Engine

See also:

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 ...

Overview of warning and indicator lamps
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Panic alarm
► To activate: press button 1 for at least one second. An alarm sounds and the indicator lamp flashes. ► To deactivate: press button 1 again. or X Insert the SmartKey i ...