The 2004 Mercedes-Benz Trucks ML350 sits in the early luxury SUV era, when midsize sport-utility models were expected to balance everyday road comfort with a more substantial, capable stance. For owners today, that means tire choice is less about vintage construction and more about confirming the exact fitment the vehicle uses. This ML350 uses 17-inch radial tire fitments, with either 255/60R17 or 275/55R17 depending on configuration. The main decision is identifying which of those two metric radial sizes belongs on your specific ML350. Once that is settled, the focus turns to maintaining proper wheel compatibility, preserving the intended look, and checking overall condition before regular road use.
Which Tire Size Is Right for The 2004 Mercedes-Benz Trucks ML350
The 2004 Mercedes-Benz Trucks ML350 uses two primary tire sizes, and both are radial tires built for 17-inch rims. Because fitment varies by sub-model, the first step is confirming whether your ML350 is a Base model or an Inspiration Edition. Once the correct size is identified, the real comparison becomes overall tire dimensions, wheel compatibility, and whether the vehicle still has its original wheel and suspension setup.
255/60R17 is a metric radial size in which 255 identifies the nominal section width in millimeters, 60 is the aspect ratio, R indicates radial construction, and 17 is the wheel diameter in inches. On the 2004 Mercedes-Benz Trucks ML350, this size is one of the primary 17-inch radial fitments rather than a vintage bias-ply application. Its dimensions make it important to confirm the correct sub-model and wheel setup before replacement. This size is especially relevant when matching the vehicle's existing specification and maintaining the intended proportions on the 17-inch rim.
275/55R17 is also a metric radial size, with 275 representing nominal section width in millimeters, 55 identifying the aspect ratio, R denoting radial construction, and 17 marking the rim diameter in inches. For the 2004 Mercedes-Benz Trucks ML350, this size is used on 17-inch wheels and appears across more than one covered configuration. Compared with older alphanumeric or numeric sizing systems, this modern metric format gives a clearer picture of width and profile. It should be evaluated against the actual wheel and sub-model before selecting a replacement tire.
Sub-model identification matters on the 2004 Mercedes-Benz Trucks ML350 because tire fitment is not the same across every version. The Base model can use either of the two 17-inch radial sizes, while the Inspiration Edition is tied to one specific fitment.
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2004 Mercedes-Benz Trucks ML350 Base
The 2004 Mercedes-Benz Trucks ML350 Base has the broadest fitment range here, using either 255/60R17 or 275/55R17 in radial construction on a 17-inch rim. That makes wheel confirmation especially important before replacement, since the decision is not just choosing a tire brand but verifying which of the two primary sizes is already on the vehicle.
The 2004 Mercedes-Benz Trucks ML350 Inspiration Edition uses the 275/55R17 radial fitment on a 17-inch wheel. Tire selection is therefore more straightforward, with the focus shifting from size identification to confirming wheel setup, maintaining proper overall fit, and replacing aging tires with the same primary dimensions.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Frequently Asked Questions
Tire questions for the 2004 Mercedes-Benz Trucks ML350 usually center on the difference between 255/60R17 and 275/55R17, how sub-model fitment works, and what to inspect on the wheels, suspension, and tires before regular driving.
Tire Size & Fitment
What tire size fits a 2004 Mercedes-Benz Trucks ML350?
The 2004 Mercedes-Benz Trucks ML350 uses either 255/60R17 or 275/55R17, and both are radial tire sizes for 17-inch wheels. The correct size depends on the specific ML350 configuration, so the vehicle does not have one universal fitment across every covered version.
Choosing between those sizes starts with identifying the exact sub-model and then confirming what is currently mounted on the vehicle. It also helps to verify that the wheel diameter remains 17 inches and that no aftermarket wheel or suspension changes have altered the tire requirements.
What size rim does a 2004 Mercedes-Benz Trucks ML350 use?
The covered tire fitments for the 2004 Mercedes-Benz Trucks ML350 use a 17-inch rim diameter. Both 255/60R17 and 275/55R17 are built around that same wheel diameter, so rim diameter stays consistent even though the tire sizes themselves differ.
That consistency makes wheel checking easier, but diameter alone does not settle the whole fitment question. Wheel width, the exact tire size already fitted, and any prior wheel changes still need to be confirmed before replacement, especially on a Base model that may use either primary size.
Do all 2004 Mercedes-Benz Trucks ML350 sub-models use the same tire size?
No. The 2004 Mercedes-Benz Trucks ML350 Base can use either 255/60R17 or 275/55R17, while the Inspiration Edition uses 275/55R17. Both sub-models use radial tires on 17-inch rims, but the allowable tire sizes are not identical across the board.
That means sub-model identification is the first practical step before choosing a replacement tire. It is also worth checking the actual wheel and tire setup on the vehicle, since earlier replacements or accessory wheel changes can leave an ML350 wearing a different size than a buyer expects.
