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
Concept
The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, for instance in traffic congestion or at traffic
lights. Drive-ready state remains switched on.
Functional requirements
Steptronic transmission
The engine starts automatically under the following
preconditions:
By releasing the brake pedal.
When Automatic Hold is activated: press the
acceler
Necessary preliminary work
Remove FRONT WHEELS
Remove and clean BRAKE PADS
NOTE: After completing work, read and comply with notes on BRAKING IN NEW
BRAKE DISCS/BRAKE PADS.
Check minimum brake disc thickness:
Position special tool 34 1 280 at three measuring points in area (1) and
measure.
Necessary preliminary work
Check TIMING
Remove left INLET AND EXHAUST ADJUSTMENT UNIT
Release screw (1).
NOTE: Guide rail is loose from cylinder head.
Fig. 51: Identifying Screw Of Guide Rail
Release bolts (1) at front from cylinder head.
Fig. 52: Identifying Bolt On Front Cylinder Head
Releas