🏷️ Basic Information

Make:

Mercedes-Benz

Model:

E55 AMG

Year:

2004

Chassis Code:

W211

Engine Code:

M113.990

👋 Introduction

Positioning:

The 2004 Mercedes-Benz E55 AMG represented the pinnacle of performance luxury sedans in its segment, combining a potent handcrafted V8 engine with the refined comfort and advanced technology expected of a Mercedes-Benz E-Class.

Competitors:

Competed with high-performance executive sedans such as the BMW M5 (E60), Audi S6, and Cadillac CTS-V.

Performance Focus:

Hand-built AMG 5.4-liter supercharged V8 engine, significant horsepower and torque output for its era, performance-tuned suspension and braking systems.

Luxury Comfort:

Premium interior materials, advanced climate control, sophisticated infotainment system, spacious and comfortable cabin, AIRMATIC suspension for ride quality.

Technology:

SBC (Sensotronic Brake Control), COMAND navigation, optional driver assistance systems, advanced electronic control units (ECUs) for engine and chassis management.

📋 Manual Details

Coverage:

Comprehensive service, repair, diagnostic, and maintenance procedures for the 2004 Mercedes-Benz E55 AMG (W211).

Estimated Page Count:

1000+

Type:

Official Service and Repair Manual Software

Language:

English

Format:

Digital Software (likely searchable PDF or proprietary interactive format)

📖 Manual Coverage

Engine:

Supercharged 5.4L V8 (M113 E55 ML), Engine mechanical, lubrication, cooling, fuel, ignition, emissions control, engine management (ECU).

Transmission:

AMG SPEEDSHIFT 5-Speed Automatic Transmission (722.6, enhanced for AMG), Transmission operation, removal, installation, overhaul, fluid service, electronic control.

Drivetrain:

Rear-wheel drive, driveshafts, differentials, axle components, CV joints.

Brakes:

High-performance AMG braking system, ABS, ESP, SBC (Sensotronic Brake Control) operation and service, brake discs, pads, lines, hydraulic system, bleeding procedures.

Suspension:

AMG sports suspension, AIRMATIC DC (Dual Control) semi-active air suspension with adaptive damping, front and rear suspension components, struts, shocks, control arms, bushings, alignment specifications.

Steering:

Speed-sensitive hydraulic power steering, steering column, steering gear, power steering pump, fluid specifications.

Body And Chassis:

Body construction, exterior panels, doors, hood, trunk, glass, seals, interior trim, body hardware, rust prevention, chassis components.

Electrical:

12V electrical system, battery, alternator, starter, fuses, relays, wiring diagrams, lighting, power accessories, CAN bus communication, diagnostic connectors (OBD-II).

Climate Control:

Automatic climate control (THERMOTRONIC), HVAC system, refrigerant, A/C compressor, evaporator, condenser, heater core, climate control module.

Infotainment And Navigation:

COMAND APS (Cockpit Management and Navigation System), radio, CD player, navigation system, speaker system, telematics, antenna systems.

Safety And Restraint Systems:

Airbags (front, side, curtain), seatbelts, SRS system, pre-tensioners, crash sensors, ISOFIX child seat anchors.

Diagnostics:

On-board diagnostics (OBD-II), diagnostic trouble codes (DTCs), scan tool procedures, troubleshooting flowcharts, fault finding for all major systems.

Routine Maintenance:

Oil and filter changes, air filter replacement, cabin filter replacement, spark plug replacement, fluid level checks and top-offs (coolant, brake fluid, power steering fluid, transmission fluid).

Major Repairs:

Engine overhaul, transmission rebuild, cylinder head service, supercharger belt replacement, brake system overhaul, suspension component replacement, driveshaft and differential service.

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues across all vehicle systems, symptom-based troubleshooting guides.

Special Procedures:

SBC system bleeding and calibration, AIRMATIC system troubleshooting and component replacement, keyless-go system diagnostics, software updates and module programming.

Torque Specifications:

Detailed torque values for all fasteners, critical for engine, drivetrain, suspension, and brake components.

Wiring Diagrams:

Comprehensive and detailed electrical wiring diagrams for all vehicle circuits, including power distribution, grounds, and component connections.

Depth:

In-depth technical information suitable for professional technicians and experienced DIY enthusiasts, covering from basic maintenance to complete component overhauls and complex diagnostics.

📊 Manual Specifications

File Type:

Digital Software (likely PDF, e-manual, or interactive diagnostic software)

Printability:

Designed for digital viewing and searchability, can be printed for offline use. High-resolution diagrams and text.

