250
  • Model
    W 123 V 25
  • Description
    123.026
  • Production
    07.1975 / 04.1976 - 12.1985
  • production start-up pre-production series / standard production - end of production
  • Combustion principle
    four-stroke petrol
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 123 V 25 / 123.920
  • Number of cylinders / arrangement
    6 / in line
  • Bore x Stroke
    86.0 x 72.45 mm
  • Total displacement
    2525 cc (tax classification: 2492 cc)
  • Compression ratio
    8.7; from 09.1979: 9,0
  • Rated output
    129 hp / 95 kW at 5500 rpm;~from 09.1979: 140 hp / 103 kW at 5500 rpm
  • Rated torque
    196 Nm at 3500 rpm; from 09.1979: 200 Nm at 3500 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / overhead
  • Valve operation
    1 overhead camshaft
  • Camshaft drive
    single roller chain
  • Fuel system
    1 Solex 4 A dual compound downdraught carburettor
  • Fuel tank: position / capacity
    above the rear axle / 80 l
  • Frame design
    steel unit body
  • Front-wheel suspension
    double wishbone
  • Rear-wheel suspension
    semi-trailing arm axle (hydropneumatic level control optional)
  • Front springs
    coil springs, supplementary rubber suspension, torsion bar stabiliser
  • Rear springs
    coil springs, supplementary rubber suspension, torsion bar stabiliser
  • Shock absorber front/rear
    telescopic shock absorbers
  • Steering
    recirculating-ball st. (power st. optional, from 08.1978 as standard)
  • Brake system (foot brake)
    hydraulic dual-circuit brake system with vacuum booster, antilock system optional from 08.1980; four-wheel disc brakes
  • Parking brake (hand brake)
    mechanical (foot-operated), acting on rear wheels
  • Wheels
    sheet-steel wheels (light-alloy wheels optional from 01.1978)
  • Wheel rims
    5 1/2 J x 14 H 2
  • Tires
    175 SR 14 88 S; from 09.1979: 175 HR 14 88 H
  • Driven wheels
    rear wheels
  • Drivetrain
    divided cardan shaft
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard (until 04.1977)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.90; II. 2.30; III. 1.41; IV. 1.0; R. 3.66
  • Final drive ratio
    3.69
  • Maximum speed
    185 km/h
  • Acceleration 0-100 km/h
    11.3 s
  • Comments
    acceleration by shifting through from 0 - 100 km/h (2 occupants)
  • Fuel consumption
    9.8 / 12.1 / 16.4 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed manual transmission
  • Availibility
    as standard (until 04.1977)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.98; II. 2.29; III. 1.45; IV. 1.0; R. 3.74
  • Final drive ratio
    3.69; from 10.1981: 3.58
  • Maximum speed
    185 km/h
  • Acceleration 0-100 km/h
    11.3 s
  • Comments
    acceleration by shifting through from 0 - 100 km/h (2 occupants)
  • Fuel consumption
    9.8 / 12.1 / 16.4 l; from 10.1981: 9.0 / 11.4 / 14.8 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    5-speed manual transmission
  • Availibility
    option (from 10.1981)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I. 3.82; II. 2.20; III. 1.40; IV. 1.0; V. 0.81; R. 3.71
  • Final drive ratio
    3.58
  • Maximum speed
    185 km/h
  • Acceleration 0-100 km/h
    11.3 s
  • Comments
    acceleration by shifting through from 0 - 100 km/h (2 occupants)
  • Fuel consumption
    8.6 / 10.4 / 14.8 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed automatic transmission
  • Availibility
    option (until 09.1981)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 3.98; II. 2.39; III. 1.46; IV. 1.0; R. 5.47
  • Final drive ratio
    3.69
  • Maximum speed
    180 km/h
  • Acceleration 0-100 km/h
    12.2 s
  • Comments
    acceleration by shifting through from 0 - 100 km/h (2 occupants)
  • Fuel consumption
    10.1 / 12.9 / 16.0 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Gearing
    4-speed automatic transmission
  • Availibility
    option (from 10.1981)
  • Shifting
    central floor gear shift lever
  • Clutch
    dry single-disc clutch
  • Transmission type
    planetary gear system
  • Gear ratios
    I. 3.68; II. 2.41; III. 1.44; IV. 1.0; R. 5.14
  • Final drive ratio
    3.58
  • Maximum speed
    180 km/h
  • Acceleration 0-100 km/h
    12.2 s
  • Comments
    acceleration by shifting through from 0 - 100 km/h (2 occupants)
  • Fuel consumption
    9.5 / 11.9 / 14.5 l
  • by Guideline
    80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
  • Wheelbase
    2795 mm
  • Front / rear track
    1488 / 1446 mm
  • Length
    4725 mm
  • Width
    1786 mm
  • Height
    1438 mm
  • Kerb weight
    1410 kg
  • by Guideline
    DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
  • Gross weight
    1930 kg
  • Units produced
    114.796
  • Prices
    01.1976: DM 21,767.10
    02.1977: DM 22,755.00
    01.1978: DM 22,960.00
    04.1978: DM 23,475.20
    08.1978: DM 24,169.60
    12.1978: DM 24,662.40
    05.1979: DM 24,858.40
    01.07.1979: DM 25,080.35
    16.07.1979: DM 25,515.40
    09.1979: DM 26,023.90
    03.1980: DM 27,040.90
    08.1980: DM 27,549.40
    07.1981: DM 28,396.90
    09.1981: DM 28,532.50
    01.1982: DM 29,312.20
    07.1982: DM 30,340.50
    07.1983: DM 30,609.00
    08.1983: DM 31,578.00
    01.1984: DM 32,319.00
    09.1984: DM 33,288.00
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