Mercedes-Benz R320

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Engine

2,987-cc turbocharged DOHC 24-valve V-6. Cast-iron cylinder block with aluminum alloy head. Counter-rotating balance shaft.

Net power 215 hp @ 4,000 rpm
Net torque 398 lb-ft @ 1,600 — 2,400 rpm
Compression ratio 17.7:1
Fuel requirement Ultra-low-sulfur diesel fuel.
Fuel tank (capacity - reserve) 21.13 — 3.4 gal

Fuel and ignition system

Third-generation Common-rail Direct Injection (CDI). Four valves per cylinder. Variable Nozzle Turbocharger (VNT) with electronically adjustable turbo blades. Exhaust gas recirculation with electronically controlled valve. Electronically controlled intake air throttling

Transmission

7-speed automatic. Electronically controlled shifting. Column-mounted driver-adaptive shifting provides convenient selection of Park, Reverse, Neutral, and Drive. Touch Shift with fingertip shift controls permits driver to manually downshift and allows upshifts in Drive via shift buttons behind the upper steering-wheel spokes (left to downshift and right to upshift). Driver-adaptive programming adjusts shift points to the driver's current driving style. Shift into Optimum Gear programming allows one-touch selection of the best gear for maximum acceleration or engine braking by holding a Touch Shift button in the downshift position for one second

Drive configuration 4MATIC™ 4-wheel drive, with 50/50 front/rear torque split maintained via a single-speed transfer case and center differential.

Axle ratio 2.92:1

Traction Control & Stability Systems

4-wheel Electronic Traction System (4-ETS) Standard 4-ETS monitors the speed of all four wheels to detect wheel slip, then applies individual brakes as needed (to provide the effect of locking the front, rear, and/or center differentials) and/or reduces excess engine power. 4-ETS continually balances the torque split to help ensure power is permitted to flow to the wheel or wheels with traction.1

Electronic Stability Program (ESP®) ESP compares the driver's intended course, via steering and braking inputs, to the vehicle's response, via lateral acceleration, rotation (yaw), and individual wheel speeds. ESP then brakes individual front or rear wheels and/or reduces excess engine power as needed to help correct understeer (plowing) or oversteer (fishtailing). ESP also integrates all-speed traction control, which senses drive-wheel slip under acceleration and individually brakes the slipping wheel or wheels, and/or reduces excess engine power, until control is regained.1 View the interactive Feature Spotlight

Performance

Acceleration TBD
Fuel economy
- EPA estimate 18 mpg
- Highway estimate 24 mpg

Exterior Dimensions

Wheelbase 126.6 in
Overall length 203.0 in
Overall height 65.4 in
Overall width 75.7 — 77.5 in
Front track 65.5 in
Rear track 65.3 in
Coefficient of drag 0.31 - 0.32 cd
Curb weight 5,092 lb (6-passenger) and 5,191 lb (7-passenger)

Interior Dimensions

Front headroom 39.8 in
Second-row headroom 40.4 in
Third-row headroom 37.2 in
Front legroom 39.8 in
Second-row legroom 36.2 in
Third-row legroom 32.4 in
Front shoulder room 60.3 in
Second-rowshoulder room 59.6 in
Third-row shoulder room 59.6 in
Cargo volume2 (seats up) 15.3 cu ft
Cargo volume2 (third row down) 42.2 cu ft
Cargo volume2 (second and third rows down) 85.0 cu ft
Cargo length (third row up) 19.4 in
Cargo length (third-row backrest down) 43.0 in
Cargo length (second and third rows folded flat) 63 — 92 in
Cargo floor width 44.5 in

Exterior Features

AMG bodystyling.

Dual chrome exhaust tips.

Dual heated power mirrors.

Privacy glass for rear doors, rear quarter windows, and liftgate.

Rain-sensing wipers.

Rear-window wiper with washer.

Electrically heated rear window with auto-shutoff based on time, driving speed, and outside temperature.

Liftgate close assist.

Halogen headlamps and front foglamps. Single red rear foglamp in left taillamp.

Selectable light-sensing headlamps.

Programmable daytime running lamps with auto-on override in darkness.

Interior Features

Multifunction steering wheel.
Front- and second-row power windows with one-touch express-up/down.
4-way (tilt/telescoping) manually adjustable steering column.
Electronic cruise control. 12-volt power outlets in ashtray, below glovebox, behind center console, and in cargo area. Dual-zone climate control. Electrostatic dust and pollen filter.
Tunnel mode offers one-touch closing of all windows, the sunroof,1 and cabin air intake via the air-recirculation button.

Instrumentation

Electronic analog speedometer, tachometer, fuel gauge, and quartz clock.
Digital display of odometer and gear/mode selection.
Multifunction display in instrument cluster, scrolled via steering-wheel controls to operate and display various menus and vehicle features: resettable trip meter and outside temperature indicator; digital speedometer, Maintenance System, and engine oil-level check; all audio features; DVD-based navigation system route guidance;1 compass heading, or Airmatic suspension1 settings; vehicle reminder and message indicator; driver-programmable settings for instruments, lighting, and vehicle and convenience features; trip computer (elapsed time, fuel consumption, and distance to empty); and mobile phonebook.
Mercedes-Benz Maintenance System Plus displays distance remaining to next basic maintenance service, indicates type of service due, and provides an automatic reminder feature. System also monitors brake-pad wear.
Tire-pressure monitoring system.

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