431 Technical data
Engine
Model
C 350 (203.056)
1
C 350 Sport (203.056)
1
C 350 4MATIC (203.087)
1
Engine
272
Mode of operation
4-stroke engine, gasoline injection
No. of cylinders
6
Bore
3.65 in (92.90 mm)
Stroke
3.38 in (86.00 mm)
Total piston displacement
213.5 cu in (3 498 cm
3)
Compression ratio
10.5:1
Output acc.
to SAE J 1349
268 hp/6 000 rpm
2
(200 kW/6 000 rpm)
Maximum torque acc.
to SAE J 1349
258 lb-ft/3 000 rpm
(350 Nm/3 000 rpm)
Maximum engine speed
6700 rpm
Firing order
1-4-3-6-2-5
Poly-V-belt
2404 mm
1The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the
corresponding data of all special bodies and special equipment.2Premium fuel required. Performance may vary with fuel octane rating.
452 Technical termsMON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized
method. It is an indication of a
gasoline’s ability to resist undesired
detonation (knocking). The average of
both the MON (Motor Octane Number)
and ->RON (Research Octane Number)
is posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Display field in the instrument cluster
used to present information provided
by the control system.
Multifunction steering wheel
Steering wheel with buttons for
operating the control system.
Normal occupant weight
(
page 332)OCS
(O
ccupant C
lassification S
ystem)
The system automatically turns the
front passenger front air bag on or off
based on the classified occupant size
category determined by weight sensor
readings from the seat.
Occupant distribution
(
page 332)
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this
engine speed range, as it may result in
serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.Power train
Collective term designating all
components used to generate and
transmit motive power to the drive
axles, including
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axles
Production options weight
(
page 333)
Program mode selector switch
Used to switch the automatic
transmission* between standard
operationS and comfort operationC.
466 IndexOperating safety 199
Ornamental moldings, Cleaning 344
Outside temperature see Displays
Overhead control panel 29
Overspeed range, engine 452
P
Paintwork, Cleaning 342
Panic alarm* 86
Parcel net
In front passenger footwell 258
Parking 57, 285
Parking brake 50, 58
Engaging 58
Message in display 370
Releasing 50
Parking lamps
Messages in display 379
Replacing bulbs 398
Parking position*
Exterior rear view mirrors 117, 154,
172
Parts service 426Passenger compartment 290
Interior lighting 125
Interior rear view mirror 43
Main fuse box in 422
Parcel net in front passenger
footwell 258
Passenger safety see Occupant safety
Pedals 283
Phone* see Telephone*
Plastic and rubber parts, Cleaning and
care of 346
Poly-V-belt drive 452
Layout 429
Positions (memory function*) see Seats
Power assistance 283
Power outlet in rear passenger
compartment 263
Power seat* see Seats, Power* 38
Power tilt/sliding sunroof* 244
Messages in display 382
Opening/closing 244
Opening/closing in an
emergency 393
Opening/closing, SmartKey 243
Stopping 246
Synchronizing 246Power train 452
Power washer 342
Power windows 240
Cleaning 345
Opening/closing 240
Rear door window,
Blocking operation 85
Stopping 242
Synchronizing 242
Practical hints 350
Premium unleaded gasoline 443
Problems
While driving 56
With vehicle 17
Product information 9
Production options weight 333
Program mode 130
Program mode selector switch 452
Automatic shift program, automatic
transmission* 167
PSI 333
Push starting 415