“Coffee Cup” symbol gets triggered by your Mercedes’s Attention Assist system.
It simply means, you are tired and you should take a break from driving.
You may disable this feature… but it's not recommended.
Are you interested to know more about this unique safety feature?
It is a crucial safety mechanism.
If enabled, it can analyze your driving pattern.
And, if it senses that you are tired or drowsy, it would activate audiovisual warnings.
Like, the appearance of the "Coffee Cup" symbol along with a "Take a Break!" or "Drowsiness Detected" message on the dash.
To analyze your driving style, Attention Assist takes the help of numerous sensors.
Like- Steering wheel angle sensor
If any of these sensors fail, it will render your Attention Assist useless.
In addition to sensors, Attention Assist employs a control unit.
The control unit's job is to analyze the inputs received from various sensors.
And, of course... problems with this part will hinder your Attention Assist's ability to do its job.
Whether
it is a sensor or a control unit - everything needs electricity to function.
If for some reason the power supply to those parts gets interrupted, your Mercedes's Attention Assist will malfunction.
The appearance of the "Coffee Cup" message simply means:-
Lately… your driving pattern has changed due to drowsiness.
If you keep driving, you may hit someone or something.
That’s why… you should take a break from driving.
If your Mercedes is alerting you that you are tired take a break from driving for at least 10 minutes.
