Owner`s manual

146 Driv in g and Op era tion
z If the control ind icator Z flashes to
indicate emissions, back off until the
flashing stops and the control indicator
illuminates. Contact a workshop
im mediately. Control indicator for
emissions Z, see page 147.
Cata lytic converter for d iesel engines
Damage to the catalytic converter or the
vehicle may result if the follow ing points
are not observed:
z On uneven running, a clear drop-off in
eng ine power or other unusual operating
symptoms, contact a workshop
immediately. Continue driving if
necessary for a short time at low speed
and low revs.
Irregular engine running and a loss of
engine power when the Electronic
Stab ility Progra mme ESP®
Plus
3 comes
into action are due to the operating
conditions and are therefore of no
significance - see page 149.
Picture no: 17875s.tif
C ont rolling exhaust emission
Some of the damaging substances in the
exhaust such as carbon monoxide (CO),
hydrocarbons (HC) and nitrous oxides
(NO
x
) are reduced to a minimum by
making structural changes – mainly in the
injection system and the ignition system in
conjunction with the catalytic converter.