Vehicle Segment:
Full-Size Luxury Sedan
Target Audience:
Affluent Consumers, Executive Transport, High-End Automotive Enthusiasts
Primary Competitors:
BMW 7 Series, Audi A8, Lexus LS, Porsche Panamera, Jaguar XJ
Luxury Appointments:
Premium Materials, Advanced Comfort Features, Sophisticated Design
Technological Advancements:
State-of-the-Art Infotainment, Advanced Driver Assistance Systems (ADAS), Innovative Powertrains
Authenticity:
Factory-Issued Data, Exact Information Used by Dealerships
Comprehensiveness:
Covers all repairs A-Z, not generic information
Coverage Type:
Comprehensive A-Z Service and Repair
Model Variants Covered:
All W221 S-Class models including S350, S400 Hybrid, S550, S600, S63 AMG, S65 AMG
Estimated Page Count:
2000+
Type:
Factory Service Manual / Workshop Manual
Powertrain:
Engine, Transmission (Automatic), Drivetrain (RWD/4MATIC)
Chassis:
Suspension (AIRMATIC, ABC), Steering, Brakes (ABS, ESP)
Electrical:
Body Control Modules (BCM), Gateway, CAN Bus, Lighting, Audio, Navigation, Climate Control, Power Accessories
Body And Trim:
Exterior Panels, Interior Trim, Seats, Sunroof, Doors, Hood, Trunk
Safety Systems:
Airbags, Seatbelts, Pre-Safe System, Parking Assist
Maintenance:
Scheduled Service Intervals, Fluid Changes, Filter Replacements, Inspections
Diagnostics:
Troubleshooting Charts, DTC Code Interpretation, Component Testing
Repair And Overhaul:
Engine Rebuild, Transmission Repair, Suspension Component Replacement, Brake System Overhaul
Calibration And Programming:
Module Replacement/Programming, Sensor Calibration (e.g., Steering Angle Sensor)
Depth:
Full Technical Specifications, Wiring Diagrams, Component Location, Step-by-Step Repair Procedures
Quality:
High-Resolution, Searchable Text, Bookmarked Chapters
Scalability:
Scalable for Printing, Clear Diagrams
Format Type:
Digital PDF (No Physical Binding)
Digital Medium:
Adobe Acrobat Reader Compatible
Engine Variants:
M272 (3.5L V6), M273 (5.5L V8), M275 (5.5L Bi-Turbo V12), M276 (3.5L V6 Bi-Turbo - some late models), Hybrid Powertrain (M272 + electric motor)
S550 Engine:
5.5L V8 (M273), approx. 382 hp @ 6000 rpm, 391 lb-ft @ 2800-4750 rpm
S600 Engine:
5.5L Bi-Turbo V12 (M275), approx. 510 hp @ 5000 rpm, 612 lb-ft @ 1800-3500 rpm
S63 Amg Engine:
5.5L Bi-Turbo V8 (M157), approx. 536 hp @ 5500 rpm, 590 lb-ft @ 2000-4500 rpm
Injection Type:
Sequential Multi-Port Fuel Injection (MPI) / Direct Injection (DI for some later engines)
Coolant Type:
MB Approved G48 (Blue) Antifreeze / Coolant Concentrate
Oil Specification:
MB-Approval 229.5 or 229.51 (e.g., Mobil 1 ESP 0W-40, Pennzoil Platinum Euro 5W-40)
ECU System:
ME 9.7, MED 17.7.1, SIM271DE (specific to engine variant)
Transmission Type:
7-speed Automatic (7G-TRONIC PLUS for many models)
All Wheel Drive:
4MATIC Permanent All-Wheel Drive available on select models
Transmission Control:
Electronic Control Module (TCM)
Transmission Fluid Type:
MB-Approval 236.14 (e.g., Pentosin ATF 134)
IIHS Top Safety Pick:
Likely Top Safety Pick or equivalent for its model year (confirm specific year/testing)
NHTSA Ratings:
Likely 5-Star overall safety rating (confirm specific year/testing)
Stability Control:
Electronic Stability Program (ESP) with Crosswind Assist
Braking System:
Anti-lock Braking System (ABS), Brake Assist System (BAS), Electronic Brake-force Distribution (EBD)
Driver Assistance:
PRE-SAFE® system (predictive occupant protection), DISTRONIC PLUS (adaptive cruise control), LANE KEEPING ASSIST, BLIND SPOT ASSIST
Airbags:
Frontal airbags (driver/passenger), side airbags, window curtain airbags, knee airbags (driver)
Seatbelts:
3-point inertia-reel seat belts with Belt Tensioners and Force Limiters
System Name:
COMAND APS (Cockpit Management and Navigation)
Features:
Navigation, Radio, CD/DVD Changer, Bluetooth, AUX Input, HDD for Music Register
Adaptive Cruise Control:
DISTRONIC PLUS (available)
Lane Management:
LANE KEEPING ASSIST, BLIND SPOT ASSIST (available)
Night Vision:
Night View Assist PLUS (available)
Integration:
Mercedes-Benz mbrace® system (for connected services and remote access, depending on subscription and region)
Climate Control:
THERMATIC or THERMOTRONIC Automatic Climate Control (multi-zone)
Seating:
Multi-contour front seats with massage and climate control, heated and ventilated rear seats (optional)
Major Service A:
Every 10,000 miles or 12 months (synthetic oil service)
Major Service B:
Every 20,000 miles or 24 months (includes brake fluid change, cabin filter, etc.)
Transmission Service:
Every 60,000 - 80,000 miles (fluid and filter replacement)
Brake Fluid Type:
DOT 4 Plus (MB-Approval 331.0)
Coolant Capacity Liters:
Approximately 9.5 - 11.0 (Varies by engine)
Power Steering Fluid:
MB-Approval 236.3 (e.g., Pentosin CHF 11 S)
Air Suspension Components:
Failure of air springs (struts), air compressor leaks, valve block issues
Intake Manifold Flaps:
Sticking or breaking intake manifold runner flaps (M272/M273 engines)
Camshaft Adjusters:
Failure of camshaft adjusters (variable valve timing) leading to rough idle or check engine lights
Oil Cooler Seals:
Leaking oil cooler seals (on V8/V12 engines) leading to coolant contamination
Parking Brake Actuator:
Failure of the electronic parking brake actuator
Brand Legacy:
Mercedes-Benz has a long-standing reputation for luxury, engineering, and safety dating back to the late 19th century.
W221 Generation:
The W221 S-Class generation was introduced in 2005, replacing the W220. It represented a significant step forward in design, technology, and safety features.
2010 Facelift:
The 2010 model year saw a significant facelift for the W221, introducing updated styling (LED daytime running lights, revised bumpers), new powertrains, and enhanced technology like DISTRONIC PLUS and LANE KEEPING ASSIST.
Production Period:
2005-2013
Manufacturing Locations:
Sindelfingen, Germany
Safety Awards:
Consistently awarded high safety ratings from IIHS and NHTSA for its class and era.
Automotive Journalism Accolades:
Often praised by automotive journalists for its refinement, comfort, and technological sophistication.
