E M Ission C O N Tro L; O N-B Oard D Iag N Ostic System (C Alifornia M Odels Only) - Mercedes-Benz 300 TE 124 T 1988 Owner's Manual

E m is s io n C o n tro l
C ertain s yste m s o f th e en gine serve
to keep th e to x ic c o m p o n e n ts o f the
e xh au st ga ses w ith in p e rm issib le lim ­
its re q u ire d by law.
These syste m s, o f co u rse , w ill fu n c ­
tio n p ro p e rly o n ly w h en m aintained
s tric tly a c c o rd in g to fa c to ry s p e c ific a ­
tio n s. A n y a d ju s tm e n ts on th e en gine
sh o u ld , th e re fo re , be ca rrie d o u t only
by qu alified M E R C E D E S -B E N Z te c h ­
nicians. The a d ju s tm e n ts o f the
e n gine s h o u ld n o t be a lte red in any
way. M ore ove r, the sp e c ifie d service
and m ainten ance jo b s m u st be c a r­
ried o u t re g ularly a c c o rd in g to
M E R C E D E S -B E N Z s e rv ic in g re q u ire ­
m en ts. F or d e ta ils re fe r to th e M a in te ­
nance B o o kle t.
70
W arning!
Inhalation of exhau st gas is h azard ­
ous to your health. All exhaust gas
contains carbon m onoxide, and
inhaling it can cause unconscious­
ness and lead to death.
Do not run th e en g in e in confined
areas (such as a g ara g e ) which are
not properly ve n tilate d . If you think
th at exhaust gas fum es are entering
the vehicle w hile driving, have the
cause determ ined and co rrected
im m ediately. If you m ust drive under
th e s e conditions, drive only w ith at
lea st one w indow fully open.
O n-B oard D iag n ostic System
(C alifornia m odels only)
The CIS-E c o n tro l unit m o n ito rs e m is­
sion c o n tro l c o m p o n e n ts th a t e ith e r
p ro vid e in p u t sig na ls to o r receive
o u tp u t sig na ls fro m th e c o n tro l unit.
M a lfu n c tio n s re su ltin g fro m in te rru p ­
tio n s o r failure o f any o f th e se c o m p o ­
n e n ts are in d ica te d by the " CH ECK
E N G IN E " in d ic a to r lam p in th e in s tru ­
m e n t c lu s te r and are s im u lta n e o u sly
s to re d in th e CIS-E c o n tro l unit.
If th e " C H ECK E N G IN E " in d ic a to r
lam p c o m e s on, have the system
ch e c k e d at y o u r a u th o rize d
M E R C E D E S -B E N Z de aler at th e firs t
o p p u rtu n ity .
A n o n -b o a rd te s t c o n n e c tio n w ith
p u s h b u tto n and light e m ittin g d io d e
(LED) is lo ca te d on th e e n gine c o m ­
p a rtm e n t firew all, allow in g th e a c c u ­
rate d e te c tio n o f system m a lfu n c­
tio n s.