DEF (BlueTEC vehicles only)
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
When the supply of DEF is almost used up,
the Check Additive See Op ...
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
■ To activate: press the button.
The indicator lamp in the but ...
Engine number
Example: G 550
1 Plate with information on emissions
testing, including the confirmation of the
emission standards at U.S. federal level
as well as for California
2 Engine number (stamped into ...