See also:

Please bear the following in mind
Resetting service interval display If the qualified specialist workshop, e.g. a Mercedes-Benz Center, carried out the maintenance work, the service interval display will be reset. Further info ...

Additives
Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...

DEF
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under no ...