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Limousines of the series 123
Mercedes-Benz type 250 long |
| Type |
250 long |
| Name |
250 long |
| Name |
Mercedes-Benz type 250 long |
| Short name |
250 long |
| Model |
V 123 V 25 |
| Production |
09.77 - 12.85 |
| Number produced |
5.180 saloons |
| Comments concerning the production period |
|
| Prices |
09.77: 34.798,50 DM
01.78: 35.112,00 DM
04.78: 36.332,80 DM
12.78: 37.072,00 DM
05.79: 37.268,00 DM
01.07.79: 37.600,75 DM
16.07.79: 38.273,10 DM
09.79: 38.668,60 DM
03.80: 40.182,80 DM
08.80: 40.939,90 DM
07.81: 42.262,00 DM
09.81: 42.397,60 DM
01.82: 43.561,50 DM
07.82: 45.064,40 DM
07.83: 45.463,20 DM
08.83: 46.968,00 DM
01.84: 48.051,00 DM
09.84: 49.476,00 DM
04.85: 50.901,00 DM
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| Wheelbase |
3425 mm |
| Track rear/front |
1477/1430 mm |
| Length |
5355 mm |
| Width |
1786 mm |
| Height |
1480 mm |
| Smallest turning circle |
13,35 m |
| Chassis weight |
| Max. total weight |
2235 kg |
| Max. front axle weight |
1045 kg |
| Max. rear axle weight |
1190 kg |
| Max. load |
665 kg |
| Max. trailer weight braked |
1200 kg; since 1980: 1500 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1570 kg |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto |
| Configuration |
front, parallel; upright |
| Type |
M 123 V 25 / 123.920 |
| No. of cylinder/configuration |
6 / in line |
| Bore x stroke |
86,0 x 72,45 mm |
| Total displacement |
2525 ccm (tax classification: 2492 ccm) |
| Compression ratio |
8,7; since 09.79: 9,0 |
| Crankshaft bearing |
4 |
| Output |
129 hp / 95 kW at 5500 /min;~since 09.79: 140 hp / 103 kW at 5500 /min |
| Maximum torque |
196 Nm at 3500 /min; since 09.79: 200 Nm at 3500 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
top camshaft |
| 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 |
electric supply 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 with hydropneumatic level control |
| Suspension front |
coil springs, suppl. rubber suspension, torsion bar stabilizer |
| Suspension rear |
coil springs, hydropneumatic spring struts, torsion bar stabilizer |
| Damper |
hydraulic telescopic damper / hydropneumatic spring struts |
| Steering |
ball-and-nut power steering |
| Steering transm ratio |
16,55:1 / 3,2 steering wheel turns |
| 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 |
| Wheels rims |
5 1/2 J x 15 H 2 |
| Tyres |
185 HR 15 93 H |
Skrzynie biegów tego modelu (gearbox and performance):
Limousines of the series 123
Mercedes-Benz type 250 long |
| Gearbox |
4-speed gear shift |
| Availability |
Series |
| 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 |
3,92; from 10.81: 3,69 |
| 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 |
9,7/11,9/17,1 l; from 10.81: 9,0/11,4/14,8 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 250 long |
| Gearbox |
5-speed gear shift |
| Availability |
by request (from 10.81) |
| 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 |
3,69 |
| 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 |
8,6/10,4/14,8 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 250 long |
| Gearbox |
4-speed autom. gear shift |
| Availability |
by request (until 09.81) |
| Shifting |
Switch lever at steering wheel or in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
|
| Gear transmission |
I. 3,98; II. 2,39; III. 1,46; IV. 1,0; R. 5,47 |
| Differential ratio |
3,92 |
| Maximum speed |
180 km/h |
| Accelerations |
12,2 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
10,1/12,9/16,0 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 250 long |
| Gearbox |
4-speed autom. gear shift |
| Availability |
by request (from 10.81) |
| Shifting |
Switch lever at steering wheel or in car center |
| Clutch |
hydr. torque converter in autom. gear |
| Type of gearbox |
Planet gear |
| Synchromesh gears |
|
| Gear transmission |
I. 3,68; II. 2,41; III. 1,44; IV. 1,0; R. 5,14 |
| Differential ratio |
3,69 |
| Maximum speed |
180 km/h |
| Accelerations |
12,2 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
9,5/11,9/14,5 l |
| acc. to guideline |
80/1268/EWG; values for 90 km/h / 120 km/h / city cycle |
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