🏷️ Basic Information Identification Make: Mercedes-Benz Model: 400 SEL Year: 1993 Codes Chassis Code: W140 👋 Introduction Market Position Segment: Full-size Luxury Sedan Positioning: Flagship luxury sedan known for its advanced technology, comfort, and build quality. Competitive Analysis Competitors: BMW 7 Series, Audi V8, Lexus LS 400, Jaguar XJ. Key Features Vehicle Features: Spacious interior, powerful V8 engine, advanced suspension systems (ADS, ASD, 4MATIC), high-quality materials, sophisticated styling. Manual Value Confidence Building: Enables owners to perform repairs and maintenance with 100% confidence. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Overhaul, Restoration Diagnostic Coverage: All diagnostic and repair procedures Manual Type Type: Factory Service Manual Language Language: English Format File Format: PDF / WINRAR Compatibility: Win95/98/ME/XP/vista/7/8/Linux/MAC, iOS, Android Delivery Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Engine overhaul, valve clearance adjustment, oil/filter changes, fuel system, cooling system, intake/exhaust manifolds, spark plugs, oxygen sensor Transmission: Manual transmission oil change, automatic transmission fluid/filter change, clutch system inspection/fluid correction, transfer case fluid change Drivetrain: Front axle oil level, ball joint inspection, rear axle oil change/level, drive shaft flexible coupling Suspension: Suspension and body structure inspection, level control (ADS, ASD, 4MATIC), self-leveling suspension inspection Brakes: Brake fluid level, brake lines, brake pads/discs, parking brake adjustment, brake fluid replacement, brake test Steering: Power steering fluid, steering play, steering bolt retightening Electrical: Wiring schematics, warning/indicator lamps Body And Chassis: Water leakage/corrosion inspection, wheel inspection/tightening, door hinges/locks lubrication, hydraulic top fluid, sunroof rails, soft top locking tabs, hood lubrication, noise encapsulation panels, paint damage inspection HVAC: AC refrigerant charge, dust filter replacement, active charcoal filter replacement, recirculating air filter replacement Fuel System: Fuel filter replacement, fuel prefilter replacement, fuel system condition check Procedures Included Maintenance: Oil and filter change, valve clearance adjustment, air filter replacement, V-belt inspection, spark plug replacement, coolant level check, brake fluid replacement, tire pressure correction Repair: Engine component repair, fuel system repair, cooling system repair, transmission overhaul, brake system repair, suspension component replacement, electrical system troubleshooting Troubleshooting: Comprehensive troubleshooting for all covered systems Restoration: Procedures for refurbishing and restoring vehicle components Technical Depth Depth: Detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for repair, maintenance, and troubleshooting. Audience: Professional technicians and mechanics, DIY enthusiasts 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF content Print Quality Printability: Printable pages for easy workshop use Binding Type Binding: Digital Download (Not Applicable for Print) Paper Type Paper Type: Digital (Not Applicable for Print) ⚙️ Engine Specifications Primary Engine Engine Type: V8 SOHC Displacement: 4.2 Liters (4196 cc) Bore X Stroke: 86.0 mm x 90.0 mm Compression Ratio: 10.0:1 Performance Horsepower: Approx. 275 hp @ 5700 rpm (US Spec) Torque: Approx. 295 lb-ft @ 3900 rpm (US Spec) Fuel System Injection System: Bosch Motronic Fuel Injection Fuel Type: Premium Unleaded Gasoline Maintenance Valve Adjustment: Hydraulic lifters, typically does not require periodic adjustment unless issues arise. Spark Plugs: Specifications for correct type and gap provided in manual. Technical Details Engine Code: M119 E42 🔧 Transmission Standard Type: 4-speed Automatic (722.3 or 722.6 variants) Optional Type: Not applicable for 400 SEL model. Features Transmission Fluid Spec: Refer to manual for specific ATF (e.g., MB 236.6 or MB 236.7) Maintenance Fluid Change Interval: Recommended every 30,000 - 50,000 miles (refer to manual for exact interval). 📐 Dimensions Exterior Length: Approx. 5163 mm (203.3 in) Width: Approx. 1886 mm (74.3 in) Height: Approx. 1487 mm (58.5 in) Weights Curb Weight: Approx. 1880 - 1950 kg (4145 - 4300 lbs) Wheelbase: Approx. 3081 mm (121.3 in) 🛡️ Safety Features Ratings NHTSA Rating: Information not readily available for this specific year/model from common databases; manufacturer specifications provided within the manual. Active Features ABS: Standard Anti-lock Braking System (ABS) Asd: Optional Acceleration Skid Control (ASD) system available on some models. Passive Features Airbags: Driver's side airbag standard; passenger airbag optional in early W140 models. Seatbelts: Pre-tensioner seatbelts, height-adjustable. 💡 Technology Features Infotainment Audio System: Premium sound system, cassette player, optional CD changer. Analog radio tuner. Driver Assistance Traction Control: Optional Acceleration Skid Control (ASD). Suspension Control: Adaptive Damping System (ADS) and Self-Leveling Suspension (SLS) for enhanced ride comfort and handling. Connectivity Features: Limited by 1993 standards; features such as power adjustable steering column, power seats with memory, cruise control. 🔧 Maintenance Service Intervals Oil Change: Every 7,500 - 10,000 miles or annually. (Refer to manual for exact interval based on driving conditions). Transmission Service: Fluid and filter change typically recommended every 30,000 - 50,000 miles. Coolant Flush: Every 2-3 years or 30,000 miles. Fluid Specifications Engine Oil: Refer to manual for specific viscosity grade (e.g., Mobil 1 0W-40 or similar synthetic meeting MB 229.1/229.3 specifications for later revisions). Brake Fluid: DOT 3 or DOT 4 (refer to manual for exact specification). Power Steering Fluid: Pentosin CHF 11S or equivalent (refer to manual for exact specification). Coolant: MB...
