Mercedes-Benz 400-Class vs. Mercedes-Benz 300-Class
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz 400-Class and Mercedes-Benz 300-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 400-Class and the Mercedes-Benz 300-Class.
When we compare the Mercedes-Benz 400-Class's and the Mercedes-Benz 300-Class's specifications and ratings, the Mercedes-Benz 400-Class has the advantage in the area of base engine power. The Mercedes-Benz 300-Class has the advantage in the area of fuel efficiency. Based on this comparison of the Mercedes-Benz 400-Class's and the Mercedes-Benz 300-Class's specifications and ratings, the two cars are fairly comparable.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz 400-Class’s base engine makes 275 horsepower, and the Mercedes-Benz 300-Class base engine makes 121 horsepower. The 400-Class is rated to deliver an average of 18 miles per gallon, with a highway range of 396 miles. The 300-Class is rated to deliver an average of 26 miles per gallon, with a highway range of 540 miles. This gives the Mercedes-Benz 300-Class the fuel efficiency and maximum range advantage over the Mercedes-Benz 400-Class. The 400-Class uses gasoline, and the 300-Class uses diesel.
New Car Pricing
Asking Price:
-
Starting MSRP:
$56,800
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$44,200
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
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:
1
Avg Mileage of Used Cars for Sale:
112,200
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
$8,911
Price Range:
$1,000 - $18,432
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
6
Avg Mileage of Used Cars for Sale:
160,724
# Good or Great Deals:
0
Mercedes-Benz 400-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
Mercedes-Benz 300-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz 400-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 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:
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 400-Class Rankings
Not yet available
Mercedes-Benz 300-Class Rankings
Available Body Styles
Sedan
Available Body Styles
Convertible, Coupe, Sedan, Wagon
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Diesel, Gasoline
Mercedes-Benz 400-Class Trim Levels
400 E, 400 SEL
Mercedes-Benz 300-Class Trim Levels
Not yet available
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:
275 hp @ 5700 rpm
Torque:
295 foot-lbs @ 3900 rpm
Power-to-Weight Ratio (higher is better):
0.073 hp per pound
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
Engine Specifications
Engine Size:
4.2 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
16 / 22 / 18
Range (city/hwy):
288 / 396 miles
Recommended Fuel Type:
Gasoline
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
Standard/Optional Features
Alloy wheels:
Standard
Leather Upholstery:
Standard
Sunroof/Moonroof:
Standard
Air Suspension:
Available
Heated Seats
Available
Adaptive Cruise Control:
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
Sunroof/Moonroof:
Available
Air Suspension:
Available
Heated Seats
Available
Adaptive Cruise Control:
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:
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
Exterior Dimensions
Curb Weight:
3745 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:
3390 lbs
Width:
68.5 inches
Height:
56.3 inches
Length:
187.2 inches
Wheelbase:
110.2 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
Dark Blue / Ice Blue Metallic / Nautical Blue Metallic / Teal Blue Metallic
Brown
Canyon Brown Metallic / Sierra Brown Metallic
Gray
Anthracite Gray Metallic / Carrara Gray / Pearl Gray Metallic
Green
Seafoam Green Metallic / Spruce Green Metallic
Purple
Blackberry Metallic
Red
Cabernet Red Metallic / Desert Red / Garnet Red Metallic / Signal Red
Silver
Brilliant Silver Metallic / Smoke Silver Metallic
White
Arctic White / Light Ivory
Exterior Colors
Black
Black / Black Pearl Metallic
Blue
Dark Blue / Ice Blue Metallic / Nautical Blue Metallic / Teal Blue Metallic
Brown
Canyon Brown Metallic / Sierra Brown Metallic
Gray
Anthracite Gray Metallic / Carrara Gray / Pearl Gray Metallic
Green
Seafoam Green Metallic / Spruce Green Metallic
Purple
Blackberry Metallic
Red
Cabernet Red Metallic / Desert Red / Garnet Red Metallic / Signal Red
Silver
Brilliant Silver Metallic / Smoke Silver Metallic
White
Arctic White / Light Ivory
