🏷️ Basic Information

Make:

Mercedes-Benz

Model:

E350

Year:

2011

Chassis Code:

W212 (Sedan), S212 (Wagon)

Engine Code:

M272 (3.5L V6) - *Note: Primarily M272 in US models, potential for M276 in later production or specific markets, but M272 is standard for 2011 E350 sedan.*

👋 Introduction

Positioning:

The 2011 Mercedes-Benz E350 (W212) represented a significant evolution in the executive sedan segment, offering a blend of luxury, performance, and advanced technology. It competed directly with rivals such as the BMW 5 Series, Audi A6, and Lexus GS.

Competitors:

Key competitors included the BMW 5 Series (F10 generation), Audi A6 (C7 generation), Lexus GS, and Cadillac CTS.

Features:

Distinctive styling, powerful yet refined V6 engine, luxurious interior, advanced safety features, and a comfortable ride, characteristic of the Mercedes-Benz E-Class lineage.

📋 Manual Details

Areas Covered:

Complete service, repair, diagnostics, and maintenance for all systems and components of the 2011 Mercedes-Benz E350.

Page Count:

Thousands of pages (typical for official Mercedes-Benz workshop manuals)

Manual Type:

Official Service and Repair Manual Software

Language:

English

Format:

Digital Software (likely PDF or proprietary executable)

📖 Manual Coverage

Engine:

Engine mechanical (M272 V6), lubrication, cooling, fuel, ignition, emissions control, engine management system (ME-SFI), cylinder head, crankshaft, pistons, camshafts, timing.

Transmission:

7G-TRONIC PLUS automatic transmission (722.9 series), transmission control module (TCU), torque converter, gear selection, hydraulic system, internal components, fluid specifications.

Drivetrain:

Driveshafts, differential, axles, AWD (4MATIC) system (if equipped).

Brakes:

Hydraulic brake system, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), SBC (Sensotronic Brake Control - *Note: SBC was phased out before 2011, standard hydraulic ABS/ESP applies*), brake pads, rotors, calipers, brake fluid specifications, parking brake.

Suspension:

Front suspension (McPherson strut), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, power steering system, wheel alignment specifications.

Steering:

Power steering system (hydraulic), steering column, steering rack, tie rods, steering angle sensor.

Electrical:

Battery, charging system (alternator, regulator), starter, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, CAN bus network, multiplexing.

Body And Trim:

Body panels, doors, hood, trunk, bumpers, glass, mirrors, interior trim, seats, upholstery, convertible roof system (if applicable to specific E-Class variants, though less common for E350 sedan).

Climate Control:

HVAC system, automatic climate control, A/C compressor, refrigerant, heater core, blower motor, actuators, sensors.

Airbags:

Airbag system (SRS), control module, sensors, occupant classification system, seatbelt pre-tensioners.

Driver Assistance:

Adaptive Cruise Control (DISTRONIC PLUS), Lane Keeping Assist, Blind Spot Assist, Parking Assist (if equipped).

Maintenance:

Oil change intervals and procedures, filter replacements (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush, transmission fluid service, differential fluid service.

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) and their meanings, procedures for using diagnostic tools (e.g., XENTRY/DAS), circuit testing, component testing.

Repair:

Step-by-step repair procedures for all major components and systems, including engine disassembly/reassembly, transmission overhaul, brake component replacement, suspension work, electrical component repair/replacement, body panel repair.

Installation:

Procedures for installing new or replacement parts, including torque specifications and alignment procedures.

Specifications:

Torque specifications for all critical fasteners, fluid capacities and types, electrical system specifications, component dimensions, alignment data.

Depth:

Comprehensive, covering basic maintenance to advanced diagnostics and full mechanical rebuilds. Includes detailed electrical schematics and troubleshooting trees.

📊 Manual Specifications

File Format:

Likely PDF, proprietary software application, or a combination. Searchable text is a key feature for software.

Print Quality:

High-resolution digital images, clear diagrams, and legible text suitable for printing specific sections.

Binding Type:

N/A (Software format)

Paper Type:

N/A (Software format)

⚙️ Engine Specifications

Engine Type:

V6, Naturally Aspirated

Displacement:

3.5 Liters (3498 cc)

Bore X Stroke:

92.9 mm x 88.3 mm

Compression Ratio:

11.7:1

Valvetrain:

DOHC, 4 valves per cylinder, variable valve timing (VVT)

Horsepower:

268 hp @ 6000 rpm

Torque:

258 lb-ft (350 Nm) @ 2400-5000 rpm

Injection Type:

Sequential Multi-Port Fuel Injection (MPI) - BOSCH

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

ECM Type:

ME-SFI 7.0

Coolant Type:

Mercedes-Benz approved coolant (e.g., G05 or G48 concentrate diluted 50/50 with distilled water)

Oil Type:

SAE 0W-40 or 5W-40 Synthetic Engine Oil (meeting MB-Approval 229.5 or 229.51)

Oil Capacity:

Approximately 8.5 quarts (8.0 liters) with filter change

🔧 Transmission

Transmission Type:

7-speed Automatic (7G-TRONIC PLUS)

Transmission Codes:

722.9

Optional Drivetrains:

4MATIC All-Wheel Drive (AWD)

Features:

Driver-selectable modes (Comfort, Sport), manual shifting via steering wheel paddles or selector lever.

