Target Audience:
Enthusiasts, mechanics, owners seeking in-depth technical knowledge
Information Source:
Directly sourced from manufacturer's technical documentation
Accessibility:
Instant download for immediate use
Content Quality:
Reputable source of technical data, diagrams, and procedures
Utility:
Facilitates comprehensive maintenance and repair
Engine:
Complete overhaul, troubleshooting, diagnostics for gasoline and diesel variants
Fuel System:
Carburetor (Zenith, Solex) and Diesel Injection System (Bosch) service and tuning
Cooling System:
Radiator, thermostat, water pump, hoses, and coolant specifications
Ignition System:
Distributor, ignition coil, spark plugs, timing adjustment
Transmission:
Manual (4 and 5-speed) and Automatic (3-speed) transmission overhaul, adjustment, and fluid specifications
Drivetrain:
Clutch, driveshaft, rear axle differential service and repair
Suspension:
Front independent suspension (double wishbone), rear semi-trailing arm suspension, shock absorbers, springs, bushings
Steering:
Power steering system service, steering gear and linkages
Brakes:
Front disc, rear drum brakes; hydraulic system, brake fluid specifications, bleeding procedures
Electrical System:
12V electrical system, battery, alternator, starter motor, lighting, wiring diagrams, fuse panel
Bodywork:
Body panel removal and installation, rust repair guidance, door mechanisms, trim
Heating And Ventilation:
HVAC system components and service
Clutch System:
Mechanical clutch operation, pressure plate, clutch disc, release bearing
Exhaust System:
Exhaust manifold, catalytic converter (later models), mufflers, pipes
Maintenance:
Scheduled maintenance tasks, fluid changes, filter replacements, lubrication
Troubleshooting:
Diagnostic charts and symptom-based problem solving
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly
Diagnostics:
Detailed procedures for identifying and rectifying common faults
Assembly Disassembly:
Comprehensive guides for all major vehicle components
Painting Refinishing:
General guidance on products and supplies, potential for bodywork and paint repair
Collision Repair Guidance:
Information relevant to assessing and repairing damage from collisions
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts
Detail Level:
Includes detailed diagrams, exploded views, torque specifications, and clearances
Engine Families:
M115 (4-cylinder gasoline), M116 (V8 gasoline - W114 350SE/SEL), M117 (V8 gasoline - W114 350SE/SEL), OM615 (4-cylinder diesel), OM616 (5-cylinder diesel)
Typical Horsepower Range:
70 hp (diesel) to 180 hp (V8 gasoline, depending on variant)
Typical Torque Range:
130 Nm (diesel) to 290 Nm (V8 gasoline, depending on variant)
Gasoline Induction:
Single or dual downdraft carburetors (e.g., Solex 32/32 DIDTA, Zenith 35/40 INAT)
Diesel Induction:
Bosch inline injection pump
Engine Oil Specification:
API SE/CD or equivalent (e.g., SAE 10W-40 or 20W-50 depending on climate)
Oil Change Interval:
Typically every 5,000-10,000 km (3,000-6,000 miles) or annually, depending on usage
Tune Up Interval:
Spark plugs, ignition points, and timing checks every 15,000-25,000 km (9,000-15,000 miles)
Valve Adjustment:
Recommended every 25,000-50,000 km (15,000-30,000 miles)
Coolant Type:
Ethylene glycol based coolant (e.g., Mercedes-Benz Coolant)
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid
Common Wear Items:
Ball joints, tie rod ends, control arm bushings, exhaust components, fuel lines
Diesel Engine Concerns:
Glow plug system issues, injector pump seals, pre-combustion chamber carbon buildup
Body Corrosion:
Prone to rust in common areas: wheel arches, sills, door bottoms, battery tray, trunk floor
Manufacturer Legacy:
Mercedes-Benz's reputation for engineering, durability, and luxury
Introduction Context:
Replaced the W110 ('Fintail') range, introduced as a more affordable, smaller Mercedes-Benz model than the S-Class
Manufacturing Locations:
Germany, South Africa, other licensed facilities
Production Volume:
Over 1.8 million units combined (W114/W115), establishing Mercedes-Benz in a wider market segment
