1998 MERCEDES-BENZ SL500 A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 1998-2000 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.

R-12 leak detectors will not detect R-134a leaks. For R-134a system an electronic type leak detector i...

CLICK HERE TO GET FULL ACCESS TO 1998 MERCEDES-BENZ SL500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Air Bag System Precautions -> Mercedes-Benz -> Arming
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

  • Ensure ignition is in OFF position and nobody is inside vehicle.
  • Connect SRS red electrical connectors.
  • If disconnected, connect battery ground cable.
  • From a safe positi...

CLICK HERE TO GET FULL ACCESS TO 1998 MERCEDES-BENZ SL500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Mercedes-Benz -> Component Replacement & Adjustment -> Rear A/C Refrigerant Shutoff Valve, Replace -> S430 & 2000 S500
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

S430 & 2000 S500
  • Recover refrigerant as outlined under .
  • Remove lefthand front wheel and inner fender.
  • Remove plastic nut and union nuts. Plug openings.
  • Remo...

CLICK HERE TO GET FULL ACCESS TO 1998 MERCEDES-BENZ SL500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Mercedes-Benz -> Automatic Temperature Control Systems -> Diagnosis & Testing -> 16-pin Data Link Connector (DLC) -> 38-pin Data Link Connector (DLC) -> Accessing Diagnostic Trouble Codes -> Actual Values -> C43, C230 & C280 -> C43, C230, C280, E55, E300, E320 & E430 -> CL600, S320, S420 & S600 & 1998-99 CL500 & S500 -> Clearing Diagnostic Trouble Codes -> Component Diagnosis & Testing -> Diagnostic Test -> Diagnostic Trouble Code Interpretation -> Diagnostic Trouble Code Memory -> E55, E300, E320 & E430 -> Electrical Test -> Electrical Tests -> Evaporator & Outside Temperature Sensors -> Function Tests -> Heat Exchanger & Interior Air Temperature Sensors -> Individual Flap Test -> SL500 & SL600 -> Test A -> Test B -> Test C -> Using Hand-Held Tester -> Using Impulse Counter Scan Tool -> Using Temperature Display Window -> Vacuum Tests
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

Refer to Figs. through for explanations of symbols, connections and steps included in charts.

Accessing Diagnostic Trouble Codes

Using Impulse Counter Scan Tool
16-Pin Data Link Connector (DLC)
  • Connect impulse counter scan tool No. 124-589-19-21-00, or equivalent, ground circuit 31 black wire to socket No. 1, Fig. .
  • Connect ignition circuit 15 red wire to socket No. 16.
  • Connect yellow wire to diagnostic output socket of system being tested, Fig. .
  • LED "U-Bat" must light. If LED does not light, check voltage supply and to...

CLICK HERE TO GET FULL ACCESS TO 1998 MERCEDES-BENZ SL500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Mercedes-Benz -> Component Replacement & Adjustment -> Cabin Air Filter, Replace -> CL600, S320, S430 & S600 & 1998-99 CL500 & S500
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

CL600, S320, S430 & S600 & 1998-99 CL500 & S500
  • Remove windshield wiper system as previously outlined under "Heater Core, Replace."
  • Remove water collector as previously outlined under "... "

CLICK HERE TO GET FULL ACCESS TO 1998 MERCEDES-BENZ SL500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 MERCEDES-BENZ SL500 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 MERCEDES-BENZ SL500 cars and light trucks from 1990+

Mercedes-Benz -> Component Replacement & Adjustment -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Product Compatibility -> Radio Coded Anti-Theft System
Vehicle: 1998 MERCEDES-BENZ SL500 5.0 V8 GAS

Prior to performing any service operations, refer to for related information.

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming procedures.

Battery Ground Cable

Prior to service, disconnect battery ground cable and isolate as required.

Product Compatibility

Before replenishing refrigerant or refrigerant oil, ensure product compatibility with the system being serviced. Refer to for specifications.

Radio Coded Anti-Theft System

Anti-theft radios have a coded theft protection circuit. The COD...

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