Transmission Fluid Type:

MB Automatic Transmission Fluid (ATF) - MB-Approval 236.14 (e.g., Shell ATF 134, Fuchs Titan ATF 4134)

Transmission Fluid Capacity:

Approximately 9-10 quarts (8.5-9.5 liters) for a complete fill (dry fill).

📐 Dimensions

Wheelbase:

113.2 inches (2874 mm)

Overall Length:

191.7 inches (4869 mm)

Overall Width:

73.0 inches (1854 mm)

Overall Height:

57.7 inches (1466 mm)

Curb Weight:

Approx. 3800 - 4000 lbs (1724 - 1814 kg) depending on configuration (RWD/AWD, options)

Gross Vehicle Weight Rating:

Approx. 5000 - 5150 lbs (2268 - 2336 kg)

Trunk Capacity:

Approx. 15.9 cubic feet (450 liters)

Wheel Bolt Pattern:

5x112

Wheel Size Standard:

17-inch or 18-inch alloy wheels

Tire Size Standard:

235/45R17 or 235/40R18

🛡️ Safety Features

NHTSA Ratings:

Typically received 5-star ratings in various categories from NHTSA for front and side impacts during its model year.

IIHS Ratings:

Likely received 'Good' ratings in IIHS crash tests, potentially earning 'Top Safety Pick' designation.

Active Safety:

Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS), Brake Assist (BAS), Adaptive Brake Lights.

Optional Driver Assistance:

DISTRONIC PLUS (Adaptive Cruise Control), Blind Spot Assist (BAS), Lane Keeping Assist (LKA), PRE-SAFE® predictive occupant protection.

Passive Safety:

Advanced airbag system (front, side, curtain airbags), crumple zones, reinforced passenger cell, active head restraints.

💡 Technology Features

Infotainment System:

COMMAND APS (Cockpit Management and Navigation Experience) with high-resolution display, Bluetooth connectivity, CD/DVD player, USB interface, optional Harman Kardon surround sound system.

Navigation:

Integrated hard-drive-based navigation system with real-time traffic information.

Driver Assistance Features:

Standard features often included Parking Assist (front and rear sensors), rain-sensing wipers, automatic headlights. Optional packages added advanced systems like DISTRONIC PLUS, Blind Spot Assist, Lane Keeping Assist, and Active Bi-Xenon Headlights.

Connectivity Options:

Bluetooth hands-free calling, media playback, optional SiriusXM Satellite Radio, optional telematics services (e.g., Mercedes-Benz Emergency Call).

Comfort Technology:

Dual-zone or tri-zone automatic climate control, heated and ventilated front seats (optional), power-adjustable seats with memory function, ambient interior lighting.

🔧 Maintenance

Oil Change Interval:

Approximately every 10,000 miles (16,000 km) or 12 months, whichever comes first (based on flexible service schedule, confirmed by vehicle's ASSYST Plus system).

Transmission Service Interval:

Recommended every 60,000 - 80,000 miles (100,000 - 130,000 km) for fluid and filter change, or as indicated by the vehicle's service computer (ASSYST Plus).

Brake Fluid Change:

Typically every 2 years, regardless of mileage.

Engine Air Filter:

Inspect every 20,000 miles (32,000 km), replace as needed (often around 30,000-40,000 miles).

Cabin Air Filter:

Replace annually or every 10,000-15,000 miles (16,000-24,000 km).

Spark Plugs:

Replace typically around 60,000 - 100,000 miles (100,000 - 160,000 km) with iridium-tipped plugs (specific interval depends on plug type and driving conditions).

Coolant Capacity:

Approximately 9.5-10.5 quarts (9.0-10.0 liters)

Common Issues:

M272 V6 engine may experience intake manifold flap actuator failure, oil leaks from valve cover gaskets or oil cooler seals, and potential balance shaft sprocket wear (though less prevalent in later M272 versions). Transmission rough shifts or hesitation can sometimes be related to Mechatronic unit or valve body issues. Air suspension components (if equipped) can be a wear item.

📚 Vehicle History

Heritage:

Mercedes-Benz has a long-standing reputation for engineering excellence, safety, and luxury, dating back to the invention of the automobile by Karl Benz in 1886. The E-Class line has consistently been a cornerstone of the brand's offerings.

E Class Evolution:

The 2011 E350 belongs to the W212 generation of the E-Class, which succeeded the W211. This generation introduced a new design language, updated technology, and enhanced safety features compared to its predecessor.

Production Location:

Primarily manufactured at Mercedes-Benz plants in Germany (e.g., Sindelfingen) and potentially other global locations.

🏆 Awards & Recognition

Awards:

The W212 E-Class platform, including the E350, typically garnered positive reviews and awards for its design, safety, and luxury from automotive publications and organizations during its lifecycle.

Safety Awards:

Likely received 'Top Safety Pick' designations from the IIHS in the United States.