Service Manual Library

Mercedes-Benz S-Class W116

1972-1980: 280S 280SE 300SD 450SE 450SEL

  • Maintenance Manual - Introductory Information
  • 1972-1974 - USA Model Year 1972-1980 Passenger Cars Volume 1
  • 1975-1976 - USA Model Year 1972-1980 Passenger Cars Volume 1
  • 1977-1979 - USA Model Year 1972-1980 Passenger Cars Volume 1
  • 1980 - USA Model Year 1972-1980 Passenger Cars Volume 1
  • Service
  • 009 - Check brake cables for ease of movement
  • 020 - Hydro-pneumatic suspension - Check rubber sleeves of ball joints on tube shocks
  • 023 - Check sealing of comfort hydraulic system for leaks and condition
  • 025 - Check play of steering as well as play and condition of steering linkage
  • 028 - Checking front axle joints for condition and leaks for rubber sleeves
  • 030 - Check joint discs on propeller shaft
  • 038 - Check cooling and heating system for leaks
  • 041 - Check sealing and condition of fuel system
  • 045 - Check clutch operating mechanism for leaks and condition
  • 085 - Check sealing and condition of level control system
  • 086 - Hydro-pneumatic suspension - Check system for leaks and condition
  • 087 - Check condition of air suspension system
  • 097 - Brake test on dynamometer/Test drive
  • 098 - Test drive
  • 099 - Functional check
  • 101 - Check and correct fluid level in oil bath air filter
  • 120 - Check and correct fluid level in automatic transmission
  • 121 - Check and correct fluid level in manual transmission
  • 130 - Check and correct fluid in rear axle
  • 134 - Check and correct fluid level of power steering
  • 135 - Check and correct fluid level in mechanical steering
  • 138 - Check and correct fluid level in level control system
  • 139 - Hydro-pneumatic suspension - Check and correct fluid level
  • 151 - Engine oil and filter change
  • 156 - Clean supplementary oil filter for hydraulic fan coupling
  • 170 - Oil change, automatic transmission
  • 171 - Oil change, manual transmission
  • 174 - Replacing filter for automatic transmission
  • 180 - Oil change, rear axle
  • 202 - Clean air filter element
  • 203 - Replace air filter element
  • 205 - Clean oil bath air filter
  • 250 - Grease front and rear axles
  • 009 - Check brake cables for ease of movement
  • 009 - Check brake cables for ease of movement
  • 009 - Check brake cables for ease of movement
  • 009 - Check brake cables for ease of movement
  • 009 - Check brake cables for ease of movement
  • 009 - Check brake cables for ease of movement
  • 350 - Lubricate door hinges
  • 375 - Lubricate outside mirror
  • 388 - Renew grease in hub-caps in front wheel bearing
  • 393 - Lubricate door locks
  • 395 - Lubricate engine hood
  • 415 - Lubricate engine control linkages and control shafts
  • 463 - Check and correct fluid level in the anti-freeze device of the air suspension system
  • 465 - Check fluid level of screen washer unit
  • 466 - Drain condensation from air reservoir of air suspension
  • 470 - Renew air filter of air suspension system
  • 484 - Check fluid of air conditioning system
  • 494 - Check fluid level of comfort hydraulic system
  • 497 - Replace perlon filter in fan wheel (front heater box)
  • 498 - Replace perlon filter in magnetic valve of heater
  • 501 - Check wear on the clutch driven plate
  • 510 - Check and correct fluid level of the clutch operation
  • 622 - Check level of vehicles with air suspension (position of wishbone arms on front axle and rear wheel camber)
  • 625 - Check toe-in of front wheels
  • 628 - Hydro-pneumatic suspension - Check pressure reservoir and central reservoir for gas filling pressure
  • 630 - Adjust wheel bearing end play on front axle
