250 long-wheelbase chassis

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:
double roller chain
Fuel system:
1 Solex 4 A dual compound downdraught carburettor
Fuel tank: position / capacity:
under the rear floor / 70 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, hydropneumatic spring struts, torsion bar stabiliser
Shock absorber front/rear:
telescopic shock absorbers
Steering:
recirculating-ball power steering
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 disc wheels
Wheel rims:
5 1/2 J x 15 H 2
Tires:
185 HR 15 93 H
Driven wheels:
rear wheels
Drivetrain:
divided cardan shaft

Wheelbase:
3425 mm
Front / rear track:
1477 / 1430 mm
Length:
5355 mm
Width:
1786 mm
Kerb weight:
1250 kg
by Guideline:
chassis with partial body, tank full, not including spare wheel and tool kit
Gross weight:
2260 kg