Engine component repair, fuel system repair, cooling system repair, transmission overhaul, brake system repair, suspension component replacement, electrical system troubleshooting
Troubleshooting:
Comprehensive troubleshooting for all covered systems
Restoration:
Procedures for refurbishing and restoring vehicle components
Technical Depth
Depth:
Detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for repair, maintenance, and troubleshooting.
Audience:
Professional technicians and mechanics, DIY enthusiasts
📊 Manual Specifications
File Format
Quality:
High-resolution, searchable PDF content
Print Quality
Printability:
Printable pages for easy workshop use
Binding Type
Binding:
Digital Download (Not Applicable for Print)
Paper Type
Paper Type:
Digital (Not Applicable for Print)
⚙️ Engine Specifications
Primary Engine
Engine Type:
V8 SOHC
Displacement:
4.2 Liters (4196 cc)
Bore X Stroke:
86.0 mm x 90.0 mm
Compression Ratio:
10.0:1
Performance
Horsepower:
Approx. 275 hp @ 5700 rpm (US Spec)
Torque:
Approx. 295 lb-ft @ 3900 rpm (US Spec)
Fuel System
Injection System:
Bosch Motronic Fuel Injection
Fuel Type:
Premium Unleaded Gasoline
Maintenance
Valve Adjustment:
Hydraulic lifters, typically does not require periodic adjustment unless issues arise.
Spark Plugs:
Specifications for correct type and gap provided in manual.
Technical Details
Engine Code:
M119 E42
🔧 Transmission
Standard
Type:
4-speed Automatic (722.3 or 722.6 variants)
Optional
Type:
Not applicable for 400 SEL model.
Features
Transmission Fluid Spec:
Refer to manual for specific ATF (e.g., MB 236.6 or MB 236.7)
Maintenance
Fluid Change Interval:
Recommended every 30,000 - 50,000 miles (refer to manual for exact interval).
📐 Dimensions
Exterior
Length:
Approx. 5163 mm (203.3 in)
Width:
Approx. 1886 mm (74.3 in)
Height:
Approx. 1487 mm (58.5 in)
Weights
Curb Weight:
Approx. 1880 - 1950 kg (4145 - 4300 lbs)
Wheelbase:
Approx. 3081 mm (121.3 in)
🛡️ Safety Features
Ratings
NHTSA Rating:
Information not readily available for this specific year/model from common databases; manufacturer specifications provided within the manual.
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Asd:
Optional Acceleration Skid Control (ASD) system available on some models.
Passive Features
Airbags:
Driver's side airbag standard; passenger airbag optional in early W140 models.
Seatbelts:
Pre-tensioner seatbelts, height-adjustable.
💡 Technology Features
Infotainment
Audio System:
Premium sound system, cassette player, optional CD changer. Analog radio tuner.
Driver Assistance
Traction Control:
Optional Acceleration Skid Control (ASD).
Suspension Control:
Adaptive Damping System (ADS) and Self-Leveling Suspension (SLS) for enhanced ride comfort and handling.
Connectivity
Features:
Limited by 1993 standards; features such as power adjustable steering column, power seats with memory, cruise control.
🔧 Maintenance
Service Intervals
Oil Change:
Every 7,500 - 10,000 miles or annually. (Refer to manual for exact interval based on driving conditions).
Transmission Service:
Fluid and filter change typically recommended every 30,000 - 50,000 miles.
Coolant Flush:
Every 2-3 years or 30,000 miles.
Fluid Specifications
Engine Oil:
Refer to manual for specific viscosity grade (e.g., Mobil 1 0W-40 or similar synthetic meeting MB 229.1/229.3 specifications for later revisions).
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for exact specification).
Power Steering Fluid:
Pentosin CHF 11S or equivalent (refer to manual for exact specification).
Coolant:
MB 325.0 (Glysantin G05) or equivalent ethylene glycol based coolant with corrosion inhibitors.
Known Issues
Wiring Harness:
Degradation of insulation on wiring harnesses (particularly the EZL ignition module and ABS sensors) can be a common issue due to age.
Hydraulics:
Leaks in self-leveling suspension and ADS (Adaptive Damping System) hydraulic lines and accumulators are potential concerns.
Door Seals:
Water ingress can occur due to aging door seals and clogged drainage channels.
Climate Control:
Problems with the dual-zone climate control system, including blower motor issues or vacuum leaks, can arise.
📚 Vehicle History
Brand Heritage
Heritage:
Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and safety dating back to the late 19th century.
Model Evolution
W140 Introduction:
The W140 chassis was introduced in 1991 as the successor to the W126 S-Class, setting new benchmarks in automotive technology and luxury.
400 Sel Positioning:
The 400 SEL, powered by the M119 V8 engine, was positioned as a powerful and refined model within the W140 lineup.
Production
Production Period:
1991-1998 (W140 chassis)
🏆 Awards & Recognition
Recognitions
Awards:
The W140 S-Class generally received accolades for its engineering and comfort from automotive publications upon its release.