Mercedes-Benz GLK vs. Mercedes-Benz M-Class
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz GLK and Mercedes-Benz M-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 GLK and the Mercedes-Benz M-Class.
When comparing the Mercedes-Benz GLK's and the Mercedes-Benz M-Class's specifications and ratings, the Mercedes-Benz GLK has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. The Mercedes-Benz M-Class has the advantage in the area of interior volume. The Mercedes-Benz GLK and Mercedes-Benz M-Class have the same base engine power. Based on this comparison of the Mercedes-Benz GLK's and the Mercedes-Benz M-Class's specifications and ratings, the Mercedes-Benz GLK is a better car than the Mercedes-Benz M-Class.
Pricing: A used 2015 Mercedes-Benz GLK ranges from $10,589 to $22,891 while a used 2015 Mercedes-Benz M-Class is priced between $12,712 to $23,998.
Engine Power and Fuel Efficiency Comparison: For engine performance, the base engine of both the Mercedes-Benz GLK and the Mercedes-Benz M-Class makes 302 horsepower. The GLK is rated to deliver an average of 21 miles per gallon, with a highway range of 435 miles. The M-Class is rated to deliver an average of 20 miles per gallon, with a highway range of 590 miles.This gives the Mercedes-Benz GLK the advantage in fuel efficiency and the Mercedes-Benz M-Class the advantage in maximum range. Both models use gasoline.
Passenger Space Comparison: The Mercedes-Benz M-Class has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear shoulder room, rear leg room, and cargo space. The Mercedes-Benz GLK has the advantage in the areas of front leg room and rear head room.
New Car Pricing
Asking Price:
-
Starting MSRP:
$37,900
Category Avg Starting MSRP:
(Luxury Compact SUVs)
$39,315
Category Starting MSRP Range:
(Luxury Compact SUVs)
$33,100 - $52,700
New Car Pricing
Asking Price:
-
Starting MSRP:
$48,300
Category Avg Starting MSRP:
(Luxury Midsize SUVs)
$57,728
Category Starting MSRP Range:
(Luxury Midsize SUVs)
$38,900 - $102,100
Used Car Pricing
Avg Used Car Price:
$16,424
Price Range:
$10,589 - $22,891
Category Avg Price:
(Luxury Compact SUVs)
$17,098
Category Avg Price Range:
(Luxury Compact SUVs)
$14,334 - $25,173
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
$17,627
Price Range:
$12,712 - $23,998
Category Avg Price:
(Luxury Midsize SUVs)
$22,374
Category Avg Price Range:
(Luxury Midsize SUVs)
$14,660 - $35,453
# Used Cars for Sale Nationally:
212
Avg Mileage of Used Cars for Sale:
99,668
# Good or Great Deals:
97
Mercedes-Benz GLK Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
Mercedes-Benz M-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz GLK
Remaining Life Expectancy (years):
2.5
Typical Category Remaining Life Expectancy:
(Luxury Compact SUVs)
3
Category Remaining Life Expectancy Range:
(Luxury Compact SUVs)
1.7 - 4.1
Chance of Reaching 200k Miles for a New Car:
12.3%
iSeeCars Reliability Insights for Mercedes-Benz M-Class
Remaining Life Expectancy (years):
2
Typical Category Remaining Life Expectancy:
(Luxury Midsize SUVs)
1.8
Category Remaining Life Expectancy Range:
(Luxury Midsize SUVs)
0.2 - 4.2
Chance of Reaching 200k Miles for a New Car:
21.8%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.8
Typical Category Recalls:
(Luxury Compact SUVs)
4.2
Category Range for Recalls:
(Luxury Compact SUVs)
1 - 17.1
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
18.3
Typical Category Recalls:
(Luxury Midsize SUVs)
3.4
Category Range for Recalls:
(Luxury Midsize SUVs)
1.2 - 18.3
Mercedes-Benz GLK Rankings
Not yet available
Mercedes-Benz M-Class Rankings
Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Diesel, Gasoline
Available Drivetrain Options
Diesel, Gasoline
Mercedes-Benz GLK Trim Levels
GLK 250 BlueTEC, GLK 350, GLK 350 4MATIC
Mercedes-Benz M-Class Trim Levels
