2018 Mercedes-Benz Tire Fitment Guide
2018 Mercedes-Benz spanned an unusually wide range, from compact sedans and coupes to flagship luxury cars and hand-built AMG performance models. That breadth matters because tire fitment changes substantially across the lineup, with everyday C-Class and E-Class models, roadsters like the SLC and SL, and wide-body AMG GT variants all using different section widths, aspect ratios, and wheel diameters. Across 28 model cores, 37 distinct tire sizes appear, and the real choice usually starts with identifying the exact model and whether it uses a staggered front-and-rear setup rather than assuming all 2018 Mercedes-Benz vehicles share the same fitment. Confirm your model first, then verify the exact size on the car before narrowing down product options.
Which Tire Size Is Right for Your 2018 Mercedes-Benz
2018 Mercedes-Benz vehicles use 37 distinct tire sizes, and those sizes vary heavily by model rather than being shared across the full range. Because the lineup spans 17-, 18-, 19-, and 20-inch applications, the first step is confirming the correct rim diameter and whether your car uses a staggered setup with different front and rear sizes. Understanding that distinction before choosing a product saves time and helps match the tire to the correct Mercedes-Benz model.
Year(s): 2018Fit(s): AMG GT, C300, C43 AMG, C63 AMG, C63 AMG S, CLS550, CLS63 AMG S, SL450, SL550, SL63 AMG, SL65 AMGConstruction: RadialRim: 19 in
255/35R19 is a metric radial size with a 255-millimeter section width, 35-series aspect ratio, and 19-inch rim diameter. It is available from BFGoodrich in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. Because this size appears across several different 2018 Mercedes-Benz models, it is not universal to the whole year and make and should be matched to the correct axle and application before choosing a tire.
Explore 255/35R19 TiresYear(s): 2018Fit(s): AMG GT, AMG GT C, AMG GT S, C63 AMG, C63 AMG SConstruction: RadialRim: 19 in
265/35R19 is a metric radial size with a 265-millimeter section width, 35-series aspect ratio, and 19-inch rim diameter. BFGoodrich and Nitto both offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is specific to performance-oriented 2018 Mercedes-Benz models, so it is best suited to cars that need the factory-style 19-inch fitment and wider section width for the proper stance and axle match.
Explore 265/35R19 TiresYear(s): 2018Fit(s): AMG GTConstruction: RadialRim: 19-in
295/30R19 is a metric radial size with a 295-millimeter section width, 30-series aspect ratio, and 19-inch rim diameter. This size is used only on the 2018 Mercedes-Benz AMG GT, but no product summary applies here. Its role within the AMG GT fitment makes it a model-specific size rather than a year-wide Mercedes-Benz choice.
Explore 295/30R19 TiresYear(s): 2018Fit(s): AMG GT, AMG GT S, E63 AMG SConstruction: RadialRim: 20-in
295/30R20 is a metric radial size with a 295-millimeter section width, 30-series aspect ratio, and 20-inch rim diameter. This size appears on selected high-performance 2018 Mercedes-Benz models, but no product summary applies here. It is a model-specific 20-inch performance fitment that should be confirmed by exact model and axle position before moving forward.
Explore 295/30R20 TiresYear(s): 2018Fit(s): AMG GT CConstruction: RadialRim: 20 in
305/30R20 is a metric radial size with a 305-millimeter section width, 30-series aspect ratio, and 20-inch rim diameter. Nitto and Pro-Trac offer this size in Blackwall, RWL, and Redline versions, with a W speed rating where marked; W is rated to 168 mph. Since this size is specific to the 2018 Mercedes-Benz AMG GT C, it is the right direction for buyers preserving that car's extra-wide 20-inch rear fitment and choosing between understated or custom-style sidewall treatments.
Explore 305/30R20 TiresYear(s): 2018Fit(s): AMG GT R, E400, E43 AMGConstruction: RadialRim: 19 in
275/35R19 is a metric radial size with a 275-millimeter section width, 35-series aspect ratio, and 19-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is shared by only a few 2018 Mercedes-Benz performance and upper-series models, so it should be chosen when the car calls for a wider 19-inch fitment rather than as a general substitute.
Explore 275/35R19 TiresYear(s): 2018Fit(s): AMG GT RConstruction: RadialRim: 20-in
325/30R20 is a metric radial size with a 325-millimeter section width, 30-series aspect ratio, and 20-inch rim diameter. This size is exclusive to the 2018 Mercedes-Benz AMG GT R, but no product summary applies here. Its extra-wide format makes it a highly model-specific choice that should be matched carefully to the correct AMG GT R wheel and axle.
