MERCEDES BENZ W124 300E, 300CE, 300TE 1985-1992 Comprehensive Workshop Service Manual | PDF Download
MERCEDES BENZ W124 300E, 300CE, 300TE 1985-1992 Factory Workshop Manual Collection | PDF Download
MERCEDES BENZ W124 300E, 300CE, 300TE 1985-1992 Factory Workshop Manual Collection | PDF Download
Massive Mercedes Benz Factory Manual collection for the W126 with over 3300 pages. Includes:
- Mercedes Benz W124 Factory Chassis & Body Workshop Manual
- Mercedes Benz W124 Air Conditioning System Factory Workshop Manual
- Mercedes Benz W124 Cruise Control Factory Workshop Manual
- Mercedes Benz Engine 103 (3 Litre 6 Cylinder Petrol) Factory Workshop Manual
Easy, step by step instructions, this manual is suitable for the home workshop mechanic or professional technician.
Models covered manufactured from 1985 - 1992:
- Mercedes Benz 300E
- Mercedes Benz 300E 4Matic
- Mercedes Benz 300CE
- Mercedes Benz 300TE
Engines covered:
- M103 3.0 Litre 6 Cylinder
Below is a detailed list of topics covered in these Mercedes Benz Manuals:
- Electrical System Engine
- Removing, testing and Installing alternator
- Removing and Installing poly V-belt pulley (fan assembly)
- Removing, testing and Installing regulator
- Removing, testing and Installing starter motor
-
Suspension - Shock Absorbers, springs, Torsion Bars
- Removing and Installing shock absorber struts
- Removing and Installing rear shock absorber
- Removing and Installing front spring
- Removing and Installing rear springs
- Removing and Installing front torsion bar
- Removing and installing rear torsion bar
-
Suspension Level control, and Rear Axle
- Removal and Installation of rear axle complete
- Removal and Installation of front and rear rubber mounts of rear axle suspension
- Removal and Installation of camber strut
- Removal and Installation of torque strut
- Removal and Installation of tie rod, replacement of rubber mount
- Removal and Installation of thrust arm
- Removal and Installation of spring link, replacement of rubber mount
- Removal and Installation of wheel carrier
- Replacement of supporting joint on wheel carrier
- Removal and Installation of rear axle shaft flange with angular ball bearing
- Bleeding the ASD hydraulic system
- Removal and Installation of rear axle center assembly
- Replacement of radial sealing ring on bevel drive pinion
- Replacement of radial sealing ring on connecting flange of rear axle shaft
- Removal and Installation of rear axle shafts
- Replacement of rubber cup seal on rear axle shaft
- Removal and Installation of connecting flange of rear axle shaft
-
Front and Rear Axles
- Removing and Installing front axle halves
- Adjusting wheel bearing play
- Removing and Installing front wheel hub
- Replacing front wheel hub
- Removing and Installing steering knuckle
- Removing and Installing steering knuckle arm
- Checking supporting joint of steering knuckle mounting
- Replacing boot for supporting joint of steering knuckle mounting
- Replacing supporting joint
- Removing and Installing control arm
- Replacing control arm mounting
- Testing rear axle spring struts
- Testing front axle spring struts for leaks
- Testing spring actuators on front and rear axles
- Testing pressure oil pump and level controller on rear axle
- Removing and Installing rear axle spring struts
- Removing and installing front axle spring struts
- Removing and Installing spring actuators
- Removing and Installing control rod/ connecting rod on level controller
- Removing and Installing level controller
-
Chassis Alignment
- General Information on chassis alignment
- Checking and adjusting vehicle level at front and rear axles
- Checking and adjusting control point of level control
- Checking and adjusting ball point position
- Checking and adjusting camber and caster at front axle
- Checking and adjusting toe-in at front axle
- Checking toe-out on turns
- Checking camber at rear axle
- Checking and adjusting toe-In at rear axle
- Measuring rear axle spring link, camber strut, torque strut, thrust arm and track rod
- Measuring wheel carrier
- Measuring steering knuckle
- Measuring lower wishbone
-
Propeller Shaft
- Removal and installation of propeller shaft
- Removal and Installation of propeller shaft front axle on 4MATIC
- Balancing rear propeller shaft on vehicle
- Measuring propeller shaft alignment with mechanical propeller shaft articulation angle meter
- Removal and installation of propeller shaft intermediate bearing and renewing of grooved ball bearing
