Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Exhaust, Fuel System, Cooling System, Electrical System, Climate Control, Body, Chassis, Diagnostics, Powertrain Control Modules (PCMs), Body Control Modules (BCMs), Infotainment, Safety Systems
Drivetrain Systems:
Rear-wheel drive, differentials (front/rear), drive shafts, CV joints.
Suspension Systems:
Active Body Control (ABC) system: hydraulic struts, pumps, accumulators, hydraulic lines, control modules; multi-link front and rear suspension components, anti-roll bars.
Steering Systems:
Hydraulic power steering, steering column, steering gear, steering angle sensor.
Brake Systems:
Front and rear disc brakes, ventilated rotors, AMG high-performance brake calipers, ABS, Brake Assist, Electronic Brake-force Distribution (EBD).
Electrical Systems:
12V electrical system, alternator, starter motor, batteries (main and auxiliary), fuse boxes, wiring harnesses, lighting systems (headlights, taillights, interior), power windows, seats, mirrors, sunroof, CAN bus communication network.
Body And Chassis:
Body shell construction, doors, hood, trunk lid, bumpers, glass, interior trim, sound deadening, corrosion protection.
Procedures Included:
Routine Maintenance, Scheduled Servicing, Advanced Diagnostics, Component Testing, Component Removal and Installation, Reassembly Procedures, Torque Specifications, Wiring Diagrams, Troubleshooting Guides, Exploded Views, Component Identification, Software Updates and Diagnostics
Diagnostic Procedures:
Use of STAR Diagnosis (XENTRY/DAS) system, reading and clearing diagnostic trouble codes (DTCs), component activation tests, live data stream analysis, sensor signal tracing, troubleshooting flowcharts.
Engine Repair Procedures:
Engine mechanical component removal/installation (pistons, connecting rods, crankshaft, camshafts, valves, cylinder heads), timing chain service, turbocharger overhaul, fuel injector testing and replacement, emissions system diagnosis and repair.
Transmission Repair Procedures:
Transmission fluid and filter replacement, valve body diagnosis and repair, torque converter replacement, transmission control module diagnostics, transmission removal and installation.
Suspension And Steering Repair:
ABC system component replacement (struts, accumulators, pumps), fluid flushing and bleeding, alignment procedures, power steering pump replacement, steering rack diagnosis and repair.
Brake System Repair:
Brake pad and rotor replacement, brake caliper service, brake fluid flushing, ABS sensor replacement, parking brake adjustment.
Electrical Troubleshooting:
Interpretation of wiring diagrams, testing electrical circuits, diagnosing faults in ECUs, sensor and actuator testing, headlamp aiming and adjustment.
Technical Depth:
Comprehensive: From basic fluid changes and inspections to complete engine and transmission overhauls, complex electrical system troubleshooting, and advanced diagnostic procedures using Mercedes-Benz proprietary tools (e.g., STAR Diagnosis).
Engine Rebuild Data:
Detailed specifications for cylinder bore honing, piston ring gap, bearing clearances, valve seating, and cylinder head torquing sequences for complete engine overhauls.
Torque Specifications:
Comprehensive list of all torque specifications for engine, transmission, chassis, suspension, and body components.
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems, including power distribution, component location, and signal flow.
Special Tools Required:
Lists and descriptions of specialized tools required for specific diagnostic and repair procedures, including Mercedes-Benz proprietary tools.
Infotainment System:
COMAND APS (Cockpit Management and Navigation System)
Infotainment Features:
6-disc CD/DVD changer, HDD navigation, Bluetooth connectivity, SD card slot, voice control, harman/kardon LOGIC 7 surround sound system.
Driver Assistance Systems:
DISTRONIC PLUS (Adaptive Cruise Control), PARKTRONIC, Active Lane Keeping Assist, Active Blind Spot Assist, ATTENTION ASSIST.
Connectivity Options:
Bluetooth for hands-free calling and audio streaming, optional Mercedes-Benz USB interface for iPod/MP3 players.
Other Technology:
Keyless-Go, ambient lighting, dynamic multi-contour front seats with massage function, heated and ventilated front seats, dual-zone automatic climate control, power rear sunshade, bi-xenon headlamps with active curve illumination.
Service Interval Oil Change:
Every 10,000 miles or 12 months, whichever comes first (confirm with manual for specific conditions).
Service Interval Major Service:
Typically around 30,000-40,000 miles, including spark plugs, transmission service, differential fluid, brake fluid flush, and Active Body Control (ABC) fluid replacement. Refer to manual for specific 'B' service intervals.
Engine Oil Specification:
MB 229.5 (e.g., Mobil 1 0W-40 Synthetic)
Transmission Fluid Specification:
MB 236.14 (e.g., Shell ATF 134)
Coolant Specification:
MB 325.0 (Antifreeze/Coolant)
Brake Fluid Specification:
DOT 4 Plus (MB Spec 331.0)
Abc Fluid Specification:
Pentosin CHF 11S (or equivalent MB spec 343.0)
Known Issues:
ABC suspension hydraulic leaks, ignition coil failures, turbocharger wastegate issues, potential transmission control module issues, interior electronics glitches, catalytic converter failures (due to high heat and V12 design).
Common Parts To Replace:
Spark Plugs (NGK Iridium), Air Filters, Cabin Air Filters, Serpentine Belt, Ignition Coils, ABC Hydraulic Lines, Thermostat, Water Pump.