ML 250 BlueTEC, ML 350, ML 350 4MATIC, ML 400, ML 63 AMG
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
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:
4 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
302 hp @ 6500 rpm
Torque:
273 foot-lbs @ 3500 rpm
Power-to-Weight Ratio (higher is better):
0.074 hp per pound
Towing capacity:
3500 lbs
Base Drivetrain Specs
Horsepower:
302 hp @ 6500 rpm
Torque:
273 foot-lbs @ 3500 rpm
Power-to-Weight Ratio (higher is better):
0.065 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
3.5 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 25 / 21
Range (city/hwy):
331 / 435 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
3.5 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 24 / 20
Range (city/hwy):
443 / 590 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Ignition:
Available
Panoramic Sunroof/Moonroof
Available
Parking Sensors:
Available
Power Lift Gate:
Available
Satellite radio:
Available
Sunroof/Moonroof:
Available
Trailer Hitch:
Available
Voice Recognition:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Heated Seats
Standard
Heated Steering Wheel:
Available
Keyless Ignition:
Available
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
Available
Power Lift Gate:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Trailer Hitch:
Available
Voice Recognition:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Internet Radio:
Available
Massage Seats:
Available
Quad Seats:
N/A
Roof Rack:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Driver Attention Monitoring:
Standard
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot 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
Driver Attention Monitoring:
Standard
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
Available
Forward Collision Warning:
N/A
Lane Departure Warning:
Available
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:
39.8 inches
Front Leg Room:
41.4 inches
Front Shoulder Room:
55.2 inches
Rear Head Room:
39.7 inches
Rear Leg Room:
35.1 inches
Rear Shoulder Room:
55.4 inches
Cargo Space:
16.5 cubic feet
Cargo Space, 2nd-row seat folded down:
54.7 cubic feet
Overall Interior Volume:
119.5 cubic feet
Interior Dimensions
Front Head Room:
40.4 inches
Front Leg Room:
40.3 inches
Front Shoulder Room:
58.5 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
38.4 inches
Rear Shoulder Room:
58.4 inches
Cargo Space:
38.2 cubic feet
Cargo Space, 2nd-row seat folded down:
80.3 cubic feet
Overall Interior Volume:
145.2 cubic feet
Exterior Dimensions
Curb Weight:
4068 lbs
Width:
79.4 inches
Height:
66.9 inches
Length:
178.2 inches
Wheelbase:
108.5 inches
Ground Clearance:
7.9 inches
Exterior Dimensions
Curb Weight:
4652 lbs
Width:
84.3 inches
Height:
70.7 inches
Length:
189.1 inches
Wheelbase:
114.8 inches
Ground Clearance:
5.4 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/50R19
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/50R19
Exterior Colors
Black
Black / Obsidian Black Metallic
Blue
Lunar Blue Metallic
Brown
Dolomite Brown Metallic
Gray
Palladium Silver Metallic / Pebble Grey Metallic / Steel Grey Metallic
Red
Mars Red
Silver
Diamond Silver Metallic / Iridium Silver Metallic
White
designo Diamond White Metallic / Polar White
Exterior Colors
Black
Black / Obsidian Black Metallic
Blue
Lunar Blue Metallic
Brown
Dakota Brown Metallic
Gray
Palladium Silver Metallic / Steel Grey Metallic
Red
Cinnabar Red Metallic
Silver
Diamond Silver Metallic / Iridium Silver Metallic
White
designo Diamond White Metallic / Polar White
Interior Colors
Beige
Sahara Beige/Mocha
Black
Black
Brown
Mocha/Black / Sahara Beige/Mocha
Gray
Ash/Black
Interior Colors
Beige
Almond Beige/Black / Porcelain
Black
Black
Brown
Almond Beige/Mocha / Auburn Brown / Auburn Brown/Black
Gray
Grey/Black / Grey/Dark Grey