- Renewing centering sleeve
-
Brake System - Hydraulics
- Bleeding brake system and replacing brake fluid
- Replacing brake hoses
- Checking brake system for leakage using pressure tester
- Removal and Installation of mechanical stop lamp switch
- Removal and Installation of fixed caliper on front axle
- Removal and Installation of floating caliper on front axle
- Removal and Installation of fixed caliper on rear axle
- Disassembly and assembly of fixed caliper
- Disassembly and assembly of floating caliper
- Checking and replacing brake pads
- Checking, removal and Installation of brake disc on front axle
- Checking, removal and Installation of brake discs on rear axle
- Removal and Installation of stepped tandem master brake cylinder
- Reconditioning stepped tandem master brake cylinder
- Removal and Installation of parking brake pedal assembly
- Removal and Installation of hand brake lever for parking brake
- Removal and Install. of release knob for parking brake hand lever
- Removal and Installation of front brake control cable
- Removal and Installation of rear brake control cable
- Removal and Installation of parking brake shoes
- Adjusting parking brake
-
Brake System - Anti Locking brake System (ABS)
- Design and function of anti-lock braking system
- Important Information on repairs
- Removal and Installation of hydraulic unit
- Removal and Installation of ABS control unit
- Removal and Installation of relays for solenoid valve and charge/return pump
- Removal and Installation of overvoltage protection/ basic module
- Removal and Installation of front wheel-speed sensors
- Removal and Installation of rear wheel-speed sensor
- Electrical test program
- Test Instructions for ABS tester with fault memory
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Brake System - Accelerator Skid Control (ASR)
- Design and Function of Acceleration Skid Control ASR II
- Removal and Installation of ASR hydraulic unit
- Removal and Installation of ASR pressurizing pump
- Removal and installation of accumulator
- Removal and Installation of left and right rear axle speed sensors
- Removal and installation of ASR control unit
- Test Program - ASR II electrics
- Test Program - ASR II hydraulics
- Testing check valve
- Checking brake booster
- Removal and Installation of brake booster
-
Steering System
- Survey of steering gears
- Survey of power steering pumps
- Survey of steering linkage
- Checking play of steering components
- Checking and adjusting friction torque of steering gear
- Replacing steering gear when performing repairs to vehicle Involved In accident
- Important notes regarding repair of steering gear
- Removing and Installing parameter steering
- Removing, installing and checking bearing cover with pitman arm shaft
- Disassembling and assembling pitman arm shaft bearing cover
- Removing and Installing adjusting screw
- Removing, Installing and checking play compensator
- Removing and Installing steering shaft bearing cover, replacing radial seal ring
- Removing, installing and checking control valve
- Filling and bleeding the power steering pump/ tandem pump
- Disassembling and assembling power steering pump/ tandem pump
- Testing oil pressure of power steering pump
- Adjusting steering gear In vehicle
- Removing, Installing, replacing sealing ring In lower housing cover
- Removing and Installing of steering gear
- Removing and installing power steering pump
- Filling and bleeding power steering pump
- Removing and Installing drag link
- Removing and Installing steering Idler arm, replacing plain rubber mount
- Removing and Installing tie rod
- Replacing boot for tie rod ball joint and drag link ball joint
- Removing, checking and Installing jacket tube
- Dismantling and assembling jacket tube
- Removing and Installing the steering lock complete
- Removing and Installing lock cylinder
- Removing and Installing steering wheel
- Removing and Installing contact spiral
- Removing and Installing steering angle sensor
- Removing and Installing slip ring on steering wheel
-
Electrical - Instrument Panel, Switches
- Initial filling of battery
- Treatment of battery when vehicle taken out of use
- Installing separate fuse for blower motor
- Overvoltage protection relay
- Removing and Installing odometer
- Hall sensor, road speed signal with mechanical/ electronics speedometer
- Testing electronic speedometer
- Testing electric oil pressure gauge
- Testing gauge for economic driving
