Segment:
Executive Mid-Size Sedan/Wagon
Target Audience:
Luxury vehicle buyers seeking comfort, performance, and advanced technology.
Key Competitors:
BMW 5 Series, Audi A6, Lexus GS, Jaguar S-Type.
Vehicle Highlights:
Renowned for build quality, advanced engineering, comfortable ride, sophisticated interior, and safety features.
Manual Value Proposition:
Provides dealership-level repair information, enabling accurate maintenance and repairs, thus preserving the vehicle's value and performance.
Engine Mechanical:
Engine assembly, cylinder head, valve train, pistons, crankshaft, lubrication system, cooling system, fuel delivery, intake and exhaust systems.
Engine Management:
Engine control unit (ECU), ignition system, fuel injection system, emission controls, sensors, actuators, diagnostic procedures.
Transmission Automatic:
722.6 (5-speed), 722.9 (7-speed) transmission removal, installation, overhaul, fluid service, electronic control module (TCM) diagnostics.
Transmission Manual:
Applicable to models equipped with manual transmission (less common on W211 E-Class but covered if applicable).
Drivetrain:
Driveshafts, CV joints, differential, axles, wheel bearings.
Suspension:
Front and rear suspension components, springs, shock absorbers/struts, control arms, ball joints, bushings, air suspension (AIRMATIC) systems.
Steering:
Power steering system, steering gear, steering column, tie rods, steering angle sensor.
Brakes:
Brake system components (calipers, rotors, pads), hydraulic system, ABS, ESP (Electronic Stability Program), SBC (Sensotronic Brake Control) if applicable, brake fluid specifications and bleeding procedures.
Electrical System:
12V battery system, charging system (alternator), starter motor, lighting (headlights, taillights, interior), wiring diagrams, fuses, relays.
Body Electrical:
Power windows, power locks, mirrors, seats, sunroof, remote keyless entry, central locking, interior electronics.
Climate Control:
HVAC system (heating, ventilation, air conditioning), refrigerant, compressor, evaporator, condenser, climate control module, cabin filter replacement.
Bodywork Interior:
Body panel removal and installation, interior trim panels, seats, dashboard, headliner, doors, hood, trunk lid.
Bodywork Exterior:
Bumpers, fenders, doors, hood, trunk, exterior trim, glass replacement.
Diagnostics:
OBD-II diagnostics, diagnostic trouble codes (DTCs), troubleshooting procedures for various systems, Mercedes-Benz specific diagnostic tools (e.g., STAR Diagnosis concepts).
Maintenance Procedures:
Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, fluid checks and top-offs, brake pad and rotor replacement, tire rotation.
Repair Procedures:
Engine component overhaul, transmission service and repair, suspension and steering component replacement, brake system repair, electrical component diagnosis and replacement, body panel repair and replacement.
Troubleshooting Guides:
Systematic diagnostic steps for common and uncommon problems, symptom-based troubleshooting.
Technical Specifications:
Torque specifications, clearances, fluid capacities, electrical specifications, diagnostic data.
Depth Of Coverage:
Comprehensive: Covers routine maintenance, diagnostics, component-level repair, and complete system overhauls. Suitable for dealership technicians and advanced DIY enthusiasts.
Oil Change Interval:
Variable Service Interval (VSI) system, typically 10,000-13,000 miles (16,000-20,000 km) or 1 year, whichever comes first, depending on driving conditions and oil quality.
Major Service Schedule:
Refer to the manual for specific mileage/time intervals for spark plug replacement (e.g., ~60,000 miles), transmission service, coolant flush, brake fluid replacement (e.g., every 2 years), etc.
Engine Oil Specification:
MB 229.5 / MB 229.51 (e.g., Mobil 1 0W-40, Castrol Edge 5W-40).
Engine Oil Capacity E350:
Approx. 8.5 US quarts (8.0 Liters)
Coolant Specification:
MB 325.0 (Glycol-based antifreeze, blue color)
Brake Fluid Specification:
DOT 4 Plus (e.g., MB 331.0)
Common Problems W211:
EGR valve failure (diesel models), Mass Air Flow (MAF) sensor issues, ignition coil failures, O2 sensor failures, balance shaft gear wear (M272 engine), ABS/ESP module issues, power seat module failures, headliner sagging, rust in wheel wells.
Sbc System Considerations:
Sensotronic Brake Control (SBC) system on some models requires specialized tools and procedures for service; manual will detail these.