1979 450 SL – Model: 107.044

Engine: 117.985 (4.5 litre)

• Engine Manual
  • 00 General, technical data
    • 005 Instructions for use of service manual
    • 010 Engine and vehicle identification
    • 015 Vehicle identification number locations
    • 020 Technical data
  • 01 Engine removal and installation, cylinder crankcase, cylinder head, engine breathing
    • 010 Checking compression pressure
    • 015 Checking cylinders for leaks
    • 020 Evaluating cylinders bores
    • 025 Measuring oil consumption
    • 030 Removal and installation of engine (oil capacity)
    • 040 Engine breather - Functional description
    • 110 Measuring, boring and honing cylinder bores
    • 120 Facing cylinder crankcase parting surface
    • 210 Removal and installation of timing housing cover
    • 220 Installation and centering of intermediate flange
    • 222 Removal and installation of end cover
    • 310 Complete removal and installation of oil pan
    • 415 Removal and installation of cylinder head
    • 418 Facing cylinder head parting surface
    • 420 Pressure testing cylinder head
  • 03 Crankshaft Assembly
    • 310 Checking, renewing and tightening connecting rod bolts
    • 313 Reconditioningand squaring connecting rod
    • 316 Removal and installation of pistons
    • 318 Checking and reconditioning of crankshaft
    • 320 Mounting of crankshaft
    • 324 Renewing front crankshft radial sealing ring
    • 327 Renewing rear crankshaft radial sealing ring
    • 330 Removal and installationof radial ball bearing and closing ring in crankshaft
    • 342 Removal and installation of hub, vibration damper and pulley
    • 345 Checking and correcting adjustment of TDC transmitter
    • 350 Removal and installation of crankshaft sprocket
    • 410 Removal and installation of flywheel and driven plate
    • 420 Refinishing flywheel
    • 430 Renewing ring gear
  • 05 Engine timing, valves
    • 210 Inspection and adjustment of valve clearance
    • 211 Checking and renewal of hydraulic valve clearance compensating elements
    • 212 Renewing threaded bushing with valve adjusting screw
    • 213 Checking and correcting basic position of hydraulic valve clearance compensating elements
    • 215 Checking and adjustment of camshaft timing
    • 220 Remvoal and installation of camshaft
    • 225 Grinding of camshaft bearing journals
    • 230 Removal and installation of rocker arms
    • 250 Removal and installation of valve springs
    • 260 Checking of valve springs
    • 270 Replacement of valve stem seals
    • 280 Checking and machining valves
    • 285 Checking and renewing valve guides
    • 290 Renewing valve seat rings
    • 291 Machining valve seat
    • 310 Removal and installation, inspection of chain tensioner
    • 320 Renewing timing chain
    • 330 Removal and installation of tensioning rail
    • 340 Removal and installation of slide rails
    • 434 Removal and installation of intermediate sprocket ignition distributor drive
    • 440 Removal and installation of guide sprocket
  • 07.3 Mechanically controlled gasoline injection system (CIS)
    • 100 Adjustment of idle speed
    • 105 Checking and adjusting on-off ratio
    • 110 Checking and regulating engine
    • 120 Checking fuel pressures and for internal leaks
    • 125 Checking choke system
    • 130 Checking delivery capacity of fuel pump
    • 135 Checking injection valves
    • 146 Checking idle speed stabilization at idle, engine 116.98 (3.5)
    • 151 Converting leak line for pressure damper
    • 152 Adjusting throttle valve switch (USA) 180
    • 160 Checking constant delivery for fuel distributor
    • 165 Checking fuel pump relay
    • 199 Survey mixture preparation
    • 200 Removal and installation of mixture controller
    • 205 Renewing fuel distributor
    • 210 Reconditioning of system pressure regulator and pressure compensating valve
    • 215 Removal and installation of injection valves
    • 220 Replacement of air flow sensor
    • 225 Removal and installation of mixture controller with air guide housing
    • 230 Removal and installation of throttle valve housing
    • 240 Replacement of warm-up compensator
    • 242 Subsequent installation of safety switch on air flow sensor
    • 245 Replacing, centering of air flow sensor plate, checking and adjusting of zero position of air flow sensor plate