Explore 325/30R20 TiresYear(s): 2018Fit(s): C300, C43 AMGConstruction: RadialRim: 19 in
225/40R19 is a metric radial size with a 225-millimeter section width, 40-series aspect ratio, and 19-inch rim diameter. BFGoodrich offers this size in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This is a model-specific 19-inch size for certain 2018 Mercedes-Benz C-Class applications, making it a front-fitment style choice that should stay aligned with the car's original wheel package.
Explore 225/40R19 TiresYear(s): 2018Fit(s): C300, C350e, C43 AMGConstruction: RadialRim: 18 in
225/45R18 is a metric radial size with a 225-millimeter section width, 45-series aspect ratio, and 18-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. This size fits selected 2018 Mercedes-Benz C-Class models and works well for buyers staying with the original 18-inch fitment and a conventional modern radial profile.
Explore 225/45R18 TiresYear(s): 2018Fit(s): C300, C63 AMG, C63 AMG SConstruction: RadialRim: 19 in
245/35R19 is a metric radial size with a 245-millimeter section width, 35-series aspect ratio, and 19-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. This size is specific to certain 2018 Mercedes-Benz C-Class applications and is best chosen when the car requires a lower-profile 19-inch setup rather than an 18-inch alternative.
Explore 245/35R19 TiresYear(s): 2018Fit(s): C300, C350e, C43 AMG, C63 AMGConstruction: RadialRim: 18 in
245/40R18 is a metric radial size with a 245-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. M&H Racemaster, BFGoodrich, and Nitto offer it in Blackwall form, and speed and construction details vary by product, with W- and Y-rated street radials alongside a drag-oriented radial; W is rated to 168 mph and Y is rated to 186 mph or higher. This size serves several 2018 Mercedes-Benz C-Class variants, so buyers should confirm whether they want a conventional street radial or a more specialized performance tire before selecting.
Explore 245/40R18 TiresYear(s): 2018Fit(s): C300Construction: RadialRim: 17 in
225/50R17 is a metric radial size with a 225-millimeter section width, 50-series aspect ratio, and 17-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. Since this size is specific to the 2018 Mercedes-Benz C300 within this year and make, it suits buyers keeping the standard-style 17-inch wheel package and its taller sidewall profile.
Explore 225/50R17 TiresYear(s): 2018Fit(s): C63 AMG, CLS550Construction: RadialRim: 18 in
255/40R18 is a metric radial size with a 255-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. BFGoodrich offers this size in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is shared by selected 2018 Mercedes-Benz performance sedans and coupes, making it a targeted 18-inch fitment rather than a broad cross-line substitute.
Explore 255/40R18 TiresYear(s): 2018Fit(s): C63 AMG, C63 AMG S, CLS550, CLS63 AMG S, SL450, SL550, SL63 AMGConstruction: RadialRim: 19-in
285/30R19 is a metric radial size with a 285-millimeter section width, 30-series aspect ratio, and 19-inch rim diameter. This size appears across several 2018 Mercedes-Benz high-performance and grand-touring models, but no product summary applies here. It should be treated as a model- and axle-specific wide 19-inch fitment, especially on staggered applications.
Explore 285/30R19 TiresYear(s): 2018Fit(s): C63 AMG, CLS550Construction: RadialRim: 18 in
285/35R18 is a metric radial size with a 285-millimeter section width, 35-series aspect ratio, and 18-inch rim diameter. Nitto offers this size in Blackwall form with a W speed rating, and W is rated to 168 mph. Because this size is limited to select 2018 Mercedes-Benz applications, it is best for buyers maintaining the proper 18-inch rear-style stagger on the C63 AMG or CLS550.
Explore 285/35R18 TiresYear(s): 2018Fit(s): C63 AMGConstruction: RadialRim: 18 in
265/40R18 is a metric radial size with a 265-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. BFGoodrich offers it in Blackwall form with a Y speed rating, and Y is rated to 186 mph or higher. Since it is specific to the 2018 Mercedes-Benz C63 AMG in this year and make, it belongs to a focused performance fitment rather than a shared Mercedes-Benz size.
Explore 265/40R18 TiresYear(s): 2018Fit(s): C63 AMG S, SL63 AMG, SL65 AMGConstruction: RadialRim: 20 in
285/30R20 is a metric radial size with a 285-millimeter section width, 30-series aspect ratio, and 20-inch rim diameter. Nitto and Pro-Trac offer it in Blackwall, RWL, and Redline versions, with a W speed rating where marked; W is rated to 168 mph. This size is specific to certain 2018 Mercedes-Benz high-output models and suits buyers who need the correct 20-inch wide fitment while also choosing between more subtle or more visual sidewall styling.
Explore 285/30R20 TiresYear(s): 2018Fit(s): CLA250, SLC300Construction: RadialRim: 18 in
225/40R18 is a metric radial size with a 225-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. This is a model-specific 18-inch size for compact 2018 Mercedes-Benz applications and works for buyers staying with a lower-profile factory-style wheel package.
