"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 180 D
Type 180 D 
Name 180 D 
Name Mercedes-Benz type 180 D 
Short name 180 D 
Model W 120 D I 
Production 10.53/02.54 - 07.59 
Number produced 114.046 saloons 
Comments concerning the production period begin of production - pre-production batch / main production - end of production 
Prices 02.54: 10.300,00 DM 01.56: 9.850,00 DM 05.56: 9.450,00 DM 09.58: 9.200,00 DM  
Wheelbase 2650 mm 
Track rear/front 1420/1450 mm, since 09.55: 1420/1460 mm 
Length 4460 mm 
Width 1740 mm 
Height 1560 mm 
Smallest turning circle 10,7 m 
Chassis weight
Max. total weight 1650 kg 
Max. front axle weight 770 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 1200 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 636 VII / 636.930 
No. of cylinder/configuration 4 / in line 
Bore x stroke 75 x 100 mm 
Total displacement 1767 ccm (tax classification: 1755 ccm) 
Compression ratio 19 
Crankshaft bearing
Output 40 hp at 3200 /min; since 09.55: 43 hp at 3500 /min 
Maximum torque 10,3 mkg at 2000 /min 
No. of valves/configuration 1 intake, 1 exhaust / overhead 
Valve operation lateral camshaft 
Camshaft drive spur gears 
Mixture formation indirect injection, mechanically controlled;~Bosch 4-plunger-type injection pump 
Cooling water cooling / pump; 8,6 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 oscillating swing axle; since 09.55: 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 
Tyres 6,40-13 

Skrzynie biegów tego modelu (gearbox and performance):

"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 180 D
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 110 km/h 
Accelerations 39 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 6,3 l 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 %