    • 270 Removal and installation of fuel reservoir
    • 275 Removal and installation of fuel filter
    • 280 Removal and installation of fuel pump
    • 281 Replacement of holder for fuel pump, fuel filter and fuel reservoir
    • 282 Conversion of fuel pump assembly
    • 283 Subsequent installation of separate check valve on fuel pump
    • 285 Survey fuel pump
    • 500 Function description CIS A model year 1980 (engine 117)
  • 07.4 Electronically controlled gasoline injection system with regulation
    • 035 Initial jobs for testing electronically controlled gasoline injection system
    • 040 Testing electronically controlled gasoline injection
    • 100 Adjustment of idle speed
    • 110 Regulating engine
    • 120 Checking fuel pressure and for leaks in ring line
    • 125 Checking starting device
    • 130 Checking delivery pressure and delivery capacity of fuel pump
    • 135 Checking injection valves
    • 140 Adjustment of throttle valve switch
    • 215 Removal and installation of injection valves
    • 220 Renewing fuel hoses on injection valves
    • 221 Replacing fuel hoses on ring line
    • 223 Renewing protective sleeves on injection valves
    • 225 Injection valves with double sealing edge connection
    • 230 Removal and installation of throttle valve housing
    • 235 Illustrated table mixture preparation
    • 270 Removal and installation of fuel filter and fuel pump
    • 275 Subsequent installation of modified fuel hose to prevent compressional vibrations at fuel pump (model 107.023/043)
    • 300 Adjusting regulating linkage
    • 310 Removal and installation of engine longitudinal regulating shaft
    • 320 Removal, installation and adjustment of front wall regulating shaft
    • 330 Removal and installation of accelerator pedal
  • 07.5 Ignition system
    • 500 Checking and adjusting closing angle (dwell angle)and firing points
    • 503 Removing and preventing coating on breaker points
    • 505 Renewing breaker points
    • 510 Removal and installation of ignition distributor
    • 519 General description of breaker-controlled transistorized ignition
    • 520 Testing contact (breaker) controlled transistorized ignition
  • 09 Intake system/Air cleaner
    • 400 Removal and installation of intake pipe, renewing gasket
    • 410 Renewing intake pipe (intake pipe removed)
    • 420 Removal and installation of air filter
    • 400 Removal and installation of air cleaner
  • 13 Belt drives
    • 335 Notes concerning renewing and tensioning of V-belts
    • 340 Renewing and tensioniing of V-belts
  • 14 Intake manifold, exhaust manifold/Emission control system
    • 001 Functional characteristics
    • 050 Operation
    • 100 Test program
    • 150 Wiring diagrams
    • 450 Removal and installation of intake manifold upper and lower half, renewing gasket
    • 455 Renewing intake manifold (intake manifold removed)
    • 470 Removal and installation of exhaust manifold
    • 472 Survey exhaust manifold
  • 15 Electrical system - engine (ignition system)
    • 501 Checking and adjusting ignition timing (breakerless transistorized ignition system)
    • 510 Removal and installation of ignition distributor
    • 525 Removal and installation of vacuum control unit on ignition distributor
    • 528 Notes concerning jobs on breakerless transistorized ignition system
    • 530 General description of breakerless transistorized ignition system TSZ 4
    • 562 Checking breakerless transistorized ignition system TSZ 4
    • 571 Operation of vacuum retard adjustment
  • 18 Engine lubrication, engine oil cooling
    • 005 Oil circuit, oil pressure, pressure relief and bypass valve, oil filter
    • 210 Removal and installation of oil pump
  • 20 Engine cooling, coolant hoses, radiator
    • 005 Coolant circuit and engine cooling
    • 010 Draining and filling-in coolant-anti-freeze table
    • 015 Cleaning the cooling system
    • 110 Removal and installation of coolant thermostat
    • 210 Removal and installation of coolant pump
    • 225 Sealing of coolant pump
    • 310 Viscofan clutch, temperature controlled
    • 320 Viscofan clutch, rpm controlled
    • 420 Removal and installation of radiator
    • 430 Checking of radiator or expansion tank cap
  • 22 Engine mounts