- Function of fuel gauge sensor
- Testing fuel gauge
- Testing windscreen washer level Indicator
- Removing and Installing rear dome lamp and switch
- Location and Identification of fuses and unfused connections
- Warning device for parking brake
- Charging battery, testing state and capacity
- Removing and Installing front fuse and relay box and location of auxiliary fuse boxes
- Removing and Installing combination relays
- Removing and Installing horns of two-tone signal system or fanfares
- Removing and Installing control units of module box
- Removing and Installing blower motor for module box
- Removing and Installing module box
- Removing and Installing combination switch
- Removing and Installing switches In center console
- Removing and Installing exterior light switch
- Electrical connections of optional equipment
- Removing and Installing clock tachometer
- Removing and Installing speedometer
- Removing and Installing speedometer shaft
- Removing and Installing Instrument cluster
- Testing operation of exterior lamp failure Indicator
- Removing and Installing exterior lamp failure monitoring unit
- Removing and Installing gauges
- Removing and Installing function display
- Testing electrical outside temperature display
- Removing and Installing temperature sensor of outside temperature display
- Function of electronic brightness control of Instrument lighting
-
Body Glass - Windshield, Back Window, Side Windows,
- Removal and Installation of windshield glass
- Removal and installation of back window
- Removal and installation of ornamental frame back window
- Removal and installation of side window in rear passenger
- Removal and installation of side window in loading space (T-sedan)
- Adjusting rear side window
-
Body Assembly - Instrument Panel, Center Console, Trim
- Removal and installation of instrument panel
- Removal and installation of cover for speaker
- Removal and installation of cover under instrument panel
- Removal and installation of center console
- Removal and installation of lateral trim on center console
- Removal and Installation of cover on shift lever
- Removal and installation of trim on roof frame front
- Removal and installation of reveal molding laterally on windshield
- Removal and Installation of panel above windshield (convertible)
- Removal and Installation of reveal molding at top of windshield( convertible)
- Removal and installation of headlining
- Removal and Installation of trim on roof frame, rear
- Removal and installation of trim on rear pillar
- Removal and installation of side wall trim in rear passenger compartment
- Removal and installation of electrical roller blind for rear window
- Removal and installation of trim on center pillar
- Removal and installation of trim on rear center pillar (T-sedan)
- Removal and installation of trim in rear compartment (T-sedan)
- Removal and installation of trim on rear center piece
-
Body Assembly - Doors
- Removal, installation and adjustment of driver's door
- Replacing driver's door
- Removal, installation and adjustment of rear door
- Replacing rear door
- Removal and installation of door lining on driver's door
- Removal and installation of door lining on rear door
- Disassembly and assembly of door lining on driver's door
- Removal and installation of door lining on tailgate (T)
- Removal and installation of window crank
- Removal and installation of sealing strip
- Removal and installation of outside sealing strip
- Removal and installation of window lift (power window) on driver's door
- Removal and installation of' window lift (power window) on rear door
- Removal and installation of electric window lift on driver's door
- Removal and installation of electric window lift on rear door
- Removal and installation of crank window on driver's door
- Removal and installation of crank window on rear door
- Adjustment of crank window on driver's door
- Removal and installation of fixed window on rear door
- Removal and installation of flexible window rail on driver's door
- Removal and installation of flexible window rail on rear door
- Removal and installation of door holder
- Removal and installation of sealing frame on driver's door or rear door
- Removal and installation of inside door actuation on driver's door
- Removal and installation of inside door actuation on rear door
- Removal and installation of outside door handle on driver's door
- Removal and installation of outside door handle on rear door
