Segment:
Premium, rugged, off-road capable SUV.
Target Audience:
Off-road enthusiasts, luxury SUV buyers seeking durability and capability, collectors of classic Mercedes-Benz vehicles.
Competitors Era:
Land Rover Defender, Toyota Land Cruiser (J60/J70 series), Range Rover Classic.
Design Philosophy:
Robust body-on-frame construction, exceptional off-road capability, legendary durability and build quality.
Unique Selling Points:
Triple locking differentials (optional), coil spring suspension, solid axles, exceptional approach/departure angles.
Benefit To Owner:
Enables owners to perform all necessary maintenance and repairs, reducing reliance on specialized (and potentially expensive) service centers, and preserving the vehicle's longevity and capability.
Engine:
Detailed diagnostics, repair, overhaul, and specifications for the M102 2.8L inline-6 gasoline engine.
Fuel System:
K-Jetronic (CIS) fuel injection system, fuel pump, injectors, pressure regulator, air flow meter, cold start system, and emissions control.
Ignition System:
Ignition timing, distributor, coil, spark plugs, and electronic control unit (if applicable).
Cooling System:
Radiator, fan, water pump, thermostat, hoses, and coolant specifications.
Lubrication System:
Oil pump, oil filter, oil pan, lubrication passages, and oil specifications.
Exhaust System:
Exhaust manifolds, catalytic converter (if equipped), mufflers, and emissions components.
Transmission:
Manual and automatic transmission overhaul, repair, fluid specifications, and troubleshooting. Covers both 4-speed and 5-speed manual transmissions, and 4-speed automatic transmissions (e.g., 722.3).
Drivetrain:
Front and rear differentials, transfer case (including locking mechanisms), driveshafts, CV joints, and hub assemblies.
Suspension:
Front and rear suspension components, springs, shock absorbers, bushings, ball joints, tie rod ends, and alignment specifications.
Steering:
Power steering system, steering gearbox, steering column, and related components.
Brakes:
Front and rear brake systems (disc brakes), brake calipers, master cylinder, brake lines, parking brake, ABS components (if equipped), and fluid specifications.
Electrical System:
Wiring diagrams, starter, alternator, battery, lighting, fuses, relays, and accessory circuits.
Climate Control:
Heating, ventilation, and air conditioning (HVAC) system components, refrigerant, and troubleshooting.
Body And Chassis:
Body panel removal and installation, frame inspection, doors, windows, seats, and interior trim.
Wheels And Tires:
Wheel specifications, tire sizes, and mounting procedures.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, lubrication points, and belt inspections.
Engine Repair:
Engine assembly/disassembly, piston/ring replacement, cylinder head service, valve adjustments, crankshaft/camshaft service.
Transmission Repair:
Clutch replacement (manual), torque converter service (automatic), gear set replacement, seal and gasket replacement.
Brake Service:
Brake pad/shoe replacement, rotor/drum resurfacing or replacement, caliper overhaul, bleeding procedures.
Suspension And Steering Repair:
Component replacement (shocks, springs, ball joints, tie rods), alignment procedures.
Electrical Diagnostics:
Troubleshooting electrical faults using wiring diagrams, component testing, and symptom-based diagnostics.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues across all vehicle systems.
Torque Specifications:
Detailed torque values for all critical fasteners across various systems.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth:
Complete factory-level technical information, covering basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
Oil Change Interval:
Every 5,000 - 10,000 km or annually (consult manual for specific mileage and driving conditions).
Filter Replacement:
Oil filter at every oil change. Air filter and fuel filter as per manual's schedule (typically every 20,000 - 40,000 km).
Spark Plug Replacement:
Typically every 20,000 - 40,000 km, depending on plug type (consult manual).
Transmission Fluid Change:
Manual: Every 40,000 - 60,000 km. Automatic: Every 50,000 - 80,000 km (or as specified in the manual).
Brake Fluid Change:
Every 2 years, regardless of mileage, to prevent moisture absorption.
Engine Oil Spec:
Refer to manual for specific Mercedes-Benz approval numbers (e.g., MB-Approval 228.1 or 228.3 for diesel, 229.1 for gasoline, though 10W-40 SG is a common alternative). Manual will specify the correct type.
Coolant Spec:
Glysantin G05 (silicate-free) or equivalent, mixed 50/50 with distilled water. Consult manual for exact type and MB approval.
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid (consult manual for correct specification).
Brake Fluid:
DOT 3 or DOT 4 (consult manual for specific requirement).
Common Wear Items:
Bushings (suspension, body mounts), exhaust system, K-Jetronic fuel distributor, fuel pumps, ignition components, heater control valves.
Corrosion Prone Areas:
Wheel arches, rocker panels, tailgate lower edge, frame outriggers (especially in rust-belt regions). Manual will detail inspection points.