    • 210 Removal and installation of engine mounts
    • 240 Removal and installation of engine shock absorber
  • 30 Accelerator control (regulation)
    • 300 Adjusting regulating linkage
    • 320 Removal, installation and adjustment of front wall regulating shaft
    • 330 Removal and installation of accelerator pedal
    • 335 Lubricating regulating linkage and regulating shafts
  • 47 Fuel system
    • 700 Removal and installation of fuel tank, with electronic fuel injection
    • 700 Removal and installation of fuel tank, with continuous fuel injection (CIS-A)
    • 705 Removal and installation of fuel expansion tank (model 107.04) with electronic fuel injection
    • 705 Removal and installation of fuel expansion tank with continuous fuel injection (CIS-A)
    • 706 Installation of modified fuel tank and fuel expansion tank (model 107.043) with electronic fuel injection
    • 710 Removal and installation of immersion tube transmitter with electronic fuel injection
    • 710 Removal and installation of immersion tube transmitter with continuous fuel injection (CIS-A)
    • 715 Functional description of immersion tube transmitter for fuel gauge with electronic fuel injection
    • 715 Operation of immersioni tube transmitter for fuel gauge with continuous fuel injection (CIS-A)
    • 720 Functional description of fuel tank breathing system (positive and negative venting) with electronic fuel injection
    • 720 Operation of fuel tank positive and negative venting system with continuous fuel injection (CIS-A)
    • 800 Fuel evaporation control systemn with electronic fuel injection
    • 800 Operation of fuel tank positive and negative venting system with continuous fuel injection (CIS-A)
    • 850 Fuel cooler
  • 49 Exhaust system
    • 100 Removal and installation of exhaust system with electronic fuel injection
    • 100 Removal and installation of exhaust system with continuous fuel injection
    • 101 Exhaust system - technical modification with electronic fuel injection
    • 450 Removal and installation of exhaust manifold with electronic fuel injection
• Electrical Troubleshooting Manual
  • How to Use the Electrical Troubleshooting Manual
  • Wiring Diagram
• Maintenance Manual
  • Maintenance System Sheet
  • Maintenance Manual Index
    • 009 Check brake cables for eas of movement
    • 020 Hydro-pneumatic suspension - Check rubber sleeves of ball joints on tube sock
    • 023 Check sealing of comfort hydraulic system for leaks and condition
    • 025 Check play of steering linkage
    • 028 Checking front axle - Joints for condition and leaks of 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 level in rear axle
    • 134 Check and correct fluid level of power steering
    • 135 Check and correct fluid level of mechanical steering
• Owner's Manual
  • Introduction
    • Introduction
    • What You Should Know at the Gas Station
    • Check Regularly and Before a Long Trip
  • Instruments and Controls, Starting the Engine, Driving Instructions, Service and Maintenance
    • Instruments and Control
    • Instrument Cluster
    • Indicator Lamp Symbols
    • Catalytic Converter
    • Starting and Turning Off the Engine
    • Driving Instructions
    • Mercedes-Benz Maintenance System
  • Operation
    • Automatic Climate Control
    • Car Keys
    • Opening the Doors
    • Locking and Unlocking of Doors
    • Central Locking Systems
    • Anti-Theft Alarm Systems
    • Seat Adjustment
    • Heated Seats
    • Seat Belts and Supplemental Restraint System (SRS)
    • Steering Lock
    • Exterior Lamp Switch
    • Combination Switch
    • Exterior Rear View Mirrors
    • Inside Rear View Mirror
    • Lighter
    • Sun Visors
    • Rear Window Defroster
    • Interior Lamps
    • Power Windows
    • Soft Top
    • Electronic Radio
  • Driving
    • Parking Brake
    • Automatic Transmission
    • Cruise Control
    • ABS (Antilock Brake System)
    • Brake Pad Wear Indicator Lamp
    • Brake Warning Lamp
    • Charge Indicator Lamp
    • Oil Pressure Gauge
    • Low Engine Oil Level Indicator Lamp
    • Exterior Light Failure Indicator Lamp
    • Fuel Reserve Warning Lamp
    • Coolant Temperature Gauge
    • Low Engine Coolant Level Indicator Lamp
    • Low Windshield Washer Fluid Level Indicator Lamp
    • Outside Temperature Indicator
    • Emission Control
