wallbox Home as follows.
LED display
The vehicle can now be connected for charging.

Frequently asked questions

A few frequently asked questions regarding installation and operation of your Mercedes-Benz Wallbox Home are listed here.
Please always read this section first before you contact your local technical support: Your question may already be answered
here.
Can I install the Mercedes-Benz Wallbox Home myself?
No, electrical installation of the Mercedes-Benz Wallbox Home must always be carried out by a qualified specialist electrical
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contractor. Only then can electrically safe operation be guaranteed.
Installing the Mercedes-Benz Wallbox Home yourself can lead to a breach of warranty provisions and voids the warranty
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protection for operating the Wallbox.
How must the Mercedes-Benz Wallbox Home be protected electrically?
All phases of the Mercedes-Benz Wallbox Home must be protected in the domestic power distribution. Please always follow
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all local regulations for operating electrical devices.
Can the Mercedes-Benz Wallbox Home A0009067408 also be operated on a single phase power supply?
Yes, in principle all model variants of the Mercedes-Benz Wallbox Home can be operated on a single phase power supply.
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The Mercedes-Benz Wallbox Home is out of order (no LED display). How do I investigate the cause?
If no vehicle is connected to the Wallbox, the multi-colored LED display of the Wallbox must pulsate blue. Should this not be
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the case, please check the following:
1. The upstream miniature circuit breaker in your domestic power distribution
2. The internal residual current circuit breaker
Should these protection devices not show any obvious sign of malfunction, please contact your local Mercedes-Benz tech-
nical support.
The charging output of the Mercedes-Benz Wallbox Home is lower than expected. What may be the cause?
Please check first whether a limit to the charging output has been set in the vehicle (see the operating manual of the
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vehicle to be charged).
In some error scenarios, the internal safety circuits of the Mercedes-Benz Wallbox Home are triggered so that the current is
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being limited: In this case, the multi-colored LED display will pulsate green and flash red once. However, charging opera-
tions can continue. Should the internal safety features be activated repeatedly or permanently, please take the Wallbox out
of operation (see page 9) and contact your local Mercedes-Benz technical support.
Have the maximum charge current setting of the Wallbox checked and adjusted if necessary by a qualified specialist electri-
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cal contractor (see the section 'Setup and test mode') in the comprehensive installation manual for the Mercedes-Benz
Wallbox Home).
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Description
The LED flashes white once ...
... and then pulsates blue.