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Manual Coverage
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Systems Covered
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Engine:
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Detailed coverage including inspection, oil/filter change, valve clearance adjustment, idle speed adjustment, injection timing, fuel filter replacement, air filter, V-belts, intake/exhaust manifolds, spark plugs, oxygen sensor.
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Cooling System:
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Coolant level check, antifreeze protection, cooling system inspection, coolant replacement, heating system.
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Fuel System:
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Fuel filter and prefilter replacement, fuel system condition checking.
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Transmission:
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Manual transmission oil change, checking/correcting oil level. Automatic transmission fluid and filter change, checking/correcting fluid level. Transfer case fluid change, checking/correcting fluid level.
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Clutch System:
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Clutch disk wear inspection, fluid level checking/correcting, system inspection.
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Suspension And Steering:
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Suspension inspection, ball joint inspection (with special tool), front axle oil level, rear axle oil change/level check, rear axle mount adjustment, steering play check, steering bolt retightening, level control (ADS, ASD, 4MATIC) fluid level, self-leveling suspension inspection.
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Brakes:
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Brake fluid level check, brake line inspection, brake pad/disk thickness inspection, brake disk inspection/cleaning, parking brake cable inspection, parking brake adjustment, brake fluid replacement, brake test, parking brake check.
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Electrical System:
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Wiring schematics, warning/indicator lamp check, battery fluid level check.
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Body And Chassis:
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Body structure inspection, water leakage/corrosion inspection, wheel inspection/rotation, tire inspection/pressure correction, wheel bolt tightening, drive shaft flexible coupling inspection, door hinge lubrication, door lock lubrication, hydraulic top fluid level, sunroof rail cleaning/greasing, soft top locking tab check, hood lubrication, safety belt inspection, backrest lock operation check, noise encapsulation panel removal/installation, body paint damage check.
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Heating And Air Conditioning:
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AC refrigerant charge check, dust filter replacement, active charcoal filter replacement, recirculating air filter replacement.
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Lighting:
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Headlamp and exterior lamp inspection.
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Wipers And Washers:
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Windshield wiper and washer inspection, wiper blade replacement, windshield washer fluid level check.
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Procedures Included
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Maintenance:
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Routine maintenance, fluid changes, filter replacements, belt checks, spark plug replacement, lubrication.
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Troubleshooting:
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Detailed troubleshooting guidance for various systems.
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Repair And Rebuild:
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Step-by-step repair and rebuild procedures for major components.
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Diagnostics:
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All diagnostic procedures are covered in great detail.
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Engine Management:
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Covers injection timing adjustments, idle speed adjustments, and component checks essential for proper engine operation and emissions.
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Technical Depth
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Level Of Detail:
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High - covers procedures comparable to professional Mercedes-Benz technicians, including detailed diagrams, illustrations, and wiring schematics.
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Completeness:
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Comprehensive, covering all major topics for repair, maintenance, rebuild, and refurbishment, providing step-by-step instructions and specifications.
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Engine Specifications
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Primary Engine
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Engine Code:
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M116 (V8)
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Engine Configuration:
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3.8 Liter (3839 cc) SOHC V8
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Performance
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Horsepower:
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Approx. 155-160 hp @ 4750 rpm (depending on market and specific tuning)
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Torque:
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Approx. 200-210 lb-ft @ 2500 rpm (depending on market and specific tuning)
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Fuel System
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Fuel Delivery:
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Bosch K-Jetronic Fuel Injection (CIS - Continuous Injection System)
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Maintenance Specifications
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Oil Capacity:
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Approx. 8.5 quarts (8.0 liters) with filter change (refer to manual for exact capacity)
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Recommended Oil Viscosity:
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Typically 20W-50 or 15W-40 for this era, depending on climate (refer to manual for precise MB specifications)
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Spark Plug Type:
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Specific Bosch or equivalent plugs (manual will list exact part numbers and gap)
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Valve Clearance Adjustment:
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Detailed procedure provided; typically a cold adjustment using feeler gauges.
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Maintenance
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Service Intervals
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General Guidelines:
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The manual provides detailed procedures for tasks, implying intervals based on mileage and time. Key services like oil changes, filter replacements, and fluid checks are critical. Valve adjustments and injection system checks are periodic requirements.
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Fluid Specifications
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Coolant:
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Mercedes-Benz Specification 325.0 (Ethylene Glycol based) or equivalent, typically a 50/50 mix with distilled water. Manual will detail exact type and antifreeze protection level.
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Brake Fluid:
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DOT 3 or DOT 4, complying with Mercedes-Benz specifications (refer to manual for precise type).
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Power Steering Fluid:
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Typically a hydraulic fluid meeting Mercedes-Benz specification (e.g., CHF 11S or equivalent; manual will confirm).
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Known Issues
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Common Wear Items:
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Vacuum leaks affecting idle and performance, fuel distributor issues, wear on suspension bushings, aging rubber hoses and seals, early ABS system quirks (if equipped), and potential rust in common areas for older vehicles. The manual's diagnostic sections are crucial for addressing these.
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