  • 631 - Renew grease charge on front wheel bearing, check tapered roller bearing
  • 650 - Adjusting of detent for rear axle carrier
  • 676 - Check air bellows of air suspension system
  • 700 - Check and correct fluid level in the brake system
  • 701 - Bleed brake system
  • 702 - Renewing brake fluid
  • 703 - 703 - 707 - 708 - 709 : For summary, refer to job number 712
  • 704 - Checking oil level in vacuum pump
  • 706 - Adjust parking brake
  • 711 - Front wheel brake - Visual checkup of brake pads
  • 712 - Check and clean disc brakes, remove brake pads for this purpose
  • 713 - Clean ventilation bores on the compressed air brake booster
  • 714 - Check brake lines for damage
  • 751 - Check compression
  • 752 - Retighten cylinder head bolts
  • 753 - Adjust valve clearance
  • 756.1 - Retension V-belts
  • 756.2 - Retension V-belts (cont'd)
  • 756.3 - Retension V-belts (cont'd)
  • 757 - Check condition and tension of V-belts
  • 758 - Check condition and retension V-belts
  • 759 - Slacken engine stop and tighten screws
  • 760 - Slacken engine stop
  • 762 - Clean flame guard filament
  • 763 - Clean exhaust gas recycling
  • 764 - Check fuel evaporation system in engine compartment
  • 765 - Check air injection
  • 766 - Clean throttle valve
  • 767 - Replace catalyst
  • 768 - Oxygen sensor replacement
  • 770 - Renew spark plugs
  • 771 - Check spark plugs, replace if necessary
  • 772 - Check and adjust ignition timing
  • 773 - Renew contact breaker points
  • 774 - Check ignition change-over
  • 776 - Check on-off ratio, adjust if necessary
  • 781 - Check dwell angle
  • 782 - Adjust dwell angle and ignition timing
  • 785 - Check and lubricate heater flaps
  • 787 - Check beginning of delivery
  • 788 - Check and fill up oil level in damper of Stromberg carburetor
  • 793 - Check idling speed stabilization
  • 796 - Check throttle valve lift / Coasting conditions
  • 797 - Check and adjust idle speed adjustment
  • 798.1 - Check and adjust idle speed
  • 798.2 - Check and adjust idle speed and idle CO
  • 799 - Check idle speed, adjust if necessary
  • 800 - Check and adjust oil level in injection pump
  • 806 - Replace filter of auxiliary air valve of the injection pump
  • 813 - Check engine control linkage
  • 821 - Check acid level of battery
  • 832 - Check condition of ignition system / Evaluate oscillograph picture
  • 840 - Replace fuel filter or filter element
  • 844 - Check fuel prefilter
  • 845 - Clean or replace fuel main filter
  • 847 - Clean / replace fuel filter
  • 849 - Replace fuel filter element
  • 851 - Clean strainer in the fuel pump
  • 852 - Renew strainer in the fuel pump
  • 871 - Check intake and exhaust manifolds and exhaust flange for tight fit
  • 876 - Retighten carburetor flange
  • 877 - Retighten nuts on exhaust gas turbocharger
  • 891 - Check fuel pipes and hoses of the electronically controlled gasoline injection unit for tight fit
  • 895 - Check attachment of alternator
  • 902 - Retighten fixing bolts of the air compressor
  • 905 - Retighten bolts and nuts on the refrigerant compressor support
  • 907 - Check hose clamps for tight fit
  • 920 - Retighten bolts and nuts for power steering pump and support
  • 922 - Retighten fastening bolts of bearing pins for lower control arm of front axle
  • 924 - Retighten steering fastening bolts
  • 951 - Retighten exhaust system slip joints
  • 982 - Check tires, if required interchange wheels
  • 983 - Removing and fitting wheels, checking rims
  • 987 - Correct tire pressure
  • 988 - Retighten spherical collar bolts on wheels
  • 990 - Check and correct coolant level
  • 991 - Renew coolant together with antifreeze
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