The 2004 Mercedes-Benz CLK500 blends grand-touring comfort with V8-powered coupe style, making it a car that still appeals to drivers who want modern Mercedes character without losing a strong connection to early-2000s design. Tire selection on this model centers on a staggered radial setup, with 225/45R17 in front and 245/40R17 in the rear, both on 17-inch rims. That creates a more specific fitment decision than a single-size setup, especially when comparing blackwall performance tires with appearance-oriented options such as raised white letter or redline in the front size. The right choice depends on preserving the intended front-to-rear balance, confirming wheel specs, and matching the tire's look to the car's use.
Which Tire Size Is Right for The 2004 Mercedes-Benz CLK500
The 2004 Mercedes-Benz CLK500 uses two primary tire sizes, and the difference is tied to front and rear fitment rather than unrelated trim variations. Both sizes are radial tires for 17-inch rims, so the first step is confirming whether you are replacing the front pair or the rear pair, then comparing the available tire series, sidewall style, and wheel-width compatibility within that position.
The 245/40R17 size follows the same modern metric radial convention, with a wider 245-millimeter nominal section width, a 40-series profile, radial construction, and a 17-inch rim diameter. On the 2004 Mercedes-Benz CLK500, this is the rear tire size, so it plays a key role in keeping the car's original front-to-rear sizing relationship intact. Rear tire options in this size come from BFGoodrich across several g-Force series, all in blackwall form. This is the correct size to focus on when replacing the driven axle tires and confirming that rear wheel width matches the tire selected.
Sub-model fitment on the 2004 Mercedes-Benz CLK500 is straightforward in layout but still requires attention because the front and rear positions use different sizes. Checking whether you are replacing the Base Front or Base Rear tires matters before comparing products or sidewall styles.
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2004 Mercedes-Benz CLK500 Base Front
The 2004 Mercedes-Benz CLK500 Base Front uses a 225/45R17 radial tire on a 17-inch rim. That makes front tire selection a matter of preserving the staggered setup while choosing among available performance-oriented series and, in this size, a few different sidewall presentations.
The 2004 Mercedes-Benz CLK500 Base Rear uses a 245/40R17 radial tire on a 17-inch rim. Rear tire selection should stay focused on the proper wider rear fitment, with wheel-width compatibility and the specific tire series becoming the main comparison points.
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.
Best 2004 Mercedes-Benz CLK500 Tires for Sale
Available 2004 Mercedes-Benz CLK500 tire choices center on 17-inch radial fitments from BFGoodrich, Nitto, and Pro-Trac. Buyers can compare several g-Force series, blackwall options in both sizes, and added appearance variety in the 225/45R17 front size through raised white letter and redline treatments.
These FAQs focus on the staggered 17-inch tire setup used on the 2004 Mercedes-Benz CLK500, including front and rear sizing, product selection, sidewall choices, wheel compatibility, and the checks that matter before regular road use.
Tire Size & Fitment
What tire size fits a 2004 Mercedes-Benz CLK500?
The 2004 Mercedes-Benz CLK500 uses a staggered tire setup with 225/45R17 on the front and 245/40R17 on the rear. Both are radial tire sizes designed for 17-inch rims, so this model does not use the same size at all four corners in its standard layout.
That means the first step is identifying whether you are replacing front tires, rear tires, or the full set. Matching the correct position matters because the two sizes differ in width and profile, and changing that relationship without checking wheel width and clearance can alter the intended fitment balance of the car.
What size rim does a 2004 Mercedes-Benz CLK500 use?
The 2004 Mercedes-Benz CLK500 uses 17-inch rims with both of its primary tire sizes. The front 225/45R17 and rear 245/40R17 share the same rim diameter, even though the rear tire is wider and uses a slightly lower profile.
Rim diameter is only part of the fitment picture, so it is still worth confirming actual wheel width before choosing a tire. That becomes especially important if the car has replacement wheels, because a 17-inch diameter alone does not guarantee that every tire option within these sizes suits the wheel already on the car.
Do all 2004 Mercedes-Benz CLK500 sub-models use the same tire size?
The 2004 Mercedes-Benz CLK500 covered here does not use one shared tire size across all positions. The Base Front uses 225/45R17, while the Base Rear uses 245/40R17, creating a staggered arrangement rather than a square one-size setup.
For tire replacement, that means the sub-model label is really a position label, and it needs to be matched correctly before selecting a tire. A buyer replacing only two tires should confirm whether the need is at the front or rear, then compare products within that exact size instead of assuming all four tires are interchangeable.
Choosing the Right Tire
What should I consider when choosing a 225/45R17 or 245/40R17 tire for a 2004 Mercedes-Benz CLK500?
