Vehicle wiring diagrams Mercedes S-Class (W140)
Designations on schematic diagrams
Electrical Wiring Insulation Color Codes Code Color BLK, BK Black BLU, BU Blue BRN, BN Brown GRN, GN Green GRY,GY Grey NCA Any ORG, OG Orange PNK, PK Pink PPL Purple...
Electrical Wiring Insulation Color Codes Code Color BLK, BK Black BLU, BU Blue BRN, BN Brown GRN, GN Green GRY,GY Grey NCA Any ORG, OG Orange PNK, PK Pink PPL Purple...
Engine Management System for 3.2L Models
Engine Management System for 3.2L Models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Engine Management System for 3.2L Models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Engine management system for 4.2 and 5.0L models
Engine management system for 4.2 and 5.0L models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Engine management system for 4.2 and 5.0L models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Launch system
Launch system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Launch system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Charging system
Charging system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Charging system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic transmission
Automatic transmission See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic transmission See the symbols and abbreviations on the on-board electrical equipment diagrams here →
AT shift lock system
AT shift lock system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
AT shift lock system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electronic power steering system
Electronic power steering system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electronic power steering system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electronic suspension
Electronic suspension See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electronic suspension See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-lock brake system (ABS) on models equipped with traction control system (ASR)
Anti-lock brake system (ABS) on models equipped with traction control system (ASR) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-lock brake system (ABS) on models equipped with traction control system (ASR) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-lock brake system (ABS) on models equipped with electronic skid control (ESP)
Anti-lock brake system (ABS) on models equipped with electronic skid control (ESP) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-lock brake system (ABS) on models equipped with electronic skid control (ESP) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electrical diagram of the tempostat
Tempostat See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Tempostat See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Engine cooling system fan
Engine cooling fan See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Engine cooling fan See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Instrument cluster
Instrument cluster See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Instrument cluster See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Instrument lighting
Instrument lighting See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Instrument lighting See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Exterior lighting on Sedan models with conventional headlights
Exterior lighting on Sedan models with conventional headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Exterior lighting on Sedan models with conventional headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Exterior lighting on Sedan models with xenon headlights
Exterior lighting on Sedan models with xenon headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Exterior lighting on Sedan models with xenon headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Outdoor lighting fixtures
Outdoor lighting fixtures See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Outdoor lighting fixtures See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Standard type headlights
Standard type headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Standard type headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Xenon headlights
Xenon headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Xenon headlights See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Daytime running lights (DRL)
Daytime running lights (DRL) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Daytime running lights (DRL) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Reversing lights on Sedan models
Reversing lights on Sedan models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Reversing lights on Sedan models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Reversing lights on Coupe models
Reversing lights on Coupe models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Reversing lights on Coupe models See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Interior lighting when doors are opened
Interior lighting when doors are opened See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Interior lighting when doors are opened See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic day/night switching of the interior rearview mirror
Automatic day/night switching of the interior rearview mirror See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic day/night switching of the interior rearview mirror See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Parktronic system
Parktronic system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Parktronic system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Horn wiring diagram
Horn See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Horn See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Rear window heating
Rear window heating See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Rear window heating See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Windscreen wipers/washers
Windscreen wipers/washers See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Windscreen wipers/washers See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Headlight cleaners and washers
Headlight Washers/Washers See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Headlight Washers/Washers See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heating of the washer fluid
Heating of the washer fluid See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heating of the washer fluid See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic air conditioning system in the cabin
Automatic air conditioning system in the cabin See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic air conditioning system in the cabin See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic air conditioning system in the rear compartment
Automatic air conditioning system in the rear compartment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Automatic air conditioning system in the rear compartment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-theft alarm
Anti-theft alarm See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Anti-theft alarm See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Single lock
Single lock See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Single lock See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Door closing soft closing system
Door closing soft closing system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Door closing soft closing system See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Trunk lid latch release drive
Trunk lid latch release drive See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Trunk lid latch release drive See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric window lifters
Electric window lifters See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric window lifters See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric driver's seat adjustment
Electric driver's seat adjustment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric driver's seat adjustment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric front passenger seat adjustment
Electric front passenger seat adjustment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric front passenger seat adjustment See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear seat adjustment with solid structure
Electric rear seat adjustment with solid structure See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear seat adjustment with solid structure See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric adjustment of the four-seat split rear seat
Electric adjustment of the four-seat split rear seat See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric adjustment of the four-seat split rear seat See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear window sunblind
Electric rear window sunblind See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear window sunblind See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric convertible top/sunroof
Electric convertible top/sunroof See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric convertible top/sunroof See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heated front seats
Heated front seats See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heated front seats See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heated rear seats
Heated rear seats See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Heated rear seats See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear headrests (Coupe)
Electric rear headrests (Coupe) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric rear headrests (Coupe) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Seat belt comfort position selection device (Sedan)
Seat belt comfort position selection device (Sedan) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Seat belt comfort position selection device (Sedan) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Seat Belt Extender (Coupe)
Seat Belt Extender (Coupe) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Seat Belt Extender (Coupe) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Supplemental Restraint System (SRS)
Supplemental Restraint System (SRS) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Supplemental Restraint System (SRS) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric antenna drive (except models with built-in cell phone and Bose audio system)
Electric antenna drive (except for models with built-in cell phone and Bose audio system) See the symbols and abbreviations on the on-board electrical equipment diagrams...
