Typ 290 (W 18)
Mercedes-Benz type 290 long
Type 290 long 
Name 290 long 
Name Mercedes-Benz type 290 long 
Short name 290 long 
Model W 18 
Production 1933 - 1937 
Number produced 3.929 
Comments concerning the production period  
Prices chassis RM 7.600,- saloon (4 doors, since 1935) RM 9.500,- Pullman saloon RM 9.900,- tourer (6 seats) RM 9.900,- cabriolet B RM 11.500,- cabriolet D RM 11.900,- cabriolet F (since 1935) RM 12.800,- cabriolet A (since 1936) RM 13.000,- roadster (since 1936) RM 13.000,- streamline saloon (1935) RM 12.000,- special saloon (1936) RM 15.000,- 
Wheelbase 3300 mm 
Track rear/front 1435/1476 mm 
Length 4870 mm 
Width 1730 mm 
Height 1660 mm 
Smallest turning circle 12,7 m 
Chassis weight
Max. total weight 2350 kg 
Max. front axle weight  
Max. rear axle weight  
Max. load  
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty Pullman saloon: 1850 kg; cabriolet F: 1980 kg 
According to guideline  
Operating method four-stroke Otto 
Configuration front, parallel; upright 
Type M 18 
No. of cylinder/configuration 6 / in line 
Bore x stroke 78 x 100 mm 
Total displacement 2867 ccm (tax classification: 2847 ccm) 
Compression ratio 5,75 - 6,0; since 1935: 6,6 
Crankshaft bearing 7 
Output 60 hp, since 1935: 68 hp at 3200 /min 
Maximum torque  
No. of valves/configuration 1 intake, 1 exhaust / lateral, upright 
Valve operation 1 lateral camshaft 
Camshaft drive via spur gears 
Mixture formation 1 updraught carburetter Solex 35 BFV 
Cooling water cooling / pump; 19 l water 
Lubrication pressure circulation lubrication / 8 l oil 
Electric system 12 V 
Battery 45 or 50 Ah 
Dynamo 90 W 
Starter motor electrical / 1,4 PS 
Ignition  
Fuel tank in the rear / 56 l 
Fuel supply  
Driven whells rear wheels 
Power transmission cardan shaft 
Frame desing box type pressed-steel low-bed frame 
Wheel suspension front above each 1 wishbone, below 1 transversal spring 
Wheel suspension rear swing axle with compensating springs lying below 
Suspension front 1 transversal spring, internal coil springs 
Suspension rear double coil springs 
Damper  
Steering screw spindle 
Steering transm ratio  
Breaking system braking system 
Breaking system hydraulic, effective on front- and rear wheels 
Parking breake parking brake 
Parking breake mechanical, effective on rear wheels 
Diamatre  
Wheels disc wheels or wire-spoked wheels 
Wheels rims drop centre rim 3,62 F x 17 
Tyres 6,50-17 

Skrzynie biegów tego modelu (gearbox and performance):

Typ 290 (W 18)
Mercedes-Benz type 290 long
Gearbox 3-speed gear shift with add. overdrive 
Availability until 1937 
Shifting Control lever car center 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears III - high speed 
Gear transmission I. 3,60; II. 1,75; III. 1,0; S. 0,75 
Differential ratio 6,12 
Maximum speed 103 km/h 
Accelerations  
Comments  
Fuel consumption 18 l 
acc. to guideline  
Typ 290 (W 18)
Mercedes-Benz type 290 long
Gearbox 4-speed gear shift 
Availability from 1937 
Shifting Control lever car center 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears III - IV 
Gear transmission I. 4,35; II. 2,27; III. 1,41; IV. 1,0 
Differential ratio 6,12 
Maximum speed 103 km/h 
Accelerations  
Comments  
Fuel consumption 18 l 
acc. to guideline