    • On-Board Diagnostic System (California models only)
    • Economical Driving Indicator (ECONOMY)
    • Engine Oil Consumption
    • Traveling Abroad
    • Winter Driving
    • Tire Chains
  • Practical Hints
    • Hood
    • Checking Coolant Level
    • Adding Coolant
    • Engine Oil Level Check
    • Fluid Level – Automatic Transmission
    • Spare Wheel, Vehicle Tool Kit, Jack and Battery
    • Wheels, Tires
    • Changing Wheels
    • Tire Inflation Pressure
    • Headlamp Adjustment
    • Replacing Bulbs
    • Front Lamps
    • Spark Plugs
    • Manual Release of Fuel Filler Flap
    • Fuses
    • Battery
    • Towing the Vehicle
    • Jump Starting
    • Cleaning and Care of the Vehicle
    • Ashtray
    • Head Restraints
    • Replacing Windshield Wiper Blades
    • Luggage or Ski Racks
    • Spare Parts Service
  • Technical Data, Fuels, Coolants, Lubricants, etc. and Consumer Data
    • Identification Plates
    • Theft Prevention
    • Vehicle Data Cards
    • Warranty Coverage
    • Technical Data
    • Fuels, Coolants, Lubricants, etc.
    • Capacities
    • Engine Oils
    • Brake Fluid
    • Premium Unleaded Gasoline
    • Fuel Requirements
    • Coolants
    • Consumer Information
    • Service Literature
• Climate Control Manual
  • General, Technical Data
    • 00-005 Instructions for use of service manual
    • 00-010 Model and system identification
    • 00-015 Vehicle identification number locations
  • Section 1: Heating/Ventilation and Air Conditioning I
    • 83.1-020 Control of heating system
    • 83.1-100 Removal and installation of heater box
    • 83.1-110 Removal and installation of heat exchanger
    • 83.1-114 Checking vacuum element on heater tap and vacuum switches on control unit for leaks
    • 83.1-120 Removal and installation of heater blower
    • 83.1-140 Removal and installation of ornamental grille at air inlet
    • 83.1-500 General description and operation of air conditioning system
    • 83.1-502 Refrigerant circuit
    • 83.1-504 Safety measures
    • 83.1-506 Repair instructions for air conditioning system
    • 83.1-508 Control of air conditioning system
    • 83.1-510 Function test of air conditioning system
    • 83.1/83.3-512 Leak test evacuation
    • 83.1/83.3-514 Refilling or replenishing air conditioning system
    • 83.1-516 Draining of air conditioning system
    • 83.1-518 Cleaning of air conditioning system
    • 83.1-520 Checking oil level in refrigerant compressor
    • 83.1-522 Removal and installation of refrigerant compressor
    • 83.1/83.3-524 Reconditioning of refrigerant compressor
    • 83.1-525 Checking Delco refrigerant compressor for outside leaks
    • 83.1-526 Removal and installation of electromagnetic clutch
    • 83.1-528 Removal and installation of condenser
    • 83.1-530 Removal and installation of receiver dehydrator
    • 83.1-531 Checking, removing and installing pressure switch in receiver dehydrator
    • 83.1-532 Checking, removing and installing temperature switch in receiver dehydrator
    • 83.1-534 Removal and installation of expansion valve
    • 83.1-538 Removal and installation of evaporator
    • 83.1-542 Removal, installation and checking of temperature vacuum switch or switch for air conditioning system as well as ETR switch
    • 83.1-544 Removal and installation of vacuum element or recirculating air flap, lefthand steering up to 08/81 and righthand steering
    • 83.1-545 Checking vacuum element and temperature vacuum switch for leaks, lefthand steering up to 08/81 and righthand steering
    • 83.1-546 Removal and installation of auxiliary fan
  • Section 2: Automatic Climate Control II
    • 83.1-600 Operation of automatic climate control system and tester
    • 83.1-601 Quick test without tester, remedies
    • 83.1-602 Preparation for test, connection of tester
    • 83.1-603 Function test of total system and remedies (with tester)
    • 83.1-604 Vacuum function diagrams
    • 83.1-605 Electric wiring diagrams (standard)
    • 83.1-606 Amplifier and park test
    • 83.1-607 Output test
    • 83.1-608 Testing quality of control
    • 83.1-609 Testing ambient, in-car temperature sensor and potentiometer (temperature dial) without tester
    • 83.1-610 Testing feedback potentiometer in regulating valve
    • 83.1-611 Balancing of sensor chain
