Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Mercedes Benz SL320FACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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- Quick Lookups
- Accessories & Equipment
- Accessories Control Systems
- Anti-Theft Systems
- Collision/Avoidance
- Communication Devices
- Cruise Control Systems
- Entertainment Systems
- Exterior Lights
- Gauges & Instrument Panels
- Headlights
- Heated Glass/Defoggers
- Horns
- Ignition Switch/Steering Lock
- Infotainment
- Interior/Exterior Trim
- Interior/Illumination Lights
- Memory Modules
- Mirrors
- Seats
- Steering Column Switches
- Window Motors & Regulators
- Wiper/Washer Systems
- Body & Frame
- Brakes
- Drivelines & Axles
- Axle Shafts
- Differentials & Drive Axles
- 1996-97 Drive Axles MERCEDES-BENZ Differentials & Axle Shafts - C220, C280, E300, E320, E420, S320, S420, S500, SL320 & SL500
- Axle Shafts - Rear - 126, 129, 140, 202, 208, 209 & 210 Chassis
- Differentials & Axle Shafts - C36, C280, E300, E320, S320, S420S, 500, S600, SL320, SL500 & SL600
- Front Axle -- 129 Chassis
- Rear Axle -- 129 Chassis
- Driveshaft & Universal Joints
- Wheel Hubs
- Electrical
- Engine Mechanical
- Accessory Drive Belts
- Auxiliary Emission Control Systems
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Fuel System -- 129 Chassis
- Mixture Formation -- Component Modifications -- 129 Chassis
- Mixture Formation -- General Information -- 129 Chassis
- Mixture Formation -- Repair & Adjustments -- 129 Chassis
- Mixture Formation -- Self-Diagnostic System -- 129 Chassis
- Mixture Formation -- Testing & Repair -- 129 Chassis
- Lubrication System
- Mechanical
- Air Intake, Turbo Charging -- 129 Chassis
- Complete Engine -- General Information -- 129 Chassis
- Complete Engine -- Repair & Adjustments -- 129 Chassis
- Complete Engine -- Testing & Repair -- 129 Chassis
- Crank Assembly -- 129 Chassis
- Engine Mechanical
- Engine Suspension -- 129 Chassis
- Engine Timing -- Basic Knowledge -- 129 Chassis
- Engine Timing -- General Information -- 129 Chassis
- Engine Timing -- Repair & Adjustments -- 129 Chassis
- Engine Timing -- Safety Precautions -- 129 Chassis
- Engine Timing -- Testing & Repair -- 129 Chassis
- Starter
- Engine Performance
- Engine Controls - On-Vehicle Adjustments
- Application
- Emissions
- Engine Control Systems
- Fuel Delivery
- Fuel System -- 129 Chassis
- Mixture Formation -- Component Modifications -- 129 Chassis
- Mixture Formation -- General Information -- 129 Chassis
- Mixture Formation -- Repair & Adjustments -- 129 Chassis
- Mixture Formation -- Self-Diagnostic System -- 129 Chassis
- Mixture Formation -- Testing & Repair -- 129 Chassis
- Ignition System
- Electrical System - Engine -- 129 Chassis
- Mixture Formation -- Component Modifications -- 129 Chassis
- Mixture Formation -- General Information -- 129 Chassis
- Mixture Formation -- Repair & Adjustments -- 129 Chassis
- Mixture Formation -- Self-Diagnostic System -- 129 Chassis
- Mixture Formation -- Testing & Repair -- 129 Chassis
- Remove, Overhaul & Install
- Sensor Range Charts
- Engine Controls - Service & Adjustment Specifications
- System
- Data Link Connector - Terminal Identification
- DTC Index
- Engine Controls - Self-Diagnostics
- Engine Controls - System & Component Testing - Gasoline
- Engine Controls - System & Component Testing - Gasoline - C36, C43, C220, C230, C280, Cl500, CLK320, CLK430, E55, E320, E430, Ml55, Ml320, Ml430, S320, S420, S430, S500, SL320, SL500, SLK230,
- Engine Controls - Tests W/O Codes
- Testing & Diagnosis
- Data Link Connector - Terminal Identification
- DTC Index
- Engine Controls - Self-Diagnostics
- Engine Controls - System & Component Testing - Gasoline
- Engine Controls - System & Component Testing - Gasoline - C36, C43, C220, C230, C280, Cl500, CLK320, CLK430, E55, E320, E430, Ml55, Ml320, Ml430, S320, S420, S430, S500, SL320, SL500, SLK230,
- Engine Controls - Tests W/O Codes
- Theory and Operation
- Tune-Up
- Electrical System - Engine -- 129 Chassis
- Mixture Formation -- Component Modifications -- 129 Chassis
- Mixture Formation -- General Information -- 129 Chassis
- Mixture Formation -- Repair & Adjustments -- 129 Chassis
- Mixture Formation -- Self-Diagnostic System -- 129 Chassis
- Mixture Formation -- Testing & Repair -- 129 Chassis
- Vacuum Diagrams
- Engine Performance Wiring Diagrams
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Computer Relearn Procedures
- OBD-II Drive Cycles
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Compressed Natural Gas Safety Precautions
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Hoist/Jack
- Identification
- Metric Conversions
- OEM General Information
- Maintenance Reminder Light (Reset Procedures)
- Restraints
- Specifications Index
- Steering
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- Maintenance
- Restraints
- Steering
- Suspension
- Transmission
- Automatic Trans
- Automatic Transmission -- Basic Knowledge -- 129 Chassis
- Automatic Transmission -- General Information -- 129 Chassis
- Automatic Transmission -- Repair & Adjustments -- 129 Chassis
- Automatic Transmission -- Testing & Repair -- 129 Chassis
- Automatic Transmission Oil Pan Gasket Id
- Diagnosis - W5A580/722.6 Series
- Overall Vehicle -- 129 Chassis
- Overhaul - W5A580/722.6 Series
- Removal & Installation - A/T
- Servicing - A/T
- Shift Interlock Systems
- Clutch
- Manual Transmission -- 129 Chassis
- Automatic Trans
- External Pages
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.