Symbols and messages for AdBlue®[1]
The emission control system continuously monitors the level, quality and dosage of AdBlue. If something is wrong, a message is shown in the driver display.

| Symbol | Message | Specification |
|---|---|---|
![]() | AdBlue level low | The AdBlue level is low and the tank needs to be topped up. |
![]() | AdBlue dosing and AdBlue quality | The system does not function as it should. Contact a workshop[2] to check the function. |
![]() | Refill AdBlue | The AdBlue level is critically low and the tank needs to be topped up immediately. |
![]() | Engine start prohibited and e.g.: Fill a minimum of 4.5 litres of AdBlue | The car cannot be started before AdBlue has been filled. Fill with AdBlue to the amount specified in the driver display, or contact a workshop[2]. Note that:
|
![]() | Engine start prohibited Service of AdBlue system needed to allow restart | The system does not function as it should. Contact a workshop[2] to check the function. |


