Limousines of the series 123
Mercedes-Benz type 280 E long
Type 280 E chassis with elongated wheelbase 
Name 280 E long 
Name Mercedes-Benz type 280 E long 
Short name 280 E long 
Model VF 123 E 28 
Production 10.77 - 12.85 
Number produced 371 chassis 
Comments concerning the production period  
Prices not available in Germany 
Wheelbase 3425 mm 
Track rear/front 1477/1430 mm 
Length 5355 mm 
Width 1786 mm 
Height  
Smallest turning circle 13,35 m 
Chassis weight
Max. total weight 2355 kg 
Max. front axle weight 1090 kg 
Max. rear axle weight 1265 kg 
Max. load  
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty  
According to guideline  
Operating method four-stroke Otto (with manifold-injection) 
Configuration front, parallel; upright 
Type M 110 E 28 / 110.984, since 1982: 110.988 
No. of cylinder/configuration 6 / in line 
Bore x stroke 86,0 x 78,8 mm 
Total displacement 2746 ccm (tax classification: 2717 ccm) 
Compression ratio 8,0 
Crankshaft bearing
Output 156 hp / 115 kW at 5750 /min;~since 1982: 160 hp / 118 kW at 5500 /min 
Maximum torque 210 Nm at 4600 /min; since 1982: 223 Nm at 4500 /min 
No. of valves/configuration 1 intake, 1 exhaust / V-shaped overhead 
Valve operation 2 top camshafts 
Camshaft drive duplex roller-type chain 
Mixture formation manifold-injection, mechanically controlled (Bosch K-Jetronic) 
Cooling water cooling / pump; 10 l water 
Lubrication pressure circulation lubrication / 6 l oil 
Electric system 12 V 
Battery 55 Ah / in the engine compartment 
Dynamo three-phase AC / 770 W 
Starter motor electrical / 1,5 kW 
Ignition transistor ignition 
Fuel tank under rear floor / 70 l 
Fuel supply electric supply pump 
Driven whells rear wheels 
Power transmission divided cardan shaft 
Frame desing self-supporting all-steel body 
Wheel suspension front double wishbone-front axle with torsion bar type stabilizer 
Wheel suspension rear diagonal-swing axle with hydropneumatic level control 
Suspension front coil springs, suppl. rubber suspension, torsion bar stabilizer 
Suspension rear coil springs, hydropneumatic spring struts, torsion bar stabilizer 
Damper hydraulic telescopic damper / hydropneumatic spring struts 
Steering ball-and-nut power steering 
Steering transm ratio 16,55:1 / 3,2 steering wheel turns 
Breaking system braking system 
Breaking system hydraulic dual-circuit braking system with vacuum-operated brake ~servo unit, since 08.80 on demand with antilock device; disc brakes front and rear 
Parking breake parking brake 
Parking breake mechanical (foot-operated), effective on rear wheels 
Diamatre brake discs front / rear: 278 / 279 mm 
Wheels sheet steel-disc wheels 
Wheels rims 5 1/2 J x 15 H 2 
Tyres 185 HR 15 93 H 

Skrzynie biegów tego modelu (gearbox and performance):

Limousines of the series 123
Mercedes-Benz type 280 E long
Gearbox 4-speed autom. gear shift 
Availability Series (until 09.81) 
Shifting Switch lever at steering wheel or in car center 
Clutch hydr. torque converter in autom. gear 
Type of gearbox Planet gear 
Synchromesh gears  
Gear transmission I. 3,98; II. 2,39; III. 1,46; IV. 1,0; R. 5,47 
Differential ratio 3,69 
Maximum speed  
Accelerations  
Comments  
Fuel consumption  
acc. to guideline  
Limousines of the series 123
Mercedes-Benz type 280 E long
Gearbox 4-speed autom. gear shift 
Availability Series (from 10.81) 
Shifting Switch lever at steering wheel or in car center 
Clutch hydr. torque converter in autom. gear 
Type of gearbox Planet gear 
Synchromesh gears  
Gear transmission I. 3,68; II. 2,41; III. 1,44; IV. 1,0; R. 5,14 
Differential ratio 3,69 
Maximum speed  
Accelerations  
Comments  
Fuel consumption  
acc. to guideline