Types 250 S - 300 SEL 6.3 (series 108, 109)
Mercedes-Benz type 300 SEL 6.3
Type 300 SEL 6.3 
Name 300 SEL 6.3 
Name Mercedes-Benz type 300 SEL 6.3 
Short name 300 SEL 6.3 
Model W 109 E 63 
Production 12.67 - 09.72 
Number produced 6.526 
Comments concerning the production period  
Prices 05.68: 39.160,00 DM 07.68: 39.516,00 DM 11.69: 41.181,00 DM 08.70: 43.179,00 DM 01.71: 45.399,00 DM 01.72: 47.397,00 DM 
Wheelbase 2865 mm 
Track rear/front 1490/1485 mm 
Length 5000 mm 
Width 1810 mm 
Height 1420 mm 
Smallest turning circle 12,3 m 
Chassis weight
Max. total weight 2280 kg 
Max. front axle weight 1105 kg 
Max. rear axle weight 1175 kg 
Max. load 500 kg 
Max. trailer weight braked 1200 kg 
Max. trailer weight unbraked 750 kg 
Weight empty 1780 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 100 / 100.981 
No. of cylinder/configuration 8 / 90ř-V-form 
Bore x stroke 103 x 95 mm 
Total displacement 6332 ccm (tax classification: 6289 ccm) 
Compression ratio 9,0 
Crankshaft bearing
Output 250 hp at 4000 /min 
Maximum torque 51 mkg at 2800 /min 
No. of valves/configuration 1 intake, 1 exhaust / overhead 
Valve operation 1 top camshaft per cylinder line 
Camshaft drive duplex roller-type chain 
Mixture formation manifold-injection, mechanically controlled;~Bosch 8-plunger-type injection pump 
Cooling water cooling / pump; 18 l water 
Lubrication pressure circulation lubrication / 7 l oil 
Electric system 12 V 
Battery 66 Ah / in the engine compartment 
Dynamo three-phase AC / 770 W 
Starter motor electrical / 1,8 PS 
Ignition battery ignition 
Fuel tank in the rear / 105 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 level control 
Suspension front air-chamber bellows, suppl. rubber susp., torsion bar type stabilizer 
Suspension rear air-chamber bellows, suppl. rubber susp., torsion bar type stabilizer 
Damper hydraulic telescopic damper 
Steering ball-and-nut power steering 
Steering transm ratio 16,0:1 / 3 steering wheel turns 
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, since 08.70 on demand light-alloy wheels 
Wheels rims drop centre rim 6 1/2 J x 14 HB; for winter operation: 6 J x 14 HB 
Tyres 195 VR 14 or 205 VR 14; for operation in winter: 185 R 14 M + SE 

Skrzynie biegów tego modelu (gearbox and performance):

Types 250 S - 300 SEL 6.3 (series 108, 109)
Mercedes-Benz type 300 SEL 6.3
Gearbox 4-speed autom. gear shift 
Availability Series 
Shifting Switch lever in car center 
Clutch hydr. clutch in the autom. gear 
Type of gearbox Planet gear 
Synchromesh gears  
Gear transmission I. 3,98; II. 2,46; III. 1,58; IV. 1,0; R. 4,15 
Differential ratio 2,82 
Maximum speed 220 km/h 
Accelerations 6,5 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 15,5 l 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 %