2003 Mercedes-Benz M-Class: Road Test

Archived Review

2003 Mercedes-Benz M-Class 

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  • MSRP: $36,950 -$65,900
  • Invoice: $34,364 -$61,287

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Our road test for the 2003 Mercedes-Benz M-Class includes a full evaluation of the 2003 Mercedes-Benz M-Class from the inside out. We evaluate not only engine and handling performance for the 2003 Mercedes-Benz M-Class, but also interior cabin and cargo space. Let our comprehensive road test ratings for the 2003 Mercedes-Benz M-Class help you decide if a 2003 Mercedes-Benz M-Class is right for you.

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ACCELERATION

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
5 7 7 5.8

The ML350 erases the ML320's shortage of midrange response and has plenty of power for most needs. It should be slightly quicker 0-60 mph than the 9.1 sec of our test ML320. V8 models are fast by any measure. An ML500 took just 6.6 sec 0-60, an ML55 only 6.4.

FUEL ECONOMY

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
4 3 2 3.1

No opportunity to measure ML350, but expect economy similar to the 13.9-15.0 mpg we averaged in ML320 tests. Test ML500s averaged 14.6-15.1 mpg. Test ML55 averaged 12.9 mpg. All engines require premium fuel.

RIDE QUALITY

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
4 3 2 4.6

Comfortable enough with standard suspension, but feels trucky, not carlike, with lots of bounding over bumps. Optional Sport Package gives ML350 and 500 firmer suspension settings and lower-profile tires that make ride jiggly, thumpy over bumps and broken pavement. M55 is similar.

STEERING/HANDLING/BRAKING

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
4 4 5 5.1

Confident for tall SUVs, with less cornering lean than some. Handling best on ML55 or with Sport Package, but steering always has weak self-centering. Antiskid/traction-control system brakes any or all wheels to maintain grip, but the AWD can't match traditional 4WD for heavy snow and off-road trails. Powerful disc brakes with ABS provide swift, sure stops.

QUIETNESS

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
5 5 4 5.4

Generally refined for SUVs, but wind noise rises sharply above 60 mph, and there's more tire drone and slap than in most cars. All engines emit marked full-throttle fan roar, but are unobtrusive at moderate cruising pace.

CONTROLS

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
5 5 5 5.7

Some controls won't be obvious to first-time Mercedes owners. Navigation system confusing to use and complicates audio adjustments. Cabin materials and finish generally in line with prices, but leather still costs extra on ML350. Extended-use-test 1999 ML430 required no unscheduled maintenance over 12 months and 15,500 mi., but suffered poor AM radio reception in urban areas.

ROOM/COMFORT/DRIVER SEATING (FRONT)

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
8 8 8 7.3

Comfortable and spacious. Commanding driver positioning, good visibility save headrest obstruction astern. Large doors and reasonably low SUV step-in ease entry/exit.

ROOM/COMFORT (REAR)

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
8 8 8 5.9

Tall, supportive cushion. Leg and foot room goes from good to tight as front seats slide rearward. OK access via low sills and adequately wide doors. Available 3rd-row seat is strictly for tykes, and even they might feel squeezed getting in or out of its tight confines.

CARGO ROOM

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
8 8 8 7.5

Adequate volume, but folding the rear seats takes practice and patience. Low deck is appreciated with heavy cargo.

VALUE WITHIN CLASS

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
7 4 3 5.2

Though the Acura MDX and Lexus RX 330 hold an edge in carlike driving feel, the M-Class is one of the most competent and pleasant truck-type SUVs. Prices are in line with Mercedes' lofty image, but typically high resale values compensate some.

Total Score

ML350 ML500 w/Sport Pkg. ML55 AMG Class Average
58 55 52 55.6

Total Score: 55

Scores for all Premium Midsize Sport-utility Vehicles

Low Score
36
Average Score
55
High Score
64

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