On-Board Diagnostic System; Economical Driving Indicator; Engine Oil Consumption; Traveling Abroad - Mercedes-Benz 1989 560 SL Owner's Manual

On-Board Diagnostic System
(California models only)
The CIS-E control unit monitors
emission control components that
either provide input signals to or
receive output signals from the
control unit. Malfunctions resulting
from interruptions or failure of any
of these components are indicated
by the "CHECK ENGINE" indicator
lamp in the instrument cluster and
are simultaneously stored in the
CIS-E control unit.
If the "CHECK ENGINE" indicator
lamp comes on, have the system
checked at your authorized
MERCEDES-BENZ dealer at the first
opportunity.
An on-board test connection with
pushbutton and light emitting diode
(LED) is located on the engine
compartment firewall, allowing the
accurate detection of system
malfunctions.
68
Economical Driving Indicator
(ECONOMY)
The indicator shows the fuel con-
sumption tendency during various
driving modes.
High fuel consumption is indicated
if the pointer moves into the red
area; economical driving is indicat-
ed when it is in the black area. The
indications should only be com-
pared when driving within the same
gear.
Do not compare fuel consumption
readings between different gears.
The following rule applies: If you
drive at equal speeds, the fuel con-
sumption is lower in the higher
gear, although in this gear the
pointer is more frequently in the
red area.
Engine Oil Consumption
Engine oil consumption can only be
determined after a certain mileage
has been covered. During the
break-in period, higher oil con-
sumption may be noticed and is
normal.
Traveling Abroad
Abroad, there is a widely-spread
MERCEDES-BENZ service network
at your disposal. If you plan to trav-
el into areas which are not listed in
the index of your dealer directory,
you should request pertinent
information from your authorized
MERCEDES-BENZ dealer.