Target Audience:
        
        
            DIY enthusiasts, independent repair shops, Mercedes-Benz owners
        
     
    
        
            Value Proposition:
        
        
            Inexpensive way to maintain and repair the vehicle, provides dealer-level information
        
     
    
    
        
            Alternative Sources:
        
        
            Dealer Service Department, other aftermarket manuals (e.g., Haynes, Chilton - typically less comprehensive)
        
     
    
    
        
            Completeness:
        
        
            Covers all diagnostic and repair procedures, often referred to as a Factory Service Manual (FSM)
        
     
    
        
            Usability:
        
        
            Printable pages for garage use, detailed illustrations
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Yes (Removal/Installation, Crankcase, Cylinder Head, Engine Breathing, Crank Assembly, Timing, Valves)
        
     
    
        
            Engine Fuel System:
        
        
            Yes (Diesel Injection System, Carburetor System, Mechanically/Electronically Controlled Gasoline Injection)
        
     
    
        
            Engine Lubrication:
        
        
            Yes (Lubrication, Oil Cooler)
        
     
    
        
            Engine Cooling:
        
        
            Yes (Cooling System, Hoses, Radiator)
        
     
    
        
            Engine Electrical:
        
        
            Yes (Ignition System, Preheating System, Starter, Alternator)
        
     
    
        
            Engine Intake Exhaust:
        
        
            Yes (Air Cleaner, Intake Manifold, Exhaust Manifold, Emission Control)
        
     
    
        
            Transmission Manual:
        
        
            Yes (Manual Transmission, Power Take-offs)
        
     
    
        
            Transmission Automatic:
        
        
            Yes (Automatic Transmission)
        
     
    
        
            Drivetrain:
        
        
            Yes (Propeller Shaft, Transfer Case)
        
     
    
        
            Suspension:
        
        
            Yes (Suspension, Front Axle, Rear Axle, Trailing Axle)
        
     
    
        
            Brakes:
        
        
            Yes (Hydraulic/Mechanical System, Pneumatic System, Auxiliary Brakes)
        
     
    
    
        
            Fuel System:
        
        
            Yes (Fuel System)
        
     
    
        
            Exhaust System:
        
        
            Yes (Exhaust System, Heat Shield)
        
     
    
        
            Electrical Body:
        
        
            Yes (Equipment/Instruments, Speed Control, Radio, Washer System, Light Range Regulator)
        
     
    
        
            Body Structural:
        
        
            Yes (Frame, Understructure, Front End, Front Wall, Side Wall, Rear Wall, Roof)
        
     
    
        
            Body Exterior:
        
        
            Yes (Glass/Windows, Doors, Trunk Lid, Fuel Flap, Slide Roof, Attachments, Outside Flaps)
        
     
    
        
            Body Interior:
        
        
            Yes (Interior Equipment, Seats, Restraint Systems, Sound Insulation, Body Sealing)
        
     
    
        
            Climate Control:
        
        
            Yes (Climate Control)
        
     
    
        
            Safety Equipment:
        
        
            Yes (Emergency Equipment)
        
     
    
    
        
            Maintenance:
        
        
            Yes (Scheduled Maintenance, Fluid Changes, Filter Replacements)
        
     
    
        
            Repair:
        
        
            Yes (Component Removal, Installation, Rebuild, Refurbishment)
        
     
    
        
            Diagnostics:
        
        
            Yes (All Diagnostic Procedures Covered)
        
     
    
        
            Adjustments:
        
        
            Yes (Throttle Linkage, Regulating Shafts, Accelerator Pedal)
        
     
    
        
            Restoration:
        
        
            Yes (Comprehensive Restoration Guidance)
        
     
    
    
        
            Depth:
        
        
            Comprehensive (Dealer Level)
        
     
    
        
            Illustrations:
        
        
            Detailed Illustrations
        
     
    
        
            Instructions:
        
        
            Step-by-Step Instructions
        
     
 
    
    
    
        
            Engine Type:
        
        
            Inline-6 Cylinder, DOHC (Double Overhead Camshaft)
        
     
    
        
            Displacement:
        
        
            2.8 Liters (2799 cc)
        
     
    
        
            Bore X Stroke:
        
        
            86.0 mm x 80.25 mm (approximate)
        
     
    
        
            Compression Ratio:
        
        
            8.3:1 (typical for M110.984)
        
     
    
    
        
            Horsepower:
        
        
            182 hp @ 5800 rpm (SAE Gross, typical for US spec)
        
     
    
        
            Torque:
        
        
            177 lb-ft @ 4000 rpm (SAE Gross, typical for US spec)
        
     
    
    
        
            Fuel Delivery:
        
        
            Bosch K-Jetronic (CIS - Continuous Injection System)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (91-93 Octane recommended)
        
     
    
    
        
            Cooling Type:
        
        
            Liquid-Cooled
        
     
    
    
        
            Oil Capacity:
        
        
            7.5 Liters (8 US Quarts)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 7,500 to 10,000 miles (12,000 to 15,000 km) or 6-12 months, depending on driving conditions.
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 to 30,000 miles (24,000 to 48,000 km)
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 30,000 miles (48,000 km)
        
     
    
    
        
            Engine Oil Spec:
        
        
            API SG or higher; SAE 10W-40 or 15W-40 recommended (consult specific manual for exact OEM recommendation, e.g., MB 228.1).
        
     
    
        
            Coolant Spec:
        
        
            Ethylene Glycol based antifreeze/coolant (e.g., MB 325.0 or equivalent) mixed 50/50 with distilled water.
        
     
    
        
            Automatic Transmission Fluid:
        
        
            MB 236.1 (Dexron II or equivalent)
        
     
    
        
            Brake Fluid Spec:
        
        
            DOT 3 or DOT 4
        
     
    
    
        
            Common W123 Issues:
        
        
            Rust (wheel arches, door bottoms, jacking points), vacuum leaks (central locking, climate control), fuel distributor issues (K-Jetronic), aging rubber components (hoses, mounts), ignition system components.
        
     
 
    
    
    
        
            Brand Philosophy:
        
        
            Engineering excellence, durability, and safety
        
     
    
    
        
            W123 Introduction:
        
        
            Introduced in 1975 as a successor to the W114/W115, known for its robust construction and longevity.
        
     
    
        
            280Ce Positioning:
        
        
            The 280CE was a premium, sporty coupé variant, representing the pinnacle of luxury and performance within the W123 range for its time.
        
     
    
    
        
            Production Period:
        
        
            1976-1985 (W123 Series); 280CE produced from 1977 onwards.
        
     
    
        
            Manufacturing Location:
        
        
            Germany