- Removal and installation of door lock on driver's door
- Removal and installation of door lock on rear door
- Removal and installation of inside door actuation on rear door
- Removal and installation of outside door handle on driver's door
- Removal and installation of outside door handle on rear door
- Removal and installation of door lock on driver's door
- Removal and installation of door lock on rear door
- Removal and installation of door lock on tailgate (T- sedan)
- Functional description tailgate lock with electro mechanical closing assist (T-sedan)
- Electric wiring diagram (T-sedan)
- Testing and replacing microswitch (T-sedan)
- Checking and replacing motor (T-sedan)
- Removal and installation of tailgate (T-sedan)
- Adjustment of tailgate (T-sedan)
- Removal and installation of glass pane on tailgate (T -sedan)
- Removal and installation of gas pressure spring on tailgate
- Removal and installation of ledge grips on tailgate
-
Body Assembly - Sun Roof, Soft Top, Roof Rails
- Removal and installation of headlining on sun roof
- Removal and Installation of headlining on cabriolet
- Removal and installation of tilting/sliding sun roof top panel
- Adjustment of tilting/sliding sun roof top panel
- Removal and Installation of gasket and holding rails on sun roof opening
- Removal and installation of control cable
- Removal and installation of tube
- Removal and installation of tube (T -model)
- Removal and installation of angular lifting arm on tilting/ sliding sunroof
- Removal and installation of motor and gear unit
- Checking and adjusting slip clutch for sun roof motor
- Removal and installation of wind deflector on tilting/ sliding sun roof
- Removal and installation of tilting/ sliding sun roof frame
- Removal and installation of soft top (hydraulically control soft top)
- Replacement of soft top cover
- Adjustment of soft top
- Removal and installation of rear window on cabriolet
- Removal and installation of left and right catches
- Adjustment of handle on catch
- Removal and installation of roll-over bar retracted and extended switches
- Removal and installation of soft top compartment open switch
- Removal and installation of switch assembly on left soft top mount
- Removal and installation of soft top bow up (raised) switch
- Removal, installation and adjustment of soft top compartment cover switches "closed" and "locked
- Removal and installation of soft top control unit
- Removal and installation of roof rail (T -model)
- Removal and installation of mounts for roof rack (coupe)
-
Central Locking System
- Function description
- Checking function of control locking system
- Checking electrical function of central locking system
- Checking pneumatic function of supply pump
- Checking electrical function of actuator
- Checking pneumatic function of actuator
- Checking central locking system for leaks
- Checking pneumatic line for leaks
- Removing and Installing actuator
- Removing and Installing rear door actuator
- Removing and Installing fuel filler flap actuator
- Removing and installing supply pump
- Function description of Infrared remote control
- Checking and replacing batteries for infrared transmitter
- Removing and Installing folding key on Infrared transmitter key
- Removing and Installing driver door infrared remote control (IFZ) receiver unit
- Removing and Installing trunk lid Infrared remote control (IFZ) receiver unit
- Removing and installing Infrared remote control unit (IFZ)
- Removing and Installing RCL control module (N54) and IR DAS control module
- Electric wiring diagrams
- Function diagrams
-
Electrical System - Body- Dome Lamps, Trunk Lamp, Heated Rear Screen, Antenna, Wiper Motor
- Removing and Installing dome lamp control unit and rear dome lamp
- Function of dome lamp control unit
- Function of daytime driving lamp
- Retro fitting daytime driving lamp control
- Removing and Installing trunk lamp switch
- Function of city driving lamp
- Testing city driving lamp
- Function of tilting/sliding roof, wiring diagrams
- Convenience control tilting/sliding roof
- Wiring diagram heated rear screen
- Function of automatic antenna
- Function of headlamp wash/wipe system
- Convenience control power windows
- Removing and Installing rubber of wiper blade
- Removing and Installing wiper motor
- Removing and Installing wiper linkage
- Removing and Installing rubber seal below wiper gear
- Removing and Installing tall gate wiper motor
