Type 260 D (W 138)
Mercedes-Benz type 260 D
Type 260 D 
Name 260 D 
Name Mercedes-Benz type 260 D 
Short name 260 D 
Model W 138 
Production 1937 - 1940 
Number produced altogether 1.967 (both bodywork versions) 
Comments concerning the production period  
Prices chassis RM 5.800,- saloon (4 doors) RM 6.800,- cabriolet B RM 8.500,- cabriolet D RM 9.500,- Pullman saloon RM 7.600,- Pullman-Landaulet RM 7.900,- hackney-carriage saloon RM 6.750,- hackney-carriage Landaulet RM 6.950,- 
Wheelbase 3050 mm 
Track rear/front 1370/1390 mm; since 1938: 1382/1412 mm 
Length 4580 mm (Pullman 4790 mm) 
Width 1710 mm 
Height 1610 mm 
Smallest turning circle 11,8 m 
Chassis weight
Max. total weight 2125 kg 
Max. front axle weight  
Max. rear axle weight  
Max. load  
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty saloon: 1550 kg; Pullman saloon: 1680 kg 
According to guideline  
Operating method four-stroke Otto 
Configuration front, parallel; upright 
Type OM 138 
No. of cylinder/configuration 4 / in line 
Bore x stroke 90 x 100 mm 
Total displacement 2545 ccm (tax classification: 2527 ccm) 
Compression ratio 20,5 
Crankshaft bearing
Output 45 hp at 3000 /min 
Maximum torque  
No. of valves/configuration 1 intake, 1 exhaust / overhead 
Valve operation 1 lateral camshaft 
Camshaft drive via spur gears 
Mixture formation injection pump Bosch 
Cooling water cooling / pump; 11 l water 
Lubrication pressure circulation lubrication / 6 l oil 
Electric system 24 V 
Battery 2 x 12 V 62,5 Ah 
Dynamo 200 W 
Starter motor electrical / 4 PS 
Ignition  
Fuel tank in the rear / 50 l 
Fuel supply  
Driven whells rear wheels 
Power transmission cardan shaft 
Frame desing box-section pressed-steel low-bed frame 
Wheel suspension front 1 transversal spring above and 1 below 
Wheel suspension rear swing axle 
Suspension front transversal springs 
Suspension rear double coil springs 
Damper  
Steering ZF-Roá worm-and-sector steering 
Steering transm ratio  
Breaking system braking system 
Breaking system hydraulic, effective on front- and rear wheels 
Parking breake parking brake 
Parking breake mechanical; on drive shaft, since 1938 on rear wheels 
Diamatre  
Wheels disc wheels 
Wheels rims drop centre rim 4,00 E x 16 und 4,50 E x 16 
Tyres 5,50-17; since 1938: 6,50-16 

Skrzynie biegów tego modelu (gearbox and performance):

Type 260 D (W 138)
Mercedes-Benz type 260 D
Gearbox 4-speed gear shift ZF 
Availability  
Shifting Control lever car center 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears I - IV 
Gear transmission I. 5,27; II. 2,52; III. 1,50; IV. 1,0 
Differential ratio 6,125 
Maximum speed 94 km/h 
Accelerations  
Comments  
Fuel consumption 11 l D 
acc. to guideline