    • 83.1-612 Testing temperature switch in regulating valve
    • 83.1-613 Testing vacuum lines for leaks
    • 83.1-614 Preparation for vacuum test
    • 83.1-615 Testing check valve, vacuum reservoir, temperature switch and vent lines of regulating valve
    • 83.1-620 Testing vacuum circuit I and II
    • 83.1-621 Testing pushbutton switch
    • 83.1-622 Testing vacuum circuit III and IV
    • 83.1-624 Testing vacuum circuit V and VI
    • 83.1-626 Testing vacuum circuit VII and VIII with vacuum element (43 and 44)
    • 83.1-628 Testing vacuum switch for refrigerant compressor or vacuum switch (main switch) and switchover valves
    • 83.1-630 Removal and installation of heating water pump
    • 83.1-631 Reconditioning of heating water pump
    • 83.1-632 Removal and installation of regulating valve and temperature switch
    • 83.1-635 Removal, installation and disassembly of control unit
    • 83.1-640 Removal and installation of in-car temperature sensor
    • 83.1-645 Removal and installation of ambient temperature sensor
    • 83.1-650 Removal and installation of ETR-switch
    • 83.1-655 Removal and installation of vacuum switch for refrigerant compressor (at "BI-LEVEL" Only)
    • 83.1-660 Removal and installation of switchover valves
    • 83.1-665 Removal and installation of vacuum elements
    • 83.1-670 Removal and installation of vacuum switch for refrigerant compressor or vacuum switch (main switch)
    • 83.1-675 Removal and installation of amplifier
    • 83.1-680 Removal and installation of double contact relay
    • 83.1-690 Removal and installation of temperature switch for heating water pump
    • 83.1-700 Removal and installation of blower pre-resistors
    • 83.1-710 Removal and installation of vacuum lines
  • Section 3: Automatic Climate Conrol III Starting MY1982 up to M1986
    • 83.9-600 Operation of automatic climate control
    • 83.9-601 Manual and optical function test of automatic climate control
    • 83.9-602 Preparation for testing, connecting adapter to volt/ohm measuring instrument
    • 83.9-603 Function test of total system and remedies (with adapter)
    • 83.9-604 Vacuum function diagrams
    • 83.9-607 Output test
    • 83.9-614 Preparations for vacuum test
    • 83.9-615 Testing check valve and vacuum reservoir
    • 83.9-620 Testing vacuum circuits I to IV
    • 83.9-625 Removal and installation of monovalve
    • 83.9-635 Removal, installation and disassembly of control unit
    • 83.9-645 Removal and installation of temperature sensor for heat exchanger
    • 83.9-660 Removal, installation and testing of switchover valves
    • 83.9-665 Removal and installation of vacuum elements
    • 83.9-675 Removal and installation of electronic switching unit for temperature control
    • 83.9-676 Removal and installation of electronic switching unit for blower control
    • 83.9-678 Removal, installation and checking of temperature switch for cold engine lock
    • 83.9-625 Removal and installation of monovalve
  • Supplements
    • A Supplement as of MY1984
    • B Supplement as of MY1986
    • C Supplement as of MY1987
• Chassis and Body Manual
  • Instructions for Use of Service Manual
  • 00 General, technical data
    • 005 Model and Unit Survey
    • 005 Identification of Vehicle
    • 010 Technical Data
  • 32 Steel suspension
    • 010 Permissible combination springs - shock absorbers, Standard version
  • 33 Front axle
    • 100 Removal and installation of front axle
    • 110 Removal, installation and inspection of rubber mounts for front axle suspension (front axle installed)
  • 35 Rear axle
    • 010 Removal and installation of complete rear axle
    • 040 Removal and installation of front rubbger bearing of rear axle suspension
    • 050 Removal and installation of rear rubber bearing of rear axle suspension
  • 40 Wheels
    • 010 Lifting vehicle with vehicle jack
    • 013 Positioning of jacking-up shoes and jacks
    • 100 Survey rims and tires
    • 102 Rims
    • 104 Tires
    • 106 Tire inflation pressure
    • 108 Snow chains
    • 110 Removing and mounting of wheels
    • 112 Removal and installationo of holding spring or annular spring for wheel cover
    • 113 Remvoing and mounting hub cap for forged light alloy rims
  • 41 Propeller shaft
    • 050 Removal and installation of propeller shaft
