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"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 190 Db |
| Type |
190 Db |
| Name |
190 Db |
| Name |
Mercedes-Benz type 190 Db |
| Short name |
190 Db |
| Model |
W 121 D II |
| Production |
06.59 - 09.61 |
| Number produced |
60.598 saloons |
| Comments concerning the production period |
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| Prices |
9.950,00 DM |
| Wheelbase |
2650 mm |
| Track rear/front |
1430/1475 mm |
| Length |
4500 mm |
| Width |
1740 mm |
| Height |
1560 mm |
| Smallest turning circle |
10,7 m |
| Chassis weight |
| Max. total weight |
1660 kg |
| Max. front axle weight |
780 kg |
| Max. rear axle weight |
880 kg |
| Max. load |
450 kg |
| Max. trailer weight braked |
1200 kg |
| Max. trailer weight unbraked |
640 kg |
| Weight empty |
1210 kg |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Diesel (with indirect injection) |
| Configuration |
front, parallel; upright |
| Type |
OM 621 I / 621.910 |
| No. of cylinder/configuration |
4 / in line |
| Bore x stroke |
85 x 83,6 mm |
| Total displacement |
1897 ccm (tax classification: 1882 ccm) |
| Compression ratio |
21 |
| Crankshaft bearing |
3 |
| Output |
50 hp at 4000 /min |
| Maximum torque |
11,0 mkg at 2200 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
top camshaft |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
indirect injection, mechanically controlled;~Bosch 4-plunger-type injection pump |
| Cooling |
water cooling / pump; 9,3 l water |
| Lubrication |
pressure circulation lubrication / 4 l oil |
| Electric system |
12 V |
| Battery |
84 Ah / in the engine compartment |
| Dynamo |
160 W |
| Starter motor |
electrical / 1,8 PS |
| Ignition |
compression ignition engine |
| Fuel tank |
in the rear / 56 l |
| Fuel supply |
piston pump at the injection pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
floor assembly / self-supporting all-steel body |
| Wheel suspension front |
double wishbone |
| Wheel suspension rear |
single-joint swing axle |
| Suspension front |
coil springs, torsion bar stabilizer |
| Suspension rear |
coil springs |
| Damper |
hydraulic telescopic damper |
| Steering |
recirculating-ball steerg. |
| Steering transm ratio |
18,5:1 / 3,5 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic, effective on front- and rear wheels ; drum brakes front and rear |
| Parking breake |
parking brake |
| Parking breake |
mechanical, effective on rear wheels |
| Diamatre |
brake drums front / rear: 230 mm |
| Wheels |
sheet steel-disc wheels |
| Wheels rims |
drop centre rim 4 1/2 K x 13 B |
| Tyres |
6,40-13 |
Skrzynie biegów tego modelu (gearbox and performance):
"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 190 Db |
| Gearbox |
4-speed gear shift |
| Availability |
Series |
| Shifting |
Gear shift |
| Clutch |
Single-plate dry clutch |
| Type of gearbox |
Pinion change gear |
| Synchromesh gears |
I - IV |
| Gear transmission |
I. 4,05; II. 2,38; III. 1,53; IV. 1,0; R. 3,92 |
| Differential ratio |
3,70 |
| Maximum speed |
120 km/h |
| Accelerations |
29 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
7,1 l |
| acc. to guideline |
DIN 70030, ascertained at 3/4 of max. speed,
maximal 110 km/h, unter Zuschlag von 10 % |
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