Page 144 of 453

141
Controls in detail
Automatic transmiss ion* Progr
amselector switch
The program selector switch is located on
the lo wer section of the centre console.
1 Prog ram selector switch
S Sport for all normal driving
conditions
C Comfort for comfort mode ï Vehicle with 7G-TRONIC*:
The automatic transmission
shifts as far as sixth gear only.
î Vehicle with 7G-TRONIC*:
The automatic transmission
shifts as far as sixth gear only.
é The automatic transmission
shif
ts as fa r as fourth gear only. è The automatic transmis
sion
shifts as far as third gear only.
The braking effect ofthe
engine can be utilised in this
position. ç Th
e automatic transmission
shifts as far as second gear
only.
Fo r braking on steep downhill
gradients and for drivi ng:
! on steep mountain roads
! in mountainous terrain
! inarduous condi tions æ Th
e automatic transmission
only works in first gear.
For braking on extremely steep
downhill grad ients and long
downhill stretches. Gea
rshift program P
27.00-2181-31 neu 209en_d2.boo Seite
141 Dienstag, 25. Mai 2004 7:26 19
Page 147 of 453

144 Controls in detail
Automatic transmission*i
Youc annot chang egear using the steering
wh eel gearshift buttons if the selector lever isin
position P,N or R.
If manual gearshi ftprogram Misse lected and
yo u restart the engine, the automatic transmis-
sion wi llswitch over to an automatic gearshift
program .If automatic gearshift program Sor Cis
selected, the automatic transmi ssion will remain
in this gearsh ift pro gram even after the engine is
rest arted. Manual gearshift program
In
ma nualge arshif tpr ogram M, you can
chan ge gear yourself using the steering
wheel gears hift buttons or the selector
lever.
You can select manual gearshift program
M using the program selector switch. The program selector switch is located on
the lower section
ofthe centre console.
1 Program selector switch
S Sport for all normal driving
conditions
C Comfort for comfort mode
M Manual for manual gearshifting
6 Press program selector switch 1
repeatedly untilMfor man ualgearshift
progr amMappears in the speedome-
ter.
The automatic transmission switches
to ma nual gearshift program M. Auto-
ma tic shifting is deactivated. When the selector lever is in position
D,
you can shift up or down manually through
the individual gears. The gear currently
selected and engaged is shown in the
speedometer.
Upshifting
6 Press the selector lever briefly to the
rig ht,towards D+.
or
6 Press the outer section of one of the
buttons on the steering wheel
( =
page 143).
The automatic transmission shifts to
the ne xtgear up.
Downshifting P27.60-2510-31
G
Risk of accident Do not
change down for additio nal engine
braking ona slippery road surface. The drive
wheels could then lose thei rgrip and the
ve hicle could skid. 209en_d2.boo Seite
144 Dienstag, 25. Mai 2004 7:26 19
Page 428 of 453

425
Technical terms
Parktronic* System wh ich makes parking easier by
giving the driver visual and audible sig-
nals.
Partial load mode Engine operating status in which only
part of the maximum engine output or
maximum torque isused, e.g. in ->over-
run mo de.
Program selector switch In vehicles wit h->automatic transmis-
sion*, switch used to shift between
"sport mode" and "comfort mode" or
to select the "manual gear shift pro-
gram"*. This aff ects the gearshift ing
characteristics of the transmission.
PTS* (->P ar
kt ronic s ystem*)
Ra
insen sor
Automatica lly switches the winds creen
wipers on in the event of rain.
RDS (R adio D ata S ystem)
Digital data transfer system for UHF ra-
dio stations.
Re arward-facing child seat
Special ->restraint system for children
up to nine months of age or weighing
up to 10 kg. If a rearward-f acing child
seat wi thautomatic ->child seat recog-
nition is fitted, the sensor system pre-
ve nts the front-passenger airbag from
being triggered.
Re stra int systems
Seat bel ts,belt tensioners, belt force
li miters, airbags and child restraint sys-
tems. As independent systems, their
protecti vefunctions complement one
another. Ribbed mats
Floormats with anti-slip rubber surface.
Rim Part of the ->wheel to whi chthe tyre is
fitted. Term commonly used for both
rim and wheel disc.
Roll-o ver ba rs
Occupant prote ction system consisting
of plastic-coated stee lpipes. The roll-
over bars are retracted in the bodywork
under normal driving conditions.
! The roll-over bars are raised auto-
matically in critic al driving situa-
tions.
! You can raise and lower the roll-
over bars manually.
RON (R esearch O ctane N umber)
Indicates the petrol octane num ber de-
ter mined bystan dard methods. RONis
a measure of the ->knock resistance of
the petrol. The RON is approximately
te n points higher than the ->MON. 209en_d2.boo Seite
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