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Types 300 - 300 d (W 186, W 189)
Mercedes-Benz type 300 b |
| Type |
300 b |
| Name |
300 b |
| Name |
Mercedes-Benz type 300 b |
| Short name |
300 b |
| Model |
W 186 III |
| Production |
03.54 - 08.55 |
| Number produced |
1.639 saloons, 10 chassis |
| Comments concerning the production period |
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| Prices |
22.000,00 DM |
| Wheelbase |
3050 mm |
| Track rear/front |
1480/1525 mm |
| Length |
5055 mm |
| Width |
1838 mm |
| Height |
1600 mm |
| Smallest turning circle |
12,6 m |
| Chassis weight |
| Max. total weight |
2220 kg |
| Max. front axle weight |
1060 kg |
| Max. rear axle weight |
1160 kg |
| Max. load |
450 kg |
| Max. trailer weight braked |
1200 kg |
| Max. trailer weight unbraked |
750 kg |
| Weight empty |
1770 kg |
| According to guideline |
DIN 70020 (with fuel, spare wheel and tool equipment) |
| Operating method |
four-stroke Otto |
| Configuration |
front, parallel; upright |
| Type |
M 186 II / 186.920 |
| No. of cylinder/configuration |
6 / in line |
| Bore x stroke |
85 x 88 mm |
| Total displacement |
2996 ccm (tax classification: 2975 ccm) |
| Compression ratio |
7,4 - 7,5 |
| Crankshaft bearing |
7 |
| Output |
125 hp at 4500 /min |
| Maximum torque |
22,5 mkg at 2600 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
top camshaft |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
2 register-downdraught carburetters Solex 32 PAIAT with automatic choke |
| Cooling |
water cooling / pump; 20 l water |
| Lubrication |
pressure circulation lubrication / 6,5 l oil |
| Electric system |
12 V |
| Battery |
70 Ah / in the engine compartment |
| Dynamo |
150 W |
| Starter motor |
electrical / 1,0 PS |
| Ignition |
battery ignition |
| Fuel tank |
in the rear / 72 l |
| Fuel supply |
diaphragm pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
X-shaped oval tube frame with centre reinforcement / all-steel body |
| Wheel suspension front |
double wishbone |
| Wheel suspension rear |
oscillating swing axle |
| Suspension front |
coil springs, torsion bar stabilizer |
| Suspension rear |
double coil springs, electrically engageable torsion-bar suspension |
| Damper |
hydraulic telescopic damper |
| Steering |
recirculating-ball steerg. |
| Steering transm ratio |
21,4:1 / 3,75 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic, with vacuum-operated brake servo unit, 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: 260 mm |
| Wheels |
sheet steel-disc wheels |
| Wheels rims |
drop centre rim 5 K x 15 |
| Tyres |
7,00-15 extra (6 PR) |
Skrzynie biegów tego modelu (gearbox and performance):
Types 300 - 300 d (W 186, W 189)
Mercedes-Benz type 300 b |
| 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. 3,44; II. 2,30; III. 1,53; IV. 1,0; R. 3,08 |
| Differential ratio |
4,67 |
| Maximum speed |
160 km/h |
| Accelerations |
17 s |
| Comments |
Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons |
| Fuel consumption |
12,5 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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