Electric antenna drive (except for models with built-in cell phone and Bose audio system) See the symbols and abbreviations on the on-board electrical equipment diagrams...
Electric antenna drive (models with built-in cell phone)
Electric antenna drive (models with built-in cell phone) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric antenna drive (models with built-in cell phone) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric Antenna (models with Bose audio system)
Electric antenna drive (models with Bose audio system) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Electric antenna drive (models with Bose audio system) See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Processor data lines
Processor data lines See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Processor data lines See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Memory for adjustable rear view mirrors and telescopic steering column
Memory for adjustable rear view mirrors and telescopic steering column See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Memory for adjustable rear view mirrors and telescopic steering column See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Memory for adjustable seat positions
Memory for adjustable seat positions See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Memory for adjustable seat positions See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Radio receiver electrical circuit
Radio See the symbols and abbreviations on the on-board electrical equipment diagrams here →
Radio See the symbols and abbreviations on the on-board electrical equipment diagrams here →
This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
More similar sections for repairing other models
☛ Electrical equipment: Electrical circuits car Mercedes W168 (1997-2004)
☛ Electrical equipment: Electrical circuits car Mercedes 190 (W201) (1982-1993)
☛ Electrical equipment: Electrical circuits car Mercedes W210 (1996-2002)
☛ Electrical equipment: Electrical circuits car Mercedes W463 (1999-2019)
☛ Electrical equipment: Electrical circuits car Mercedes W163 (1997-2005)
☛ Electrical equipment: Electrical circuits car Mercedes Vito 1 (1996-2003)
Link in different formats to this section
TEXTHTMLBB Code
- General information
- Introduction to guide
- User manual
- Maintenance
- Power unit
- Engine repair
- Cooling and heating systems
- Power and exhaust systems
- Ignition and control system
- Charge and launch systems
- Transmission
- Automatic gearbox
- Drive shafts
- Chassis
- Brake system
- Front suspension
- Rear suspension
- Steering
- Body
- Body elements
- Electrical equipment
- Equipment and devices
- Electrical circuits
- User manual
- Controls and instruments
- Driving and operation
- Maintenance
- Power unit
- Petrol engine V6
- Petrol engine V8
- Petrol engine V12
- Diesel engine OM603
- Diesel engine OM606
- Cooling system
- Power supply and injection system
- Control system HFM-SFI
- Control system LH-SFI
- Control systems ME-SFI
- Diesel control system
- Ignition system
- Charge and launch system
- Transmission
- Mechanical gearbox 717.438
- Mechanical gearbox 717.454
- Automatic gearbox 722.5
- Automatic gearbox 722.6
- Clutch and drive shafts
- Differential
- Chassis
- Brake system
- Steering
- Front suspension
- Rear suspension
- Body
- Exterior (external elements)
- Interior (internal elements)
- Electrical equipment
- Equipment and devices
- Electrical circuits
- General information
- Introduction to guide
- Power unit
- 8-cylinder V8 engine
- 6-cylinder I6 engine
- Cooling and lubrication system
- Power system (carburetor)
- Fuel injection system
- Ignition system
- Transmission
- Clutch and cardan
- Car gearbox
- Chassis
- Front suspension
- Rear suspension
- Steering
- Brake system
- Electrical equipment
- Power devices
- Electrical circuits

