Mercedes-Benz Service Manual Automatic Climate Control Model 124

Mercedes-Benz Service Manual Automatic Climate Control Model 124 | PDF

Mercedes-Benz technical manual for the Automatic Climate Control system in Model 124 vehicles, especially useful for diagnosis, repair, maintenance and restoration of classic W124 models.

This edition brings together factory technical information for the air conditioning and automatic climate control systems installed in Mercedes-Benz Model 124 vehicles, including sedan, coupé and wagon versions according to year, chassis and vehicle equipment.

The information is organized by technical groups and job numbers, with identification, testing, removal, installation, adjustment and repair procedures for climate control system components.

Unlike a general maintenance manual, this publication is focused specifically on Mercedes-Benz W124 climate control, with wiring diagrams, function tests, sensors, valves, vacuum elements, control unit, compressor, evaporator, condenser and related components.

The scope of the manual can be reviewed in more detail in the Complete Index tab, where the included technical groups and operations are listed.

Main topics covered in the Mercedes-Benz Model 124 climate control manual

• Instructions for use of the Mercedes-Benz service manual
• Engine, vehicle, chassis and model identification
• Vehicle identification number locations
• Removal and installation of the heat exchanger
• Checking oil level in the A/C compressor
• Removal and installation of the A/C compressor according to engine type
• A/C compressor speed sensor and compressor shaft seal
• Electromagnetic clutch, solenoid coil and auxiliary fan series resistor
• Condenser, fluid reservoir, pressure switches and pressure sensors
• Evaporator temperature sensor and outside air temperature sensor
• Expansion valve, evaporator and blower motor
• Air conditioner / automatic temperature control unit
• Switches, switchover valves and vacuum elements
• Functional description of Automatic Climate Control
• Function checks, regulating quality, impulse counter tests, electrical components and compressor cutoff
• Wiring diagrams, refrigerating capacity tests, suction pressure and high pressure checks
• Flap control vacuum system leak testing
• Mono valve, circulating pump, control unit, sensors and electronic blower regulator

Mercedes-Benz models included in this manual:

• Series W124: 260 E, 300 E, 300 CE, 300 TE, 300 D Turbo and 300 TD Turbo

Main technical application:

• Model 124.026: 260 E
• Model 124.030: 300 E
• Model 124.050: 300 CE
• Model 124.090: 300 TE
• Model 124.133: 300 D Turbo
• Model 124.193: 300 TD Turbo

Important: This manual applies to the Mercedes-Benz Automatic Climate Control system used in Model 124 vehicles starting model year 1986. To apply each procedure correctly, always verify the exact model, year, market, chassis number, engine version, installed system and vehicle equipment.

The digital edition allows quick access to the different technical groups through internal bookmarks, making it easier to search by system, job number, component or model from a computer, tablet or mobile phone.

Item features:

• Format: PDF
• Language: English
• Pages: 292
• File size: 55.9 MB
• Delivery method: Download link

Frequently asked questions

Does this manual apply to Mercedes-Benz W124 models?

Yes. It is intended for Mercedes-Benz Model 124 vehicles equipped with air conditioning and Automatic Climate Control, including sedan, coupé and wagon versions according to year, chassis and engine version.

What climate control systems does it include?

It includes technical information for the air conditioning and Automatic Climate Control system, with diagnostic, testing, removal, installation and repair procedures.

Does it include wiring diagrams and vacuum system information?

Yes. The manual includes wiring diagrams, electrical component tests, vacuum elements, switchover valves, sensors, control unit and diagnostic procedures.

Does it include air conditioning repair procedures?

Yes. It covers the A/C compressor, oil level, speed sensor, electromagnetic clutch, condenser, fluid reservoir, pressure switches, expansion valve, evaporator and refrigerating capacity tests.

Is it useful for restoring classic Mercedes-Benz climate control systems?

Because of its specific coverage of the Model 124 Automatic Climate Control system, it is a useful reference for diagnosis, maintenance, repair and restoration of original Mercedes-Benz W124 systems.

Is this a printed manual?

No. This item is a digital PDF version, delivered immediately after purchase. The file includes technical organization by groups and job numbers, making it easy to locate procedures, diagrams, tests and repair operations. It can be viewed from a computer, tablet or mobile phone, or printed by section when working next to the vehicle.