Class:
Full-size Luxury Sedan
Segment:
S-Class (W140 chassis)
Key Competitors:
BMW 7 Series (E32), Lexus LS 400 (XF10), Audi V8 Quattro
Design Philosophy:
Emphasis on luxury, comfort, safety, and advanced technology for its era
Powertrain Focus:
Powerful V8 engine, refined ride, and sophisticated features
Coverage Scope:
Complete factory service, repair, and workshop procedures
Estimated Pages:
Hundreds (exact count not specified but described as 'very detailed')
Type:
Service Repair Workshop Manual
Language:
English (presumed based on product description language)
Format:
PDF (Downloadable)
Engine:
Detailed diagnostics, repair, and overhaul of the M119 V8 engine
Transmission:
Service and repair of automatic transmission systems
Brakes:
Hydraulic and electronic braking system components, diagnostics, and repair
Suspension:
Front and rear suspension systems, shock absorbers, and linkages
Steering:
Power steering system components and repair
Electrical System:
Comprehensive coverage of the vehicle's electrical system, including wiring diagrams, component testing, and troubleshooting
Climate Control:
Air conditioning and heating system service and repair
Bodywork:
Body panel repair, adjustments, and trim component service
Interior:
Interior trim, upholstery, and accessory component service
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving faults
Repair Procedures:
Step-by-step instructions for component removal, repair, and installation
Major Overhaul:
Engine and transmission overhaul procedures
Diagnostic Charts:
Flowcharts and tables for diagnosing specific symptoms
Electrical Troubleshooting:
Fault finding for electrical circuits and components
Specifications Data:
Torque values, clearances, and critical measurements for all components
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds
Searchable:
Likely searchable text within the PDF (common for professional manuals)
Printability:
Printable (single page or entire manual)
Image Quality:
Detailed photos & diagrams (as per description)
Binding:
N/A (Digital PDF format)
Paper:
N/A (Digital PDF format)
Usage Rights:
Lifetime use on multiple devices, no expiry, no renewal fees
Operating Systems:
Windows and macOS compatible
Configuration:
4.2 Liter V8
Valvetrain:
SOHC (Single Overhead Camshaft), 32 valves (4 valves per cylinder)
Bore X Stroke:
92.0 mm x 79.0 mm
Horsepower:
275 hp @ 5700 rpm (approximate)
Torque:
295 lb-ft @ 3900 rpm (approximate)
Fuel Delivery:
Bosch KE-Jetronic Fuel Injection (K-Jetronic with electronic control)
Fuel Type:
Premium Unleaded Gasoline
Coolant Type:
Ethylene Glycol based coolant (e.g., MB spec 325.0 or equivalent)
Safety Features Era:
Designed to meet high safety standards of the early 1990s, including advanced crumple zones and robust chassis structure.
ABS:
Anti-lock Braking System (ABS) standard
Airbags:
Driver airbag standard
Seatbelts:
Pyrotechnic belt tensioners for front seats
Structural Integrity:
Reinforced body structure with extensive use of high-strength steel
Audio System:
Factory premium sound system, potentially with cassette player and tuner. Manual covers basic diagnostics and component replacement.
Cruise Control:
Standard electronic cruise control system.
Connectivity Features:
Primarily focused on vehicle systems, no modern smartphone connectivity; manual covers diagnostics for integrated systems like central locking and power seats.
Climate Control:
Automatic climate control with dual-zone capability
Oil Change Interval:
Typically every 7,500-10,000 miles (12,000-16,000 km) or 12 months, whichever comes first, depending on driving conditions (consult manual for specifics).
Major Service Interval:
Major services often at 30,000 mile intervals for spark plugs, filters, and inspection of various systems.
Engine Oil Type:
SAE 0W-40 or 5W-40 synthetic oil meeting MB 229.3 or 229.5 specifications (check manual for exact 1992 specification, likely a high-quality synthetic).
Engine Oil Capacity:
Approximately 8.0 liters (8.5 US quarts) with filter
Coolant Capacity:
Approximately 12.0 liters (12.7 US quarts)
Wiring Harness:
Biodegradable insulation on wiring harnesses can degrade, leading to electrical issues. Manual will detail troubleshooting.
Cooling System:
Plastic coolant pipes and reservoir can become brittle; thermostat housing leaks. Manual covers replacement.
Door Locks And Windows:
Vacuum-actuated door locks and power window regulators can be prone to failure. Manual provides diagnostic and repair steps.
Idle Control:
Issues with idle air control valve or associated vacuum lines can cause rough idle. Manual details testing and cleaning.
Brand Focus:
Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and durability since its inception.
Chassis Introduction:
The W140 chassis succeeded the W126 S-Class and represented a significant leap in size, technology, and luxury. Introduced for the 1991 model year.
Model Positioning:
The 400 SE was an entry-level model for the W140 range, positioned below the V8 500 SE and the V12 600 SE/SEL, but still offering substantial V8 power and luxury.
Production Years:
W140 S-Class produced from 1991 to 1998. The 400 SE variant was produced during this period.