Binding:

N/A (Software)

Paper Quality:

N/A (Software)

⚙️ Engine Specifications

Engine Type:

V8, Supercharged, SOHC

Engine Code:

M113.990

Displacement:

5.4 Liters (5439 cc)

Bore X Stroke:

97.0 mm x 92.0 mm

Compression Ratio:

8.5:1

Horsepower:

469 hp @ 6100 rpm

Torque:

516 lb-ft (700 Nm) @ 2650-4500 rpm

Redline:

6200 rpm

Fuel Delivery:

Sequential Multi-Point Fuel Injection (SFI)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Supercharger:

Lysholm Twin-Screw Supercharger with air-to-water intercooler

ECU Type:

Bosch Motronic MS 5.2

🔧 Transmission

Transmission Type:

AMG SPEEDSHIFT 5-Speed Automatic

Transmission Code:

722.6 (AMG enhanced)

Shift Modes:

Comfort, Sport, Manual (via steering wheel shift buttons or selector lever)

Torque Converter:

Lock-up torque converter

Fluid Type:

MB-Approval 236.12 or 236.14 Automatic Transmission Fluid

Capacity:

Approx. 8.0 - 9.0 Liters (check specific procedure)

📐 Dimensions

Length:

191.7 inches (4869 mm)

Width:

71.7 inches (1821 mm)

Height:

56.3 inches (1430 mm)

Wheelbase:

112.4 inches (2855 mm)

Curb Weight:

Approx. 3900 - 4050 lbs (1769 - 1837 kg)

Gross Vehicle Weight Rating:

Approx. 4900 lbs (2223 kg)

Trunk Volume:

Approx. 15.9 cubic feet (450 Liters)

🛡️ Safety Features

NHTSA Front Impact:

5-Star (Driver and Passenger)

IIHS Side Impact:

Good

Stability Control:

Electronic Stability Program (ESP), Traction Control System (ASR)

Braking System:

Sensotronic Brake Control (SBC), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BAS)

Airbags:

Dual front airbags, front side airbags, rear side airbags (optional), front and rear curtain airbags (optional)

Seatbelts:

Pre-tensioning front seatbelts with force limiters, three-point rear seatbelts

💡 Technology Features

Infotainment System:

COMAND APS (Cockpit Management and Navigation System) with CD changer, radio, navigation, and optional TV tuner.

Audio System:

Bose premium sound system (optional).

Cruise Control:

Distronic (optional) - adaptive cruise control.

Parking Assistance:

Parktronic (optional) - parking sensors.

Lighting:

Bi-xenon headlights with adaptive cornering illumination (optional).

Telematics:

Mercedes-Benz Tele Aid (optional) for emergency assistance.

Bluetooth:

Integrated Bluetooth hands-free system (optional).

🔧 Maintenance

Oil Change Interval:

Flexible Service System (ASSYST) - typically every 10,000 miles or 12 months, whichever comes first, but can vary based on driving conditions.

Major Service Interval:

Service B (typically around 20,000-30,000 miles) includes more comprehensive checks and replacements (e.g., brake fluid, cabin filter, spark plugs).

Engine Oil Type:

Mobil 1 0W-40 (MB-Approval 229.5)

Engine Oil Capacity:

Approx. 8.5 Liters (with filter)

Coolant Type:

Mercedes-Benz approved G48 (Antifreeze/Coolant) or equivalent

Brake Fluid Type:

DOT 4 PLUS (MB-Approval 331.0)

Power Steering Fluid:

MB-Approval 236.3 Hydraulic Fluid

Common Issue 1:

SBC (Sensotronic Brake Control) pump and accumulator failure: Can lead to reduced braking performance or complete loss of braking. Requires specialized diagnostic and replacement procedures.

Common Issue 2:

AIRMATIC suspension leaks (air springs, valve blocks, compressor): Can result in uneven ride height or a sagging suspension. Requires leak detection and component replacement.

Common Issue 3:

Ignition coil failure: Can cause misfires and rough running. Usually requires replacement of affected coils.

Common Issue 4:

Supercharger belt slippage or failure: Can impact engine power and acceleration. Belt and tensioner inspection are crucial.

Common Issue 5:

Oil leaks from valve covers or oil cooler seals: Common on higher mileage V8 engines. Requires gasket replacement.

Common Issue 6:

EGR (Exhaust Gas Recirculation) valve issues: Can lead to rough idle or poor performance. Cleaning or replacement may be necessary.

📚 Vehicle History

Manufacturer History:

Mercedes-Benz has a long-standing reputation for engineering excellence, luxury, safety, and performance, dating back to the invention of the automobile by Karl Benz in 1886.

E Class Heritage:

The E-Class lineage, dating back to the 1950s (Ponton, Fintail), has always represented Mercedes-Benz's mid-size executive sedan offering, evolving through distinct generations (W110, W114/W115, W123, W124, W210, W211).

E55 Amg Evolution:

The E55 AMG variant, introduced in earlier generations (W124, W210), became a performance benchmark by integrating AMG's specialized engineering with the E-Class platform. The W211 E55 AMG, launched for the 2003 model year, marked a significant leap with its supercharged V8 engine.

Production Years:

2003-2006 (for W211 E55 AMG)

Manufacturing Location:

Sindelfingen, Germany

🏆 Awards & Recognition

Performance Awards:

Consistently lauded by automotive journalists for its potent blend of supercar-like acceleration and executive luxury. Often cited as a benchmark for the 'super sedan' category.

Design Awards:

The W211 E-Class platform received positive reviews for its evolutionary design, balancing sportiness with elegance.

Reliability Perception:

While generally well-built, certain complex electronic systems (SBC, AIRMATIC) can present reliability challenges and are a focus of detailed attention in service manuals.