Product Name:
Mercedes Benz S-Class W221 Complete Workshop Service Repair Manual 2006-2014
Model Generation:
Fifth Generation (W221)
Production Years Covered:
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
Segment:
Full-size Luxury Sedan
Competitors:
BMW 7 Series, Audi A8, Lexus LS, Porsche Panamera
Design Philosophy:
Elegance, advanced technology, comfort, safety
Technological Advancements:
PRE-SAFE®, DISTRONIC PLUS®, AIRMATIC®, COMAND APS
Engine:
All gasoline and diesel variants including M272, M273, M275, M156, OM642, OM645, etc.
Transmission:
7-speed automatic (7G-TRONIC), 9-speed automatic (9G-TRONIC applicable to later years)
Drivetrain:
Rear-wheel drive (RWD), All-wheel drive (4MATIC)
Suspension:
AIRMATIC (Adaptive Damping System), ABC (Active Body Control)
Brakes:
ABS, ESP, SBC (Sensotronic Brake Control where applicable), disc brake systems, parking brake
Steering:
Power steering system, steering column adjustments
Electrical System:
12V battery, alternator, starter, lighting systems, fuse box diagrams, wiring schematics
Climate Control:
Automatic climate control, A/C system, heating system, ventilation
Comfort Systems:
Power seats, windows, mirrors, sunroof, keyless entry, trunk opener
Infotainment And Navigation:
COMAND system, audio components, navigation unit, telematics
Body And Chassis:
Body repair, structural components, doors, panels, bumpers, glass
Safety Systems:
Airbags, seatbelts, PRE-SAFE system, ABS, ESP
Routine Maintenance:
Oil and filter changes, fluid checks, spark plug replacement, filter replacements
Troubleshooting:
Diagnostic procedures, fault code interpretation, common problem solutions
Repair Procedures:
Component removal and installation, engine rebuilds, transmission overhauls, suspension repairs
Diagnostic Tools:
Information on using Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis)
Electrical Diagnostics:
Detailed wiring diagrams, troubleshooting electrical faults
Depth Of Coverage:
Comprehensive: From basic maintenance to complete engine and transmission rebuilds
Diagnostic Level:
Advanced diagnostics, including electronic control unit (ECU) functions
Repair Detail:
Step-by-step repair instructions with torque specifications, special tool requirements, and clearances
Engine Codes Covered:
M272 (3.5L V6), M273 (5.5L V8), M156 (6.2L V8 AMG), OM642 (3.0L V6 Diesel), OM645 (3.0L V6 Diesel), M275 (5.5L Bi-Turbo V12)
Power Output Range:
228 hp (S350 CDI) to 518 hp (S63 AMG)
Torque Output Range:
398 lb-ft (S350 CDI) to 738 lb-ft (S65 AMG - electronically limited)
Fuel Injection:
Direct Injection (GDI) and Port Fuel Injection (PFI) depending on engine variant
Fuel Type:
Premium Unleaded Gasoline, Diesel (for CDI variants)
NHTSA Rating:
Likely received high ratings (e.g., 5-star) in government crash tests, consistent with Mercedes-Benz safety standards.
IIHS Rating:
Likely received 'Good' ratings in IIHS crashworthiness tests.
Active Safety Systems:
ABS, EBD, Brake Assist (BAS), ESP (Electronic Stability Program), PRE-SAFE® system, DISTRONIC PLUS® (Adaptive Cruise Control), Lane Keeping Assist, Blind Spot Assist
Passive Safety Features:
Multiple airbags (front, side, curtain, knee), active head restraints, crumple zones, reinforced safety cell
Infotainment System:
COMAND APS (Cockpit Management and Navigation) with integrated audio, navigation, and telematics.
Display Type:
Central LCD display screen
Driver Assistance Suite:
Distronic Plus (Adaptive Cruise Control), Pre-Safe Brake, Lane Keeping Assist, Blind Spot Assist, Parking Assist (PARKTRONIC)
Connectivity Features:
Bluetooth connectivity for hands-free calling and audio streaming, optional SiriusXM satellite radio, Tele Aid emergency calling system.
Oil Change Interval:
Flexible Service System (FSS) typically around 10,000 miles or 12 months, whichever comes first (may vary by model year and driving conditions).
Major Service Interval:
Major services, including spark plug replacement and transmission fluid service, typically recommended around 60,000 to 100,000 miles.
Engine Oil Specification:
MB 229.5 (Synthetic) or MB 229.51 (Low SAPS Synthetic) for gasoline engines, MB 229.52 for diesel engines. Viscosity varies (e.g., 0W-40, 5W-40).
Coolant Specification:
MB 325.0 or MB 326.0 (Glycol-based coolant)
Common Issues Engine:
Timing chain wear on M272/M273 V6/V8 engines, balance shaft issues (M272), ignition coil failures.
Common Issues Suspension:
AIRMATIC air suspension leaks (air springs, pump, lines), ABC hydraulic fluid leaks, control arm bushings.
Common Issues Electrical:
Water ingress into electronics modules (e.g., SAM modules), faulty door lock actuators, COMAND system glitches.
Common Issues Brakes:
SBC system failures (on earlier models), premature brake pad and rotor wear due to vehicle weight.
