Segment:
Luxury Crossover SUV (midsized)
Target Audience:
Families seeking premium comfort, space, and Mercedes-Benz engineering
Competitors:
BMW X5, Audi Q7, Volvo XC90, Lexus RX
Differentiators:
Spacious interior, car-like handling, premium Mercedes-Benz build quality and brand prestige
Benefit To Owner:
Empowers owners and independent technicians with factory-level diagnostic and repair information, potentially saving on dealership service costs.
Engine Mechanical:
Engine assembly, disassembly, diagnostics, timing, lubrication, cooling
Engine Management:
Fuel injection, ignition system, emissions control, ECU diagnostics, sensors
Transmission:
Automatic transmission (e.g., 7G-TRONIC PLUS), torque converter, control systems, fluid service
Drivetrain:
All-wheel drive (4MATIC) system, differentials, axles, driveshafts
Suspension:
Front and rear suspension components, air suspension (AIRMATIC), shocks, struts, control arms
Brakes:
Brake system components, ABS, ESP, brake fluid service, rotor/pad replacement, hydraulic systems
Steering:
Power steering system, steering column, steering gear
Electrical System:
Battery, charging system, starter, lighting, fuses, relays, wiring diagrams
Body And Chassis:
Frame, body panels, doors, windows, glass, trim, corrosion protection
HVAC:
Heating, ventilation, air conditioning system, refrigerant service, climate control module
Interior:
Seats, dashboard, upholstery, interior trim, airbags, restraint systems
Infotainment:
COMAND system, audio, navigation, telematics
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic tool usage
Repair:
Component removal and installation, major system overhauls, specific repair procedures
Calibration:
Sensor calibration, steering angle sensor, suspension height calibration
Replacement:
Component replacement (e.g., brake pads, spark plugs, sensors, filters)
Depth:
Factory-level diagnostic procedures, repair specifications, torque values, electrical schematics
Engine Code:
M272 (for most R350 models)
Engine Type:
3.5L V6 (Naturally Aspirated)
Horsepower:
268 hp @ 6000 rpm
Torque:
258 lb-ft @ 2400-5000 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Ignition System:
Distributorless Electronic Ignition (DIS) with coil-on-plug
Emissions Standard:
LEVII (Tier 2 Bin 5 equivalent)
NHTSA Overall Rating:
5-Star (for models tested, typically)
IIHS Top Safety Pick:
Often a Top Safety Pick recipient
Stability Control:
Electronic Stability Program (ESP)
Traction Control:
ASR (Acceleration Skid Control)
Brake Assist:
Brake Assist System (BAS)
Airbags:
Front, front-side, curtain, and rear-side airbags (standard)
Seatbelts:
3-point seatbelts with pretensioners and force limiters
Oil Change Interval:
Flexible, typically every 10,000 miles or 12 months, based on driving conditions (indicated by 'Service A' or 'Service B').
Transmission Fluid Change:
Typically recommended every 40,000 - 60,000 miles for the 7G-TRONIC PLUS.
Engine Oil Type:
MB 229.5 (e.g., Mobil 1 Synthetic European Car Formula 0W-40, Pennzoil Platinum Euro 0W-40)
Engine Oil Capacity:
8.5 US quarts (8.0 liters) with filter change (refer to manual for exact capacity)
Coolant Type:
MB 325.0 (Antifreeze/Coolant - Glysantin G48 or equivalent)
Brake Fluid Type:
DOT 4 Plus (MB 331.0)
M272 Engine Issue:
M272 engines can suffer from worn intake manifold flaps or balance shaft failure due to material degradation; requires inspection and potential replacement.
Air Suspension Issue:
AIRMATIC system can experience leaks from air springs or compressor failure over time.
Electronic Module Failure:
Various electronic control units (ECUs) can be prone to failure or require software updates.
