See also:

Low-beam headlamps (halogen headlamps)
Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. •► Switch off the lights. •► ...

Making adjustments in 5 mph (Canada: 10 km/h) increments
•► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: corrosion protection antifreeze protection raising the boiling ...