Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals

Mercedes M100 Petrol Engine Manuals

Mercedes Benz M100 EngineThe Mercedes-Benz M100 V8 Petrol motor was produced between 1963 and 1981. It was first used in the Mercedes W100 Series, Type 600 Pullman beginning in 1963, and from 1968 onward it became a power-plant in the Mercedes-Benz W109 300SEL 6.3. In 1975 the bore was increased changing it from a 6.3 L to 6.9 L for implanting into Mercedes W116 450SEL 6.9 models through 1980.

MB M100 Engine Variant Applications

  • M100.980 W100 Pullman 6.3 Liter 1963-1981
  • M100.981 W109 300SEL 6.3 Liter 1967-1972
  • M100.985 W116 450SEL 6.9 Liter 1975-1980

view all petrol gasoline & diesel engine manuals


Download: Mercedes Benz M100.981 Engine Service Manual

Mercedes  M100 Engine Service Repair ManualDownload: 81.7mb, 422 pages, .pdf
Applications: M100 M130

  • W109 M100.981 300 SEL/8 6.3
  • W108 M130.920/921 280 S/8
  • W108 M130.980/984 280 SE/8, 280 SEL/8
  • W111 M130.980/984 280 SE/8 Coupe/Convertible
  • W113 M130.983 280 SL/8 Roadster

$19.95

Download Link Sent to your PayPal email address


Download: MB M100.981 Engine Technical Data and Adjustments

Mercedes  M110 M130 Engine Technical ManualDownload: 4.21mb, 44 pages, .pdf
Applications: M100 M130

  • W109 M100.981 300 SEL/8 6.3
  • W108 M130.920/921 280 S/8
  • W108 M130.980/984 280 SE/8, 280 SEL/8
  • W111 M130.980/984 280 SE/8 Coupe/Convertible
  • W113 M130.983 280 SL/8 Roadster

USD $14.95

Download Link Sent to your PayPal email address


Download: MB W100 M100.980 M100.981 Service Manuals

Mercedes  M100 M130 Engine Service ManualMercedes M100.980 Engine Tune-Up ManualSeries W100 M100.980 Engine Service Manuals
Download: (2 Manual Set) 90.1mb, 461 pages, .pdf
Both manuals required for full coverage

1) Applications: M100.980 Manual

  • W100 600 - 100.012
  • W100 600 long 4-door 100.014
  • W100 600 long Landaulet 100.015
  • W100 600 long 6-door 100.016

2) Applications: M100 M130 Manual

  • W109 M100.981 300 SEL/8 6.3
  • W108 M130.920/921 280 S/8
  • W108 M130.980/984 280 SE/8, 280 SEL/8
  • W111 M130.980/984 280 SE/8 Coupe/Convertible
  • W113 M130.983 280 SL/8 Roadster

USD $24.95

Download Link Sent to your PayPal email address


Download: Mercedes Benz M100 Engine Parts Catalog

Mercedes M100 Engine Parts Picture CatalogMercedes M100 Engine Parts Picture Catalog
Download: 3.39mb, 17 pages, .pdf
Applications: W100 W109, W116
Contents: M100 Exploded Parts Diagrams

USD $9.95

Download Link Sent to your PayPal email address


Mercedes-Benz M100 Engine Variant Specifications

Variants: M100.980, M100.981, M100.985

6.3 Liter M100 Variants: M100.980 and M100.981

The 6.3 L power plant was conservatively rated at 250 PS (246.5 HP), with 503 Nm (371 lb-ft) of torque helping compensate for the high-speed cruising 2.65 to 1 final drive ratio.

  • Production: 1963-1975
  • Displacement: 386.4 cu in (6,332 cc)
  • Cylinder Bore: 103 mm (4.06 in)
  • Piston Stroke: 95 mm (3.74 in)
  • Compression Ratio: 9.0:1
  • Power Output: 250 PS (180 kW; 250 hp) @ 4000 rpm
  • Torque Output: 503 Nm (371 ft-lb) @ 2800 rpm
  • Fuel Management: Daimler-Benz designed (1963-1972 M100.980)
    • Bosch K-Jetronic (1973-1981 M100.981)

6.9 Liter M100 Variant: M100.985

The 6.9 L European engine produced 286 PS (282 HP) with 550 Nm (406 lb-ft) of torque. The North American version introduced in 1977, was less powerful at 250 PS (184 kW) and 488 Nm (360 lbft) of torque due to stringent emissions control requirements.

  • Application: 1975-1980 W116 450 SEL 6.9
  • Displacement: 417.0 cu in (6,834 cc)
  • Cylinder Bore: 107 mm (4.21 in)
  • Piston Stroke: 95 mm (3.74 in)
  • Compression Ratio: 8.8:1
  • Power Output: 286 PS (210 kW; 282 hp) @ 4250 rpm
  • Torque Output: 550 Nm (410 ft-lb) @ 3000 rpm
  • Fuel Management: Bosch K-Jetronic (1973-1981)

Common Characteristics

  • Block Material Cast Iron
  • Head Material Aluminum
  • Valve train SOHC Single Overhead Cam
  • Fuel type Gasoline
  • Oil system Dry sump
  • Cooling system Water-cooled
  • Fuel system Mechanical fuel injection

M100 Engine Service Repair Manual Directory

Mercedes Benz M100 Engine