Start with the correct position-specific size, since the 2004 Mercedes-Benz CLK500 uses 225/45R17 in front and 245/40R17 in back. From there, compare construction, tire series, sidewall style, and wheel-width compatibility, because the available choices differ more by product character than by basic fitment format.
A front tire decision may also involve appearance, since 225/45R17 is offered in blackwall, raised white letter, and redline form. Rear selection is more straightforward, with blackwall BFGoodrich options, so the main checks become proper size retention, wheel match, and choosing a tire series that suits how the car will be driven.
What sidewall styles are available for 2004 Mercedes-Benz CLK500 tires?
Sidewall style depends on size. In 225/45R17, the 2004 Mercedes-Benz CLK500 has blackwall options along with raised white letter and redline versions. In 245/40R17, the available choices are blackwall, which keeps the rear selection more focused on series and sizing than on appearance treatment.
That matters if you want the car to lean toward a clean contemporary look or a more customized presentation. Since sidewall treatments are not shared equally between front and rear sizes, owners planning a full set should think about how the front appearance choice will coordinate with the simpler blackwall-only rear offerings.
What brands offer tires for the 2004 Mercedes-Benz CLK500?
Available tire brands for the 2004 Mercedes-Benz CLK500 include BFGoodrich, Nitto, and Pro-Trac. BFGoodrich appears in both primary sizes, while Nitto and Pro-Trac are represented in the 225/45R17 front size, giving the front fitment a broader mix of performance and appearance-oriented choices.
Brand selection should still come after confirming the correct size and tire position. Once that is settled, compare the tire series offered by each brand, the sidewall style where applicable, and the wheel-width range tied to the tire you are considering, especially if the car no longer carries its original wheel setup.
Restoration & Appearance
Which tire should I choose for a period-style 2004 Mercedes-Benz CLK500?
A period-style approach for a 2004 Mercedes-Benz CLK500 starts by keeping the staggered 225/45R17 front and 245/40R17 rear layout intact. Since this car belongs to a modern Mercedes grand-touring era rather than a whitewall or bias-ply era, the most natural visual starting point is a radial tire in the proper modern metric size.
Appearance then comes down to how restrained or expressive you want the finished car to look. Blackwall options preserve a clean OEM-era impression, while raised white letter or redline in the front size can move the car toward a more customized presentation, so originality-minded buyers should compare those choices against marque-specific reference material.
How does tire construction affect the appearance of a restored 2004 Mercedes-Benz CLK500?
On a 2004 Mercedes-Benz CLK500, construction does not create a bias-ply-versus-radial debate because the primary fitment is already radial. The visual difference comes more from tread and sidewall presentation within the available radial choices than from switching between fundamentally different vintage tire constructions.
That makes sidewall style the more noticeable appearance decision on this car. A blackwall tire usually keeps the look closest to the restrained character expected of an early-2000s Mercedes coupe, while raised white letter or redline on the front size introduces a more personalized look that may suit some builds better than others.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2004 Mercedes-Benz CLK500?
Yes, modifications can affect tire fitment on a 2004 Mercedes-Benz CLK500 even when the tire size itself is correct. Aftermarket wheels, altered wheel width, offset changes, lowered suspension, or body modifications can all change how a 225/45R17 front or 245/40R17 rear tire sits within the wheelwell.
That is why a modified car should be checked for steering clearance, fender clearance, and wheel compatibility before replacement tires are chosen. The staggered setup also means front and rear need to be evaluated separately, since a change that works on one end of the car may not leave the same space or wheel relationship on the other.
What should I inspect before driving a 2004 Mercedes-Benz CLK500 on new tires?
Before driving a 2004 Mercedes-Benz CLK500 on new tires, inspect the wheels for correct diameter and condition, confirm that the front and rear sizes were installed in the proper positions, and check inflation pressure carefully. It is also smart to look over suspension and alignment-related wear points if the old tires showed irregular wear.
A short initial road test can help confirm that the tires clear properly at full steering lock and that there is no rubbing under normal movement. After a little driving, recheck pressure and visually inspect each tire again so any mounting, clearance, or setup issue is caught early rather than after extended use.
How should 225/45R17 and 245/40R17 tires on a collector 2004 Mercedes-Benz CLK500 be maintained?
Collector-use tires on a 2004 Mercedes-Benz CLK500 should be maintained with regular pressure checks, routine visual inspections, and attention to age as well as tread depth. Even a low-mileage car can develop tire issues over time, so sidewall cracking, bulges, cuts, flat spotting, and slow air loss all deserve attention.
Storage conditions matter too, especially for a car that spends long periods parked. Keeping the CLK500 away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve the tires, and moving the car periodically or using proper storage practices can reduce flat-spotting on a vehicle that is not driven often.
