Mercedes-Benz 300-Class vs. Mercedes-Benz 350-Class
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz 300-Class and Mercedes-Benz 350-Class contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Mercedes-Benz 300-Class and the Mercedes-Benz 350-Class.
When we compare the Mercedes-Benz 300-Class's and the Mercedes-Benz 350-Class's specifications and ratings, the Mercedes-Benz 300-Class has the advantage in the area of fuel efficiency. The Mercedes-Benz 350-Class has the advantage in the area of base engine power. Based on this comparison of the Mercedes-Benz 300-Class's and the Mercedes-Benz 350-Class's specifications and ratings, the two cars are fairly comparable.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz 300-Class’s base engine makes 121 horsepower, and the Mercedes-Benz 350-Class base engine makes 134 horsepower. The 300-Class is rated to deliver an average of 26 miles per gallon, with a highway range of 540 miles. The 350-Class is rated to deliver an average of 21 miles per gallon, with a highway range of 529 miles. This gives the Mercedes-Benz 300-Class the fuel efficiency and maximum range advantage over the Mercedes-Benz 350-Class. Both models use diesel.
Passenger Space Comparison: The Mercedes-Benz 300-Class and Mercedes-Benz 350-Class are comparable in regards to rear shoulder room.
New Car Pricing
Asking Price:
-
Starting MSRP:
$41,350
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$54,250
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
$12,031
Price Range:
$1,850 - $42,993
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
8
Avg Mileage of Used Cars for Sale:
109,196
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
2
Avg Mileage of Used Cars for Sale:
208,288
# Good or Great Deals:
0
Mercedes-Benz 300-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
Mercedes-Benz 350-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz 300-Class
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Mercedes-Benz 350-Class
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Mercedes-Benz 300-Class Rankings
Not yet available
Mercedes-Benz 350-Class Rankings
Available Body Styles
Convertible, Coupe, Sedan, Wagon
Available Body Styles
Sedan
Available Drivetrain Options
Diesel, Gasoline
Available Drivetrain Options
Diesel
Mercedes-Benz 300-Class Trim Levels
Not yet available
Mercedes-Benz 350-Class Trim Levels
350 SD, 350 SDL
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
121 hp @ 4600 rpm
Torque:
165 foot-lbs @ 2400 rpm
Power-to-Weight Ratio (higher is better):
0.036 hp per pound
Base Drivetrain Specs
Horsepower:
134 hp @ 4000 rpm
Torque:
229 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.035 hp per pound
Engine Specifications
Engine Size:
2.5 liters
Engine Configuration:
Inline
Number of Cylinders:
5
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
23 / 30 / 26
Range (city/hwy):
414 / 540 miles
Recommended Fuel Type:
Diesel
Engine Specifications
Engine Size:
3.5 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 23 / 21
Range (city/hwy):
437 / 529 miles
Recommended Fuel Type:
Diesel
Standard/Optional Features
Alloy wheels:
Standard
Leather Upholstery:
Standard
Heated Seats
Available
Sunroof/Moonroof:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Entry:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Navigation System:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Leather Upholstery:
Available
Heated Seats
Available
Sunroof/Moonroof:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Entry:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Navigation System:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
36.9 inches
Front Leg Room:
41.7 inches
Front Shoulder Room:
55.9 inches
Rear Head Room:
36.9 inches
Rear Leg Room:
33.5 inches
Rear Shoulder Room:
55.7 inches
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
37.2 inches
Front Leg Room:
41.9 inches
Front Shoulder Room:
56.2 inches
Rear Head Room:
36.5 inches
Rear Leg Room:
33.4 inches
Rear Shoulder Room:
55.7 inches
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
3390 lbs
Width:
68.5 inches
Height:
56.3 inches
Length:
187.2 inches
Wheelbase:
110.2 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3805 lbs
Width:
71.7 inches
Height:
56.6 inches
Length:
202.6 inches
Wheelbase:
115.6 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
15.0 inches
Wheel Type:
aluminum alloy
Tire Size:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
15.0 inches
Wheel Type:
aluminum alloy
Tire Size:
Not yet available
Exterior Colors
Black
Black / Black Pearl Metallic
Blue
Ice Blue Metallic
Brown
Desert Taupe Metallic
Gray
Anthracite Gray Metallic / Pearl Gray Metallic
Green
Seafoam Green Metallic / Spruce Green Metallic
Purple
Blackberry Metallic
Red
Desert Red / Garnet Red Metallic
White
Arctic White
Exterior Colors
Black
Black / Black Pearl Metallic
Blue
Ice Blue Metallic
Brown
Desert Taupe Metallic
Gray
Anthracite Gray Metallic / Pearl Gray Metallic
Green
Seafoam Green Metallic / Spruce Green Metallic
Purple
Blackberry Metallic
Red
Desert Red / Garnet Red Metallic
White
Arctic White
