Emission Control
Certain systems of the engine
serve to keep the toxic compo-
nents of the exhaust gases within
permissible limits required by law.
These systems, of course, will
function properly only when
maintained strictly according to
factory specifications. Any adjust-
ments on the engine should,
therefore, be carried out only by
qualified Mercedes-Benz
technicians. The engine should
not be altered in any way. More-
over, the specified service and
maintenance jobs must be carried
out regularly according to
Mercedes-Benz servicing
requirements. For details refer to
the Maintenance Booklet.
Warning!
Inhalation of exhaust gas is
hazardous to your health. All
exhaust gas contains carbon
monoxide,
and inhaling it can
cause unconsciousness and
lead to death.
Do not run the engine in con-
fined areas (such as a garage)
which are not properly ventila-
ted. If you think exhaust gas
fumes are entering the vehicle
while driving, have the cause
determined and corrected im-
mediately. If you must drive
under these conditions, drive
only with at least one window
fully open.
oard Diagnostic System
(California models only)
The Continuous Fuel injection
(CFI) control module 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” mal-
function indicator lamp in the
instrument cluster and are simul-
taneously stored in the CFI control
module.
If the “CHECK ENGINE” malfunc-
tion indicator lamp comes on,
have the system checked at your
authorized Mercedes-Benz dealer
at the first opportunity.
An on-board diagnostic connector
with pushbutton and light emitting
diode (LED) is located on the
engine compartment firewall,
allowing the accurate identification
of system malfunctions through
the readout of diagnostic trouble
code.
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