Vehicle features and options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily ava
Control Display
Ventilation
Hazard warning system
Intelligent Safety
Glove compartment
Radio/multimedia, see Owner's Manual for
Navigation, Entertainment, and Communication
Automatic clima
Notes
SPECIAL TOOLS DESCRIPTION CHART
IMPORTANT: The contacts can be changed on ultrasonically welded plugs (1).
Ultrasonically welded plugs (1) must be replaced completely.
Ultrasonic-welded connectors (1) can be identified by the welds (2) on their
longitudinal side.
Fig. 174: Identifying Ultra
REPLACING ALL SPARK PLUGS (N54, N63, N74)
Necessary preliminary tasks
Switch off ignition.
Remove IGNITION COILS.
IMPORTANT: Wear safety goggles.
Oil and dirt particles may get into your eyes!
Clean spark plug slot with compressed air.
Unscrew spark plugs with special tool 12 1 220 and extensi