    • 100 Removal and installation of propeller shaft intermediate bearing, replacement of radial ball bearing
    • 200 Replacement of centering sleeve
  • 42 Brakes, hydraulic and mechanical
    • 005 General information
    • 010 Bleeding the brake system or renewing the brake fluid
    • 015 Checking the braking system for leaks
    • 035 Checking warning device in expansion tank
    • 040 Inspection or adjustment of mechanical stop lamp switch
    • 100 Removal and installation of fixed caliper on front axle
    • 120 Removal and installation of fixed caliper on rear axle
    • 150 Replacement of piston seal on front axle fixed caliper
    • 155 Replacement of piston seal on rear axle fixed caliper
    • 160 Replacement of brake pads
    • 220 Removal and installation of brake disc on front axle
    • 228 Removal and installation of brake disc on rear axle
    • 260 Cleaning the brake disks
    • 310 Removal and installation of tandem main cylinder
    • 315 Disassembly, inspection and assembly of tandem main cylinder
    • 510 Removal and installation of parking brake pedal system
    • 515 Replacement of rubber stop in pedal system of parking brake
    • 520 Removal and installation of front brake cable control
    • 525 Removal and installation of rear brak cable control
    • 530 100 Removal and installation of brake shoes of parking brake
    • 540 Readjustment or adjustment of brake shoes of parking brake
    • 700 Layout and operation of anti- locking brake system (ABS)
    • 702 Important information during repair jobs
    • 705 Removal and installation of hydraulic unit
    • 708 Removal and installation of electronic control unit
    • 710 Removal and installation of relay and overvoltage protection
    • 712 Removal and installation of rpm sensor on front axle
    • 714 Removal and installation of rpm sensor on rear axle
    • 720 Test program
  • 43 Brakes, pneumatic system
    • 023 Inspection of check valve
    • 325 Checking the brake unit
    • 350 Removal and installation of brake unit
  • 46 Steering
    • 110 Checking play of steering components
    • 120 Checking start of manual restriction
    • 130 Inspection of oil pressure of power steering pump
    • 150 Reconditioning of steering coupling
    • 220 Reconditioning of steergin gear
    • 412 Removal and installation of power steering
    • 480 Adjusting power steering in vehicle
    • 510 Removal and installation of pitman arm
    • 520 Removal and installation of intermediate steering arm, checking and reconditioning of intermediate steering arm bearing
    • 540 Removal and installation of track rod
    • 550 Removal and installation of drag link
    • 610 Removal and installation of steering wheel
    • 620 Removal and installation of jacket tube
    • 630 Removal and installation of steering shaft
    • 640 Removal and installation steering lock
    • 700 Differentiating characteristics of power steering pump
    • 705 Renewing radial sealing ring of power steering pump
    • 710 Removal and installation of power steering pump
    • 720 Disassembly, checkup and reconditioning of power steering pump
    • 720 Assembly of power steering pump
    • 010 Steering gear 765 - Differentiating characteristics of power steering gears
    • 220 Steering gear 765 - Reconditioning of steering gear
  • 54 Electrical equipment and instruments
    • 005 Battery test, service and maintenance
    • 100 Designation and layout of ground connecting points
    • 250 Removal and installation of instrument cluster
    • 251 Removal and installation of indicating instruments
    • 252 Testing electronic tachometer
    • 253 Removal and installation of tachometer
    • 254 Testing electric oil pressure gauge
    • 255 Testing readout for economic driving (ECONOMY)
    • 256 Function of immersion tube transmitter for fuel gauge
    • 257 Testing fuel gauge
    • 258 Removal and installation of time clock
    • 259 Removal and installation of revolution counter
    • 305 Removal and installation of rotary light switch
    • 310 Removal and installation of combination switch
    • 391 Renewing bulb for ashtray light
    • 410 Seat belt warning device, ignition key, lamps USA starting 1978
    • 500 Operation - pneumatic
    • 500 Operation - Tempomat, electric