- Function of heated windscreen washer nozzle
- Function of heated windscreen washer system
- Function of seat heaters
- Outside rear-view mirror with electrically heated mirror glass
- Power windows
- Removing and Installing power seat adjustment switch
- Front power seat adjustment
- Testing voltage-coded switch for power seat adjustment with memory
- Function of anti-theft warning system
- Testing anti-theft warning system
-
Electrical System - Exterior Lighting System, Entertainment System
- Adjusting front lighting
- Removing and Installing bulbs of headlamp unit
- Removing and Installing bulb for ashtray Illumination
- Removing and Installing lens of headlamp unit
- Removing and Installing headlamp reflector
- Removing and Installing fog lamp reflector or high beam headlamp reflector
- Testing headlamp range control
- Removing and Installing headlamp unit
- Removing and Installing tail lamp
- Removing and Installing tog lamp
- Removing and Installing bulb of fog lamp
- Removing and Installing license plate lamp
- Function of center high-mounted stop lamp
- Light warning buzzer
- Operating radio
- Removing and Installing radio
- Removing and Installing CO player with changer
- Removing and Installing receiver and amplifier
- Mechanically releasing and removing magazine
- Removing and Installing amplifier of sound system
- Removing and Installing amplifier of active bass speakers
- Removing and Installing speakers In Instrument panel
- Removing and Installing speakers In rear
- Removing and Installing speakers In front doors
- Removing and Installing speakers In rear doors
- Removing and Installing antenna
- Removing and Installing telescope of automatic antenna
-
Body Assembly- Front and Rear Bumpers. Radiator Cowl, Mercedes Star
- Removal and installation of front fender
- Removal and installation of front bumper
- Removal and Installation of molding on front bumper
- Disassembly and assembly of front and rear bumpers
- Removal and installation of rear bumper
- Removal and Installation of molding on rear bumper
- Removal and installation of engine hood
- Adjustment of engine hood
- Removal and installation of engine hood hinge
- Removal and installation of control cable for engine hood
- Removal and Installation of radiator cowling
- Removal and installation of radiator grille
- Removal and installation of trim strips on radiator grille
- Removal and installation of Mercedes star
- Removal and installation of trunk lid
- Attachment of model designation on trunk lid
- Removal and installation of hinge lever on trunk lid and soft top compartment cover
- Adjustment of trunk lid
- Removal, Installation and adjustment of soft top compartment cover (convertible)
- Removal and installation of trim on side wall
- Removal and installation of protective strip on side wall
- Removal and installation of trim on frame side member (coupe)
- Removal and installation of water deflector on front wall pillar and on roof
- Removal and installation of sectional sealing strip on roof frame (coupe)
- Removal and installation of outside mirror
- Removal and installation of electrically adjustable outside mirror
-
Body Assembly- Head Restraints, Drivers Seat, Rear Seat, Seat Coverings
- Removal and installation of adjusting rail for head restraint
- Removal and Installation of guide rail for head restraint
- Removal and installation of driver's seat
- Removal and installation of front passenger seat
- Layout and operation of backrest lock (coupe)
- Removal and installation of vacuum element of driver's or front passenger seat (coupe)
- Removal and installation of vacuum switch on driver's backrest( coupe)
- Removal and installation of gear unit for backrest adjustment
- Removal and Installation of driver's seat height adjustment
- Function diagram of backrest lock (coupe)
- Eliminating noises from front seats
- Removal and installation of armrest with lifting mechanism on driver's seat (coupe)
- Removal and installation of rear seat and rear seat backrest
- Modification of rear seat backrest mounting (coupe)
- Removal and installation of folding armrest for rear seat (coupe)
- Removal and installation of driver's seat cushion cover
- Removal and installation of driver's backrest cover
- Removal and installation of tensioning member on driver's or front passenger backrest
- Removal and installation of front belt tensioner
- Removal and installation of complete seat belt extender
