Types 250 S - 300 SEL 6.3 (series 108, 109)
Mercedes-Benz type 250 SE
Type 250 SE 
Name 250 SE 
Name Mercedes-Benz type 250 SE 
Short name 250 SE 
Model W 108 III 
Production 08.65/09.65 - 01.68 
Number produced 55.181 
Comments concerning the production period begin of production - pre-production batch / main production - end of production 
Prices 08.65: 16.850,00 DM 08.66: 17.350,00 DM 
Wheelbase 2750 mm 
Track rear/front 1482/1485 mm 
Length 4900 mm 
Width 1810 mm 
Height 1440 mm 
Smallest turning circle 11,5 m 
Chassis weight
Max. total weight 1980 kg 
Max. front axle weight 910 kg 
Max. rear axle weight 1070 kg 
Max. load 500 kg 
Max. trailer weight braked 1200 kg 
Max. trailer weight unbraked 750 kg 
Weight empty 1480 kg 
According to guideline DIN 70020 (with fuel, spare wheel and tool equipment) 
Operating method four-stroke Otto (with manifold-injection) 
Configuration front, parallel; upright 
Type M 129 I / 129.980 
No. of cylinder/configuration 6 / in line 
Bore x stroke 82 x 78,8 mm 
Total displacement 2496 ccm (tax classification: 2470 ccm) 
Compression ratio 9,3; since 09.66: 9,5 
Crankshaft bearing 7 
Output 150 hp at 5500 /min 
Maximum torque 22,0 mkg at 4200 /min 
No. of valves/configuration 1 intake, 1 exhaust / overhead 
Valve operation top camshaft 
Camshaft drive duplex roller-type chain 
Mixture formation manifold-injection, mechanically controlled;~Bosch 6-plunger-type injection pump 
Cooling water cooling / pump; 11,4 l water 
Lubrication pressure circulation lubrication / 5,5 l oil 
Electric system 12 V 
Battery 55 Ah / in the engine compartment 
Dynamo three-phase AC / 490 W 
Starter motor electrical / 0,8 PS 
Ignition battery ignition 
Fuel tank in the rear / 82 l 
Fuel supply electric supply 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 single-joint swing axle with hydropneumatic compensating spring und level control 
Suspension front coil springs, torsion bar type stabilizer 
Suspension rear coil springs 
Damper hydraulic telescopic damper 
Steering rec.-ball steering; on demand ball-and-nut power steering 
Steering transm ratio 22,8:1 / 4,1 steering wheel turns; w/ power steering: 17,2:1 / 3,2 swt. 
Breaking system braking system 
Breaking system hydraulic dual-circuit braking system with vacuum-operated brake servo unit, effective on front- and rear wheels ; disc brakes front and rear 
Parking breake parking brake 
Parking breake mechanical, effective on rear wheels 
Diamatre brake discs front / rear: 273 / 279 mm 
Wheels sheet steel-disc wheels 
Wheels rims drop centre rim 6 J x 14 HB 
Tyres 7,35 H 14 or 185 H 14 

Skrzynie biegów tego modelu (gearbox and performance):

Types 250 S - 300 SEL 6.3 (series 108, 109)
Mercedes-Benz type 250 SE
Gearbox 4-speed gear shift 
Availability Series 
Shifting steering wheel or feed control 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears I - IV 
Gear transmission I. 4,05; II. 2,23; III. 1,40; IV. 1,0; R. 3,58 
Differential ratio 3,92 
Maximum speed 190 km/h 
Accelerations 11,8 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 11,7 l 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 % 
Types 250 S - 300 SEL 6.3 (series 108, 109)
Mercedes-Benz type 250 SE
Gearbox 4-speed autom. gear shift 
Availability by request 
Shifting Switch lever at steering wheel or in car center 
Clutch hydr. clutch in the autom. gear 
Type of gearbox Planet gear 
Synchromesh gears  
Gear transmission I. 3,98; II. 2,52; III. 1,58; IV. 1,0; R. 4,15 
Differential ratio 3,92 
Maximum speed 185 km/h 
Accelerations 12 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 11,7 l 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 %