    • 504 Testing with adapter - Tempomat, electric
    • 505 Checking the actuator - pneumatic
    • 506 Teseting coding plug - Tempomat, eletric
    • 510 Checking switch, control unit and line harness - pneumatic
    • 515 Checking switch - pneumatic
    • 520 Checking sensor - pneumatic
    • 525 Checking cable control - pneumatic
    • 530 Checking control unit - pneumatic
    • 540 Removal and installation of actuator - pneumatic
  • 67 Body, assembly jobs
    • 100 Removal and installation of windshield
    • 200 Removal and installation of rear window
    • 300 Removal and installation of side window on coupe top
    • 400 Removal and installation of rear side window
    • 410 Removal and installation of window opener for rear crank-type window
    • 420 Removal and installation of shutter
  • 68 Interior equipment
    • 100 Removal and installation of instrument panel
    • 105 Removal and installation of cover for loudspeaker left and right
    • 110 Removal and installation of trimstrip on instrument panel
    • 120 Glove box cover
    • 140 Removal and installation of glove box
    • 150 Removal and installation of cover under instrument panel
    • 200 Removal and installation of center console
    • 220 Removal and installation of rating plate on center console
    • 230 Removal and installation of cover on shift level
    • 400 Removal and installation of reveal molding on windshield
    • 410 Removal and installation of reveal molding on coupe
    • 420 Reveal molding on coupe top laterally and rear bottom
    • 425 Reveal molding on coupe top laterally and center top
    • 430 Removal and installation of headlining on coupe top
    • 440 Removal and installation of rug on entrance
    • 450 Removal and installation of paneling in rear center
    • 455 Removal and installation of rear side wall (Roadster)
    • 456 Removal and installation of rear side wall (Coupe)
    • 458 Removal and installation of hat rack and tray for first aid kit (Coupe)
    • 460 Replacement of lining on Coupe top well cover
    • 470 Removal and installation of cover on box-type pillar
    • 500 Removal and installation of trim strips
    • 540 Removal and installation of ornamental frame on windshield
    • 550 Removal and installation of weatherstrip on windshield pillar
    • 560 Removal and installation of ornamental frame on rear window of coupe top
    • 570 Removal and installation of ornamental frame on side wondow of Coupe top
    • 575 Removal and installation of ornamental frame on rear window of Coupe
    • 580 Removal and installation of ornamental frame on shutter of Coupe
    • 700 Removal and installation of partition between tank and trunk
  • 72 Doors
    • DRIVER'S DOOR, FRONT PASSENGER DOOR
    • 100 Removal and installation of door lining
    • 110 Removal and installation of window crank
    • 120 Removal and installation of inset on inside door actuation
    • 130 Removal and installation of cover molding at lock end
    • 140 Removal and installation of armrest with grip
    • 150 Removal and installation of door bag
    • 160 Removal and installation of inside sealing strip
    • 170 Removal and installation of outside sealing strip
    • 180 Removal and installation of window opener
    • 190 Removal and installation of crank window
    • 195 Adjustment of crank window
    • 200 Removal and installation of window guides, front and rear
    • 210 Removal and installation of door catch
    • 220 Removal and installation of door sealing frame
    • 230 Removal and installation of inside door actuation
    • 240 Removal and installation of outside door handle
    • 250 Removal and installation of door lock
    • 260 Removal and installation of striker eye
    • 270 Removal and installation of outside rear view mirror
  • 75 Trunk lid and exterior flaps
    • 100 Removal and installation of trunk lid
    • 102 Removal and installation of trunk lid lock and snap lock
    • 110 Removal and installation of hinged lever for trunk lid and top well cover
    • 130 Removal and installation of torsion bar spring (Roadster)
    • 135 Removal and installation of torsion bar spring (Coupe)
    • 200 Removal and installation of top well cover
    • 220 Removal and installation of top well cover lock
    • 240 Removal and installation of guide bearing with pull rod
