"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 180 chassis with two-door partial body
Type 180 chassis with two-door partial body 
Name 180 chassis with two-door partial body 
Name Mercedes-Benz type 180 chassis with two-door partial body 
Short name 180 chassis with two-door partial body 
Model W 120 B I 
Production 1955 - 1957 
Number produced 279 chassis with 2- and 4-door partial body, resp. 
Comments concerning the production period  
Prices 11.55: 7.900,00 DM 05.56: 7.450,00 DM 
Wheelbase 2650 mm 
Track rear/front 1420/1450 mm, since 09.55: 1420/1460 mm 
Length  
Width  
Height  
Smallest turning circle  
Chassis weight
Max. total weight 1985 kg 
Max. front axle weight 735 kg 
Max. rear axle weight 1250 kg 
Max. load  
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty 910 kg 
According to guideline DIN 70020 (with fuel, spare wheel and tool equipment) 
Operating method four-stroke Otto 
Configuration front, parallel; upright 
Type M 136 VII / 136.925 
No. of cylinder/configuration 4 / in line 
Bore x stroke 75 x 100 mm 
Total displacement 1767 ccm (tax classification: 1755 ccm) 
Compression ratio 6,7 
Crankshaft bearing
Output 52 hp at 4000 /min 
Maximum torque 11,4 mkg at 1800 /min 
No. of valves/configuration 1 intake, 1 exhaust / lateral, upright 
Valve operation lateral camshaft 
Camshaft drive duplex roller-type chain 
Mixture formation 1 downdraught carburetter Solex 32 PICB 
Cooling water cooling / pump; 9 l water 
Lubrication pressure circulation lubrication / 4 l oil 
Electric system 6 V 
Battery 70 Ah; since 09.55: 84 Ah / in the engine compartment 
Dynamo 130 W; since 09.55: 160 W 
Starter motor electrical / 0,6 PS 
Ignition battery ignition 
Fuel tank in the rear / 56 l 
Fuel supply diaphragm 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 6,70-13 

Skrzynie biegów tego modelu (gearbox and performance):

"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 180 chassis with two-door partial body
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 3,89 
Maximum speed  
Accelerations  
Comments  
Fuel consumption  
acc. to guideline