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Limousines of the series 123
Mercedes-Benz type 280 |
| Type |
280 |
| Name |
280 |
| Name |
Mercedes-Benz type 280 |
| Short name |
280 |
| Model |
W 123 V 28 |
| Production |
07.75/12.75 - 07.81 |
| Number produced |
33.206 |
| Comments concerning the production period |
begin of production - pre-production batch / main production - end of production |
| Prices |
01.76: 24.997,20 DM
02.77: 26.129,40 DM
01.78: 26.364,80 DM
04.78: 27.350,40 DM
12.78: 27.899,20 DM
05.79: 28.095,20 DM
01.07.79: 28.346,05 DM
16.07.79: 28.894,10 DM
03.80: 30.035,40 DM
08.80: 30.600,40 DM |
| Wheelbase |
2795 mm |
| Track rear/front |
1488/1446 mm |
| Length |
4725 mm |
| Width |
1786 mm |
| Height |
1438 mm |
| Smallest turning circle |
11,29 m |
| Chassis weight |
| Max. total weight |
1975 kg |
| Max. front axle weight |
965 kg |
| Max. rear axle weight |
1010 kg |
| Max. load |
520 kg |
| Max. trailer weight braked |
1200 kg; since 1980: 1500 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1455 kg |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto |
| Configuration |
front, parallel; upright |
| Type |
M 110 V 28 / 110.923 |
| No. of cylinder/configuration |
6 / in line |
| Bore x stroke |
86,0 x 78,8 mm |
| Total displacement |
2746 ccm (tax classification: 2717 ccm) |
| Compression ratio |
8,7:1 |
| Crankshaft bearing |
7 |
| Output |
156 hp / 115 kW at 5500 /min |
| Maximum torque |
223 Nm at 4000 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / V-shaped overhead |
| Valve operation |
2 top camshafts |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
1 double-register-downdraught carburetter Solex 4 A 1 |
| Cooling |
water cooling / pump; 10 l water |
| Lubrication |
pressure circulation lubrication / 6 l oil |
| Electric system |
12 V |
| Battery |
55 Ah / in the engine compartment |
| Dynamo |
three-phase AC / 770 W |
| Starter motor |
electrical / 1,5 kW |
| Ignition |
battery ignition |
| Fuel tank |
above the rear axle / 80 l |
| Fuel supply |
diaphragm pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
self-supporting all-steel body |
| Wheel suspension front |
double wishbone-front axle with torsion bar type stabilizer |
| Wheel suspension rear |
diagonal-swing axle, on demand with hydropneumatic level control |
| Suspension front |
coil springs, suppl. rubber suspension, torsion bar stabilizer |
| Suspension rear |
coil springs, suppl. rubber suspension, torsion bar stabilizer |
| Damper |
hydraulic telescopic damper |
| Steering |
ball-and-nut power steering |
| Steering transm ratio |
14,20:1 / 2,7 steering wheel turns; since 1977: 16,55:1 / 3,2 |
| Breaking system |
braking system |
| Breaking system |
hydraulic dual-circuit braking system with vacuum-operated brake ~servo unit, since 08.80 on demand with antilock device; disc brakes front and rear |
| Parking breake |
parking brake |
| Parking breake |
mechanical (foot-operated), effective on rear wheels |
| Diamatre |
brake discs front / rear: 278 / 279 mm |
| Wheels |
sheet steel-disc wheels, on demand light-alloy disc wheels |
| Wheels rims |
6 J x 14 H 2 |
| Tyres |
195/70 HR 14 89 H |
Skrzynie biegów tego modelu (gearbox and performance):
Limousines of the series 123
Mercedes-Benz type 280 |
| Gearbox |
4-speed gear shift |
| Availability |
Series (until 04.77) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - IV |
| Gear transmission |
I. 3,90; II. 2,30; III. 1,41; IV. 1,0; R. 3,66 |
| Differential ratio |
3,54 |
| Maximum speed |
190 km/h |
| Accelerations |
10,6 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
10,2/12,7/18,5 l |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
Limousines of the series 123
Mercedes-Benz type 280 |
| Gearbox |
4-speed gear shift |
| Availability |
Series (from 05.77) |
| Shifting |
Feed control |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - IV |
| Gear transmission |
I. 3,98; II. 2,29; III. 1,45; IV. 1,0; R. 3,74 |
| Differential ratio |
3,54; from 11.77: 3,58 |
| Maximum speed |
190 km/h |
| Accelerations |
10,6 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
10,2/12,7/18,5 l |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
Limousines of the series 123
Mercedes-Benz type 280 |
| Gearbox |
4-speed autom. gear shift |
| Availability |
by request |
| Shifting |
Switch lever at steering wheel or in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
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| Gear transmission |
I. 3,98; II. 2,39; III. 1,46; IV. 1,0; R. 5,47 |
| Differential ratio |
3,54; from 11.77: 3,58 |
| Maximum speed |
185 km/h |
| Accelerations |
11,3 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
10,7/13,5/17,3 l |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
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