    • 260 Coversion of guide bearing with pull rod
    • 300 Removal and installation of tank flap (Roadster)
    • 305 Removal and installation of tank flap (Coupe)
  • 77 Sliding roof, tops, coupé top
    • 100 Removal and installation of sliding roof cover
    • 110 Adjustment of sliding roof cover
    • 140 Removal and installation of drive cable control
    • 150 Removal and installation of drive cable tube
    • 180 Removal and installation of holder with motor and gear unit
    • 190 Trouble diagnosis, electrical sliding roof
    • 300 Removal and installation of top
    • 305 Removal and installation of roadster top cover
    • 310 Renewing window on roadster top
    • 320 Removal and installation of top lock on top well
    • 330 Removal and installation of top lock on top of frame
    • 340 Opening folding top case cover
    • 360 Removal and installation of windshield header molding with guide bearing
    • 420 Removal and installation of lock on upper end of Coupe top
    • 430 Removal and installation of lock on bottom of Coupe top
  • 80 Central locking system
    • 010 General
    • 020 Design and operation of central interlock
    • 200 Removal and installation as well as adjustment of vacuum switch of driver's door
    • 210 Removal and installation of vacuum element of front passenger's door
    • 230 Removal and installation vacuum element of tank filler neck flap
    • 240 Removal and installation of vacuum element for trunk lid
    • 250 Removal and installation of vacuum supply tank
    • 260 Checking central interlock
    • 900 Central interlock
    • 901 Central interlock and air-conditioning system
    • 902 Central and backrest interlock with air-conditioning system
  • 82 Electrical system of body
    • LAMPS
    • 052 Removal and installation of lamp unit
    • 063 Removal and installation of fog lamp bulb
    • 252 Removal and installation of tail lamp unit
    • 348 Removal and installation of license plate lamp
    • 349 Dome lamps
    • RADIO, ANTENNA
    • 500 Connection for radio
    • 530 Function of automatic antenna
    • WIPING-WASHING SYSTEM
    • 610 Removal and installation of wiper arm
    • 620 Removal and installation of wiper blade
    • 625 Removal and installation of wiper blade rubber profile strip
    • 685 Renewing impulse switch on wiper motor
    • SEAT HEATING SYSTEM
    • 800 Operation of seat heating system
    • 810 Checking seat heating system
    • 820 Removal and installation of pushbutton switch for seat heating system and renewing bulb
    • 830 Renewing heating pad of seat heating system
  • 88 Detachable body components
    • FENDERS
    • 100 Removal and installation of front fender
    • 110 Removal and installation of panelling between front fender
    • 120 Replacement of bottom section of front fender
    • BUMPERS
    • 200 Removal and installation, disassembly and assembly of front bumper
    • 220 Removal and installation, disassembly and assembly of rear bumper
    • ENGINE HOOD
    • 300 Removal and installation of engine hood and hinge lever
    • 310 Removal and installation of cable control for engine hood
    • RADIATOR SHELL
    • 400 Removal and installation of radiator shell
    • 410 Removal and installation of air flow grille under bumper
  • 91 Seats and seat belts
    • HEADREST
    • 050 Adjustment of friction torque on headrest
    • DRIVER'S SEAT
    • 100 Removal and installation of driver's seat
    • 110 Removal and installation of front passenger's seat
    • 112 Design and operation of backrest lock (Coupe)
    • 115 Removal and installation of vacuum element from driver's or front passenger's seat (Coupe)
    • 117 Removal and installation of door contact vacuum switch (Coupe)
    • 118 Removal and installation of vacuum switch in rear of vehicle (Coupe)
    • 120 Removal and installation of seat rail and seat fittings
    • 130 Removal and installation of seat height adjuster (with lateral control lever)
    • 140 Bearing bolt on driver's cushion frame, driver's backrest
    • 150 Checking backrest lock (Coupe)
    • 162 Functional diagram backrest lock (Coupe)
    • 170 Removal and installation of rear seat and rear seat backrest (Coupe)
    • SAFETY BELT
    • 500 Removal and installation of safety belt
    • 550 Safety belt - replacement instructions