Market Segment:
High-performance executive sedan, often referred to as a 'sleeper' due to its understated appearance
Target Audience:
Enthusiast owners, independent repair shops, Mercedes-Benz specialists
Key Competitors:
BMW M5 (E34), Audi S4 (B3/B4)
Unique Selling Points:
Collaboration with Porsche for manufacturing, hand-built feel, exceptional build quality, powerful V8 engine in a refined sedan package
Manual Advantage:
Official licensing ensures accuracy and completeness, crucial for maintaining the integrity of this complex vehicle
Engine Mechanical:
Engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, lubrication system, cooling system, fuel delivery (Bosch KE-Jetronic), air intake system
Engine Electrical:
Ignition system, engine control unit (ECU), sensors, actuators, starting system, charging system
Transmission:
4-speed automatic transmission (722.360), torque converter, hydraulic control, transmission fluid, electronic control
Drivetrain:
Driveshafts, differential, rear axle assembly
Suspension:
Front suspension (independent, McPherson strut), rear suspension (independent, multi-link), springs, shock absorbers, anti-roll bars
Steering:
Power steering system, steering gear, steering column
Brakes:
Front and rear disc brakes, anti-lock braking system (ABS), brake system hydraulics, parking brake
Electrical System:
Battery, alternator, starter, lighting, wiring diagrams, fuses, relays, body electricals
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant, components, operation
Body And Chassis:
Body structure, exterior panels, interior trim, doors, windows, sunroof
Diagnostics:
On-board diagnostics (OBD-I), fault codes, troubleshooting procedures
Maintenance Tasks:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement
Repair Procedures:
Engine component overhaul (e.g., cylinder head gasket replacement, piston ring replacement), transmission service and repair, brake caliper and rotor replacement, suspension component replacement, steering system repair
Troubleshooting:
Systematic diagnostic steps for common and uncommon issues across all major vehicle systems
Diagnostic Procedures:
Interpreting fault codes, using diagnostic tools, checking sensor data
Depth:
In-depth, professional-level repair and diagnostic information suitable for dealership technicians and advanced DIY enthusiasts
Detail Level:
Includes detailed exploded views, torque specifications, and step-by-step instructions for complex procedures
Engine Type:
V8, naturally aspirated
Displacement:
5.0 Liters (4973 cc)
Bore X Stroke:
96.5 mm x 85.0 mm
Compression Ratio:
10.0:1
Valvetrain:
SOHC, 4 valves per cylinder (24 valves total)
Horsepower:
322 hp @ 5700 rpm
Torque:
354 lb-ft @ 3800 rpm
0-60 Mph:
6.0 seconds (approx.)
Fuel Delivery:
Bosch KE-Jetronic (CIS-E) electronic fuel injection with air flow sensor
Fuel Type:
Premium Unleaded Gasoline (91+ octane)
Engine Oil Type:
API SG, ACEA A2 or MB Approval 229.1 (e.g., Mobil 1 15W-50, Castrol SLX 0W-30)
Engine Oil Capacity:
8.5 Liters (9.0 US quarts) with filter change
Coolant Type:
MB Approved Antifreeze/Coolant (e.g., Mercedes-Benz Concentrate PN 000 989 08 25, mixed 50/50 with distilled water)
Transmission Type:
4-speed automatic
Transmission Model:
722.360
Optional Transmission:
None (exclusively automatic)
Transmission Features:
Lock-up torque converter, electronically controlled shifts, sport/comfort modes
Transmission Fluid Type:
MB Approval 236.1 or 236.2 (e.g., Mercedes-Benz Transmission Fluid PN 000 989 88 03)
Transmission Fluid Capacity:
Approximately 8.0 Liters (8.5 US quarts) for a complete drain and fill
Historical Safety Ratings:
NHTSA and IIHS data for this era is limited and often not directly comparable to modern standards. However, Mercedes-Benz vehicles of this period were renowned for robust construction and advanced safety features.
Active Safety:
Anti-lock Braking System (ABS), ASR (Acceleration Slip Regulation) available on some later models or as an option
Passive Safety:
Reinforced chassis and body structure, crumple zones, dual front airbags, seatbelt pretensioners, energy-absorbing steering column
Audio System:
Factory premium sound system (e.g., Becker Grand Prix or similar), with options for CD changer integration.
Driver Assistance Features:
Cruise control, power-adjustable steering column with memory function.
Connectivity Features:
Basic connectivity for the era, primarily focused on audio and climate control. No integrated Bluetooth or navigation systems from the factory.
Oil Change Interval:
Every 7,500-10,000 miles (12,000-16,000 km) or 12 months, whichever comes first, depending on driving conditions. Consult manual for specific conditions.
Transmission Fluid Service:
Recommended every 30,000 miles (48,000 km) or 24 months. Fluid and filter change is critical for longevity.
Coolant Flush:
Every 30,000 miles (48,000 km) or 24 months.
Spark Plug Replacement:
Every 50,000-60,000 miles (80,000-96,000 km).
Drive Belt Inspection:
Inspect every 15,000 miles (24,000 km), replace as needed or every 60,000 miles (96,000 km).
Common Wear Items:
Headliner sagging, window regulator failures, fuel distributor O-ring leaks, MAF sensor issues (though less common on KE-Jetronic), radiator leaks, differential mounts.
Maintenance Challenges:
The complexity of the M119 engine and its integrated systems can make repairs labor-intensive and costly if not performed by experienced technicians. Availability of some specialized parts can also be a factor.
Mercedes Benz Heritage:
Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, and safety, dating back to the invention of the automobile.
W124 Platform:
The 500E is part of the W124 E-Class generation, known for its exceptional build quality, durability, and driving dynamics. It represented a significant evolution in executive sedan design.
Production Years:
1991-1994
Manufacturing Collaboration:
Assembled by Porsche in Stuttgart due to its complex drivetrain and wider bodywork requiring specialized manufacturing processes.
Production Volume:
Approximately 10,479 units worldwide, making it a relatively rare and sought-after model.