See also:

Adjusting the head restraints electrically
- To adjust the head restraint height: slide the switch for head restraint adjustment up or down in the direction of the arrow. ...

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. ...

Diesel Delight
Despite its hefty, 5,040-pound curb weight, the ML350 Bluetec moves out well, with power in reserve at midrange speeds. The diesel's power characteristics are well-suited to towing, and the SUV is ...