Choosing the Right Tire
What should I consider when choosing a tire for a 2004 Mercedes-Benz Trucks ML350?
Start with the correct primary size for the vehicle: 255/60R17 or 275/55R17, depending on the ML350 sub-model and wheel setup. Both are radial tires for 17-inch rims, so the first decision is fitment accuracy rather than choosing between vintage constructions or appearance-driven sidewall treatments.
After size is confirmed, compare the tire's dimensions against the vehicle's current setup and intended use. A careful choice should account for wheel compatibility, suspension condition, and any existing modifications, so the replacement tire maintains proper clearance and preserves the ML350's intended road-going character.
How do I choose between 255/60R17 and 275/55R17 for a 2004 Mercedes-Benz Trucks ML350?
The choice is determined by the specific 2004 Mercedes-Benz Trucks ML350 configuration and the wheel setup already on the vehicle. The Base model may use either size, while the Inspiration Edition uses 275/55R17, so this is a fitment question first and a product-selection question second.
A quick sidewall check on the current tires is useful, but it should be paired with wheel verification to make sure the vehicle has not been changed from its expected setup. Once the correct size is confirmed, replacement becomes much more straightforward and avoids buying a tire built to the wrong dimensions.
Why does the 2004 Mercedes-Benz Trucks ML350 have more than one tire size?
More than one tire size appears because the 2004 Mercedes-Benz Trucks ML350 was covered with different fitment combinations at the sub-model level. The Base model spans both 255/60R17 and 275/55R17, while the Inspiration Edition is associated with 275/55R17 alone.
For the buyer, that means size selection cannot be based on year, make, and model alone. Confirming the sub-model is important, and checking the actual wheel and tire combination on the vehicle matters just as much if previous owners installed different wheels or replaced tires without preserving the original setup.
Restoration & Appearance
Does correct tire fitment matter for a 2004 Mercedes-Benz Trucks ML350 restoration?
Yes. Even on a newer collector-era SUV like the 2004 Mercedes-Benz Trucks ML350, correct tire fitment affects stance, wheel fill, and the overall presentation of the vehicle. Using the proper 255/60R17 or 275/55R17 size helps preserve the proportions intended for the ML350's 17-inch wheel setup.
Appearance is only part of the equation, since fitment also influences clearance and how naturally the vehicle sits on its wheels. Anyone pursuing a more exact restoration should compare the current setup with vehicle-specific reference material and confirm that previous tire or wheel changes have not altered the original look.
Which tire should I choose for a period-style 2004 Mercedes-Benz Trucks ML350?
A period-style choice for the 2004 Mercedes-Benz Trucks ML350 begins with using the correct primary size for the specific vehicle configuration, either 255/60R17 or 275/55R17. Because this ML350 belongs to the modern metric radial era, staying with the proper radial format is the right starting point for a faithful visual presentation.
The next step is checking that the wheel setup still matches the intended specification, especially on a Base model that may use either size. A tire that keeps the correct dimensions will usually do more for the vehicle's overall appearance than a visually appealing tire mounted in the wrong fitment.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2004 Mercedes-Benz Trucks ML350?
Yes. Wheel changes, altered suspension height, and other modifications can affect tire fitment on a 2004 Mercedes-Benz Trucks ML350 even when the replacement tire matches one of the primary sizes. The covered fitments use 17-inch radial tires, but wheel width and the surrounding clearances still matter.
An ML350 with aftermarket wheels or suspension changes should be checked carefully before new tires are selected. Measuring the current setup and inspecting clearance at the fender, steering, and suspension points helps avoid choosing a tire size that matches the label but no longer suits the vehicle as configured.
What should I inspect before driving a 2004 Mercedes-Benz Trucks ML350 on new tires?
Before road use, inspect the wheel condition, confirm the tire size matches the vehicle setup, and check that inflation is set correctly for the tire and application. It is also smart to look over the suspension and steering components so the new tires are not being asked to compensate for worn hardware.
A second walk-around should focus on practical safety items such as sidewall damage, abnormal tread wear, air loss, and any signs of rubbing once the vehicle is moved and steered. That process is especially worthwhile on a low-use ML350 that may have spent long periods parked between drives.
How often should tires on a 2004 Mercedes-Benz Trucks ML350 be inspected?
Tires on a 2004 Mercedes-Benz Trucks ML350 should be inspected regularly, not just when tread looks worn. A quick visual check before driving and a more thorough inspection at routine service intervals helps catch cracking, cuts, punctures, uneven wear, and slow air loss before they become larger problems.
Older SUVs that see occasional use deserve extra attention because tire age and inactivity can matter as much as mileage. Looking at the sidewalls, confirming pressure, and checking for changes in ride feel or steering response will usually reveal whether the ML350 is ready for normal use or needs closer attention first.