- Removal and installation of seat belt extender rack
-
SRS System - Airbags, Belt Tensioners, Seat Belts
- Description of operation of airbag with belt tensioner
- Safety regulations for airbags and belt tensioners
- Removing and Installing control unit for airbag and belt tensioners
- Renewal regulations for seat belts
- Removing and installing seat belt with belt tensioner
- Removing and Installing belt buckle
- Removing and Installing reserve power source for airbag and belt tensioner
- Removing and Installing voltage transformer for airbag and belt tensioner
- Removing and installing airbag unit In steering wheel
- Removing and Installing passenger airbag unit
- Test program for airbag and belt tensioner
- Test program for belt tensioner (without airbag)
-
Climate Controlled Air Conditioning System Shop Manual
- Instructions for use of service manual
- Engine and vehicle identification
- Vehicle identification number locations
- Removal and Installation of heat exchanger
- Checking oil level in A/C compressor
- Removal and installation of A/C compressor
- Removal and installation of speed sensor on A/C compressor
- Replacing shaft seal on A/C compressor
- Removal and installation of electromagnetic clutch, removal, installation and checking of solenoid coil
- Removal and installation of series resistor for auxiliary fan
- Removal and installation of condenser
- Removal and installation of fluid reservoir
- Testing, removal and installation of pressure switch for A/C compressor in fluid reservoir
- Testing, removal and installation of pressure switch for auxiliary fan in fluid reservoir
- Testing, removal and Installation of evaporator temperature sensor
- Testing, removal and installation of outside air temperature sensor
- Removal and installation of expansion valve
- Removal and installation of evaporator
- Removal and installation of blower motor
- Removal and installation of air conditioner/ automatic temperature control unit
- Removal and replacement of auxiliary fan
- Testing, removal and Installation of switch for air conditioner/ automatic temperature control
- Testing, removal and installation of switch for fresh air/ recirculated air
- Removal and installation of switch-over valve for fresh air/ recirculated air flap
- Removal and installation of vacuum elements
- Testing, removal and installation of speed sensor on starter ring gear
- Description of function of automatic climate control
- Checking functions of automatic climate control
- Checking regulating quality and heating output
- Testing the automatic climate control with the impulse counter
- Checking electric components of the automatic climate control
- Checking compressor cut off and remedial measures
- Electric circuit diagrams
- Checking refrigerating capacity (short test)
- Checking refrigerating capacity and suction/high pressure
- Checking flap control vacuum system for leaks
- Removal and installation of heat exchanger
- Removal and installation of mono valve
- Removal and installation of heating water circulating pump
- Automatic climate control unit
- Removal and installation of aspirator blower (M9) for temperature sensor interior air
- Removal and installation, testing of temperature sensor interior air
- Removal and installation, testing of temperature sensor heat exchanger
- Removal and installation, testing of temperature sensor evaporator
- Removal and installation, testing of temperature sensor outside air
- Removal and installation, testing of fresh/recirculated air switch
- Removal and installation of switch over valve block
- Removal and installation of vacuum elements
- Removal and installation of electronic blower regulator
-
Cruise Control Shop Manual
- Functional Description
- Pushbutton Switch
- Cruise Control Amplifier
- Road Speed Sensor
- Cruise Control Actuator
- Hints for troubleshooting
- Testing with Adapter
- Test Program Survey
- Testing reference resistor
- Removal and Installation of Cruise Control Actuator
- Removal and Installation of pushbutton switch
- Removal and Installation of sensor
- Adjusting Connecting rod to control cable
- Removal and Installation of cruise control amplifier
- Removal and Installation of cruise control reference resistor
- Removal and Installation of switch on clutch pedal
- Installation of relay against partial load shaking
- Installation of relay against deceleration shaking
- Layout of connectors
- Wiring Diagrams
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