Segment:
Executive/Luxury Mid-size Sedan, Estate, Coupe, and Cabriolet
Competitors:
BMW 5 Series, Audi A6, Lexus GS, Volvo S80, Jaguar XF
Design Philosophy:
Elegant styling, comfortable ride, advanced technology, and powerful yet efficient powertrains.
Target Audience:
Professionals, executives, and individuals seeking a blend of luxury, performance, and sophistication.
Uniqueness:
Vehicle-specific information, not generic. Directly mirrors dealer technician resources.
Engine Systems:
Engine mechanicals, fuel injection, ignition, cooling, lubrication, emission control, turbocharging/supercharging (if applicable)
Transmission Systems:
Automatic transmission (7G-TRONIC PLUS, 9G-TRONIC), manual transmission (less common), transfer case (if 4MATIC), clutch, drive axles
Brake Systems:
Hydraulic system, ABS, ESP, SBC (if applicable on earlier models, less likely on 2015), parking brake (electric), brake pad/rotor replacement
Electrical Systems:
Battery, charging system, starting system, lighting, power windows, locks, mirrors, wipers, horns, wiring diagrams, fuses, relays
Suspension Steering:
Front and rear suspension components, shock absorbers, struts, springs, control arms, steering gear, power steering, alignment specifications
Body Chassis:
Body panels, doors, hood, trunk, bumpers, interior trim, chassis frame, corrosion protection
HVAC Systems:
Air conditioning, heating, ventilation, climate control, refrigerant handling
Infotainment Navigation:
Audio systems, navigation, COMAND, instrument cluster, driver displays
Safety Systems:
Airbags, seatbelts, pre-tensioners, advanced driver assistance systems (ADAS) components
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-ups, tire rotations, brake inspections
Repair Procedures:
Component removal and installation, engine rebuild, transmission overhaul, suspension component replacement, electrical component repair, bodywork repairs
Troubleshooting:
Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides
Diagnostic Procedures:
On-Board Diagnostics (OBD-II), Mercedes-specific diagnostic protocols, testing procedures for various sensors and actuators
Special Tools:
Identification and usage of specialized tools required for specific repair procedures
Depth Of Coverage:
Comprehensive: from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Engine Options 2015:
Various inline-4, V6, and V8 gasoline and diesel engines. Common: E350 (3.5L V6), E400 (3.0L V6 BiTurbo), E550 (4.7L V8 BiTurbo), E250 Bluetec (2.1L I4 Diesel).
Horsepower Range:
Approx. 200 hp (E250 Diesel) to 402 hp (E550)
Torque Range:
Approx. 369 lb-ft (E250 Diesel) to 443 lb-ft (E550)
Injection Type:
Direct Injection (DI) and BlueDIRECT (for gasoline engines), Common Rail Direct Injection (CRDI) for diesel engines.
Turbocharging:
Many models feature twin-turbocharging or supercharging.
Engine Code Examples:
M276 (3.0L/3.5L V6), M278 (4.7L V8), OM651 (2.1L I4 Diesel)
Standard Transmission:
7-speed automatic (7G-TRONIC PLUS)
Optional Transmission:
9-speed automatic (9G-TRONIC) available on some later models, 7-speed automatic for 4MATIC variants.
Drive Configuration:
Rear-Wheel Drive (RWD) standard, 4MATIC All-Wheel Drive (AWD) optional on many models.
Automatic Transmission Fluid:
MB Spec 236.14 (for 7G-TRONIC PLUS), MB Spec 236.15 (for 9G-TRONIC)
Sedan Length:
Approx. 193.8 inches (4923 mm)
Sedan Width:
Approx. 73.1 inches (1857 mm)
Sedan Height:
Approx. 57.0 inches (1448 mm)
Wheelbase:
Approx. 113.1 inches (2874 mm)
Sedan Trunk Volume:
Approx. 15.9 cubic feet (451 L)
Curb Weight Range:
Approx. 3,700 - 4,200 lbs (1678 - 1905 kg) depending on model and options.
NHTSA Rating:
Typically 5-star overall safety rating (subject to specific testing for the 2015 model year).
IIHS Rating:
Likely 'Good' in most crashworthiness tests from IIHS (Insurance Institute for Highway Safety).
Active Safety Technologies:
ABS, ESP, Traction Control, Brake Assist, Attention Assist (driver fatigue detection), optional Adaptive Cruise Control (DISTRONIC PLUS), Lane Keeping Assist, Blind Spot Assist, Active Parking Assist.
Passive Safety Features:
Multiple airbags (front, side, curtain), pre-tensioning seatbelts, crumple zones, reinforced passenger cell.
Infotainment System:
COMAND (Cockpit Management and Navigation) system with high-resolution display, Bluetooth connectivity, USB interface, optional Harman Kardon surround sound.
Driver Assistance Packages:
Available Driving Assistance Package (DISTRONIC PLUS, BAS PLUS, PRE-SAFE Brake), Lane Tracking Package (Lane Keeping Assist, Blind Spot Assist).
Connectivity Features:
Bluetooth audio streaming and hands-free calling, Mercedes-Benz Apps integration (limited), optional Wi-Fi hotspot.
Convenience Features:
Keyless-Go (push-button start), power-adjustable seats with memory, heated and ventilated seats, panoramic sunroof, ambient lighting.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first (based on Mercedes Flexible Service System 'ASh' service indicator).
Major Service Intervals:
Intervals for spark plug replacement, brake fluid flush, transmission fluid change vary by model and engine, but generally around 40,000-60,000 miles or 4-5 years.
Engine Oil Spec:
MB Spec 229.5 (for most gasoline engines), MB Spec 229.51 or 229.52 (for diesel engines and some gasoline variants requiring low SAPS oil).
Coolant Spec:
MB Spec 325.0 or 326.0 (often blue or green ethylene glycol based)
Brake Fluid Spec:
DOT 4 Plus (MB Spec 331.0)
Common Wear Items:
Brake pads and rotors, suspension bushings, serpentine belt, spark plugs, ignition coils.
Engine Specific Concerns:
Potential for oil leaks from valve cover gaskets or oil filter housing on M276 engines; carbon buildup on intake valves of direct-injection engines; diesel particulate filter (DPF) issues on diesel models.
Transmission Concerns:
Mechatronic unit issues on older 7-speed transmissions, torque converter problems.
Electrical Concerns:
Water ingress into headlight modules, issues with COMAND infotainment system, seat control module failures.
Oil Filter Example:
e.g., A0001803009 (for many M276 engines)
Air Filter Example:
e.g., A2760940904 (for many M276 engines)
