Service
Active Service System
ASSYST PLUS, the Active Service System, tells you when the next service is due.
Whenever a service is due, this is shown in the multi-function display:
Next service A in ... days
Next service A in ... km
Service A due
Service message in a vehicle with a luxury multi-function steering wheel*
The letter indicates which service must be carried out. A stands for a minor service and B for a major service. A number or another letter may be displayed after the letter. This figure indicates any necessary additional maintenance work to be performed. If you report this displayed information to a qualified specialist workshop, for example a Mercedes-Benz Service Centre, they can inform you of the costs the service will incur.
ASSYST PLUS does not record any periods of time during which the battery is disconnected. In order to maintain the time-dependent service schedule, you should call up the service due date and make a note of it before you disconnect the battery. The alternative is to subtract the battery-disconnection periods from the service date shown on the display.
Fading out the service message
Missing the service due date
One of the following messages will appear in the multi-function display, for example:
Service A overdue by ... days
Service A overdue by ... km
A qualified specialist workshop, e.g. a Mercedes-Benz Service Centre, will reset the service indicator after the necessary service work has been carried out.
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If you fail to have the service performed by the specified date, you may be contravening the relevant laws. Your warranty may be invalidated and goodwill settlements may be refused.
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Calling up the service due date
Multi-function steering wheel (4 buttons)
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Switch on the ignition.
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Select the ASSYST PLUS menu by pressing  .
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Vehicles with a luxury multi-function steering wheel* (12 buttons)
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or 
button to select the 
or 
button to select the 