LexusÂIS 350 F SPORT |  Mercedes-Benzc300 |
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Key Specifications
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
 311 @ 6,600 |  255 @ 5,800 |
 280 @ 4,800 |  273 @ 1,800 |
 34.2 (RWD) 35.4 (AWD) |  36.8 |
 3.5-liter V6 |  2.0-liter turbocharged inline 4-cylinder |
 8-speed automatic  (RWD) |  6-speed automatic (AWD) |
 Rear-wheel drive All-wheel drive |  Rear-wheel drive All-wheel drive |
 20/28/23 MPG (RWD) 19/26/22 MPG (AWD) |  24/35/28 (RWD) 23/33/26 (AWD) |
 3,748 (RWD) 3,880 (AWD) |  3,472 (RWD) 3,605 (AWD) |
 Premium |  Premium |
 17.4 |  17.4 |
 $42,900-$55,795 |  $41,400-$63,745 |
SAVINGS OVER TIME
The IS 350 F SPORT is projected to hold its value better than the Mercedes-Benz C 300 as time progresses. With lower projected depreciation and repair costs, the Lexus IS offers a substantially better five-year estimated cost of ownership.
Value
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
 $19,663 |  $26,684 |
 Taxes and Fee
 $2,884 |  $3,049 |
 Financing
 $6,782 |  $7,219 |
RepairsÂ
 $937 |  $2,585 |
Total 5-Year Cost to Own
 $56,201 |  $63,160 |
 $9,104 |  $7,485 |
 $9,647 |  $8,999 |
 $7,184 |  $7,139 |
SAFETY AND DRIVER ASSISTANCE
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
Emergency Steering Assist
 Standard |  Available |
 Intersection Turning Assist
 Standard |  Not Available |
 Lane Departure Warning
 Standard |  Available |
 Lane Keeping System
 Standard |  Available |
Adaptive Cruise Control
 Standard |  Available |
Automatic High Beams
 Standard |  Available |
Parking Sensors
 Available (with Auto Braking) |  Available (audible alert only) |
  Rear Cross-Traffic Alert
 Standard (audible alert only) Available (with Auto Braking) |  Available (with Auto Braking) |
Airbags
 10 |  8 |
Forward Collision Warning
 Standard |  Standard |
 Standard |  Standard |
 Standard |  Standard |
Advanced Driver AssistanceLexus Safety System+ 2.5 (LSS+ 2.5) comes standard on the Lexus IS and includes advanced driver assistance features like All-Speed Dynamic Radar Cruise Control (DRCC), Lane Tracing Assist (LTA), and Pre-Collision System (PCS) with Emergency Steering Assist and Intersection Turning Assist. While the Mercedes-Benz C 300 offers many similar safety features, they require the purchase of additional packages or options-and the C 300 doesn't offer Intersection Turning Assist. | Â ![]() |
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Situational Awareness
The Lexus IS offers the confidence of standard Rear Cross-Traffic Alert (RCTA) that audibly alerts the driver to vehicles crossing at the rear, which is a big help in crowded parking lots. The IS also has available Rear Cross-Traffic Braking and Intuitive Parking Assist with Auto Braking, increasing the safety of both the vehicle and its occupants. The Mercedes-Benz C 300 does not offer Rear Cross-Traffic Alert as standard and their available Active Park Assist feature only gives audible alerts when approaching a vehicle or object.
EXTERIOR AND INTERIOR DIMENSIONS
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
 38.2 |  37.1 |
Legroom-Front (in)
 44.8 |  41.7 |
 Shoulder Room-Front (in)
 55.9 |  55.3 |
 110.2 |  111.8 |
 Overall Length (in)
 185.4 |  184.5 |
 72.4 |  71.3 |
 56.5 |  56.8 |
 36.9 |  37.1 |
 32.2 |  35.2 |
 53.4 |  55.0 |
 10.8 |  12.6 |
Exhilarating PerformanceThe Lexus IS 350 F SPORT, when equipped with the available Dynamic Handling Package, features a driver- adjustable Adaptive Variable Suspension (AVS), Drive Mode Select and-on rear- wheel-drive models-a TORSEN® torque- sensing limited-slip rear differential. The C 300 doesn't offer a driver-selectable adaptive suspension system. |  ![]() |
PERFORMANCE AND TECHNOLOGY
Vehicle
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
 Adaptive Suspension System
 Available |  Not Available |
COMFORT AND CONVENIENCE
Vehicle
 LEXUS IS 350 F SPORT |  Mercedes-Benz c300 |
Lexus+Alexa (In-Car)
 Standard |  |
Available Audio System
 Mark Levinson® (17 speakers) |  Burmester (13 speakers) |
 Heated Front Seats
 Standard |  Available |
 Standard |  Available |
 Standard |  Standard |
 Standard |  Standard |
 Standard |  Standard |
 Standard |  Standard |
 Standard (10-way) |   Standard (10-way) |
 Available |  Standard |
 Not Available |  Standard |
 Available |  Available |
 Standard (entry/start) |  Standard (entry/start) |
 NuLuxe® |  MB-Tex |

PREMIER AUDIO
Audiophiles will appreciate the remarkable sound quality of the available Mark Levinson® 17-Speaker, 12-channel, 1,800-watt Premium Surround Sound System in the Lexus IS over the 13-speaker, 590-watt Burmester Surround Sound System in the C 300.
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