See also:

How the occupant classification system works
The Occupant Classification System (OCS) categorizes the occupant on the frontpassenger seat by means of a weight sensor. The front-passenger front air bag is deactivated automatically for cert ...

Exterior
The E-Class was redesigned for 2010, and I'm not a huge fan of the new look. It trades the rounded edges and quad headlights I liked from the previous model for a more angular, sharper look. It bl ...

Changing the battery
You require a CR 2025 3 V cell battery. Take the mechanical key out of the SmartKey. Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery t ...