Coup?s and Convertibles of the series 111 and 112
Mercedes-Benz type 300 SE Coup?
Type 300 SE Coup? 
Name 300 SE Coup? 
Name Mercedes-Benz type 300 SE Coup? 
Short name 300 SE Coup? 
Model W 112/3 
Production 02.62 - 12.67 
Number produced 2.419 
Comments concerning the production period  
Prices 04.62: 32.750,00 DM (with automatic transmission) and 31.350,00 DM (with manual gearbox, since 07.63) 08.66: 33.350,00 DM (with automatic transmission) and 31.950,00 DM (with manual gearbox) 
Wheelbase 2750 mm 
Track rear/front 1482/1490 mm 
Length 4880 mm 
Width 1845 mm 
Height 1395 mm 
Smallest turning circle 11,7 m 
Chassis weight
Max. total weight 2060 kg; since 08.65: 2120 kg 
Max. front axle weight 985 kg; since 08.65: 1010 kg 
Max. rear axle weight 1075 kg; since 08.65: 1110 kg 
Max. load 470 kg 
Max. trailer weight braked 1200 kg 
Max. trailer weight unbraked 750 kg 
Weight empty 1590 kg; since 08.65: 1650 kg 
According to guideline DIN 70020 (with fuel, spare wheel and tool equipment) 
Operating method four-stroke Otto (with intermitting manifold-injection) 
Configuration front, parallel; upright 
Type M 189 IV/ 189.985; since 01.64: M 189 VI / 189.987 
No. of cylinder/configuration 6 / in line; light-alloy block 
Bore x stroke 85 x 88 mm 
Total displacement 2996 ccm (tax classification: 2975 ccm) 
Compression ratio 8,7; since 01.64: 8,8 
Crankshaft bearing
Output 160 hp at 5000 /min; since 01.64: 170 hp at 5400 /min 
Maximum torque 25,6 mkg at 3800 /min; since 01.64: 25,4 mkg at 4000 /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 2-plunger-type injection pump, since 01.64: Bosch 6-plunger-type injection pump 
Cooling water cooling / pump; 16,8 l water 
Lubrication pressure circulation lubrication / 6 l oil 
Electric system 12 V 
Battery 66 Ah / in the engine compartment 
Dynamo 300 W 
Starter motor electrical / 1,3 PS 
Ignition battery ignition 
Fuel tank in the rear / 65 l; since 01.63: 82 l 
Fuel supply electric supply pump at the tank 
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, torsion bar stabilizer 
Suspension rear air-chamber bellows, torsion bar stabilizer 
Damper hydraulic telescopic damper 
Steering rec.-ball steering 
Steering transm ratio 17,2:1 / 3,2 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: 253 / 255 mm 
Wheels sheet steel-disc wheels 
Wheels rims drop centre rim 5 1/2 JK x 13 B; since 08.65: 6 J x 14 HB 
Tyres 7,50 H 13; since 08.65: 7,35 H 14 or 185 H 14 

Skrzynie biegów tego modelu (gearbox and performance):

Coup?s and Convertibles of the series 111 and 112
Mercedes-Benz type 300 SE Coup?
Gearbox 4-speed autom. gear shift 
Availability Series 
Shifting Switch lever at steering wheel 
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 4,10; 4,08; 3,92; from 01.64: 3,75; from 08.65: 3,69; by request 3,92 
Maximum speed 175 km/h (HA 4,10/4,08) resp. 180 km/h (HA 3,92);~from 01.64: 195 km/h (HA 3,75/3,69) resp. 185 km/h (HA 3,92) 
Accelerations 11,5 s; from 01.64: 11,4 s (HA 3,75/3,69) resp. 11,1 s (HA 3,92) 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 13 l; from 01.64: 13 l (HA 3,75/3,69) resp. 13,7 l (HA 3,92) 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 % 
Coup?s and Convertibles of the series 111 and 112
Mercedes-Benz type 300 SE Coup?
Gearbox 4-speed gear shift 
Availability by request 
Shifting Feed control 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears I - IV 
Gear transmission I. 4,05; II. 2,28; III. 1,53; IV. 1,0; R. 3,92 
Differential ratio 3,92; later 3,75; from 08.65: 3,69; by request 3,92 
Maximum speed 185 km/h, from 01.64: 200 km/h (HA 3,75/3,69) resp.~190 km/h (HA 3,92) 
Accelerations from 01.64: 12,2 s (HA 3,75/3,69) resp. 12,0 s (HA 3,92) 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption 13 l; from 01.64: 11,8 l (HA 3,75/3,69) resp. 12,5 l (HA 3,92) 
acc. to guideline DIN 70030, ascertained at 3/4 of max. speed, maximal 110 km/h, unter Zuschlag von 10 % 
Coup?s and Convertibles of the series 111 and 112
Mercedes-Benz type 300 SE Coup?
Gearbox 5-speed gear shift ZF S 5-20 
Availability by request 
Shifting Feed control 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears I - V 
Gear transmission I. 3,92; II. 2,22; III. 1,42; IV. 1,0; V. 0,85; R. 3,49 
Differential ratio 4,08 
Maximum speed 200 km/h 
Accelerations 10,9 s 
Comments Acceleration with shifting through from 0 - 100 km/h; loaded with 2 persons 
Fuel consumption  
acc. to guideline