Explore 225/40R18 TiresYear(s): 2018Fit(s): CLA250, SLC300Construction: RadialRim: 17 in
225/45R17 is a metric radial size with a 225-millimeter section width, 45-series aspect ratio, and 17-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. Shared by the 2018 Mercedes-Benz CLA250 and SLC300, this size suits buyers keeping the original 17-inch fitment and a slightly taller sidewall than the 18-inch option.
Explore 225/45R17 TiresYear(s): 2018Fit(s): CLA250, CLA45 AMG, SLC43 AMGConstruction: RadialRim: 18 in
235/40R18 is a metric radial size with a 235-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is shared by a small group of 2018 Mercedes-Benz compact and performance models, so it should be selected only where the car calls for the wider 18-inch fitment.
Explore 235/40R18 TiresYear(s): 2018Fit(s): CLA45 AMGConstruction: RadialRim: 19 in
235/35R19 is a metric radial size with a 235-millimeter section width, 35-series aspect ratio, and 19-inch rim diameter. Nitto and BFGoodrich offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. Since this size is specific to the 2018 Mercedes-Benz CLA45 AMG, it is the appropriate choice for buyers preserving that model's sharper 19-inch performance setup.
Explore 235/35R19 TiresYear(s): 2018Fit(s): E300Construction: RadialRim: 17 in
225/55R17 is a metric radial size with a 225-millimeter section width, 55-series aspect ratio, and 17-inch rim diameter. BFGoodrich and Pro-Trac offer it in Blackwall, Wide Whitewall, RWL, and Redline forms, with W-rated versions where marked; W is rated to 168 mph. This size is specific to the 2018 Mercedes-Benz E300 here, and buyers can choose between a conventional modern appearance or a more stylized sidewall treatment depending on the look they want.
Explore 225/55R17 TiresYear(s): 2018Fit(s): E300, E400, E43 AMGConstruction: RadialRim: 19 in
245/40R19 is a metric radial size with a 245-millimeter section width, 40-series aspect ratio, and 19-inch rim diameter. BFGoodrich offers this size in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. Shared by several 2018 Mercedes-Benz E-Class variants, it is a straightforward 19-inch radial choice for buyers staying with the correct wheel diameter and profile.
Explore 245/40R19 TiresYear(s): 2018Fit(s): E300, E400Construction: RadialRim: 18 in
245/45R18 is a metric radial size with a 245-millimeter section width, 45-series aspect ratio, and 18-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is specific to selected 2018 Mercedes-Benz E-Class models and is a good match for buyers retaining the original 18-inch package rather than moving to a lower-profile 19-inch setup.
Explore 245/45R18 TiresYear(s): 2018Fit(s): E400Construction: RadialRim: 18 in
275/40R18 is a metric radial size with a 275-millimeter section width, 40-series aspect ratio, and 18-inch rim diameter. BFGoodrich, Nitto, and Pro-Trac offer it in Blackwall and Redline form, with W speed ratings where marked; W is rated to 168 mph. Because it is specific to the 2018 Mercedes-Benz E400 here, this size belongs to that model's wider 18-inch fitment and should be matched carefully to the correct wheel.
Explore 275/40R18 TiresYear(s): 2018Fit(s): E43 AMGConstruction: RadialRim: 20 in
245/35R20 is a metric radial size with a 245-millimeter section width, 35-series aspect ratio, and 20-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. This size is specific to the 2018 Mercedes-Benz E43 AMG and is the right path for buyers maintaining that model's 20-inch front-style fitment.
Explore 245/35R20 TiresYear(s): 2018Fit(s): E43 AMGConstruction: RadialRim: 20 in
275/30R20 is a metric radial size with a 275-millimeter section width, 30-series aspect ratio, and 20-inch rim diameter. Nitto offers this size in Blackwall form with a W speed rating, and W is rated to 168 mph. Since it is specific to the 2018 Mercedes-Benz E43 AMG in this year and make, it should be selected only where that exact 20-inch rear-style fitment is required.
Explore 275/30R20 TiresYear(s): 2018Fit(s): E63 AMG SConstruction: RadialRim: 20 in
265/35R20 is a metric radial size with a 265-millimeter section width, 35-series aspect ratio, and 20-inch rim diameter. Nitto, BFGoodrich, and Pro-Trac offer it in Blackwall, Redline, and RWL forms, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is specific to the 2018 Mercedes-Benz E63 AMG S, giving buyers a choice between understated black sidewalls and more custom visual treatments while keeping the correct 20-inch fitment.
Explore 265/35R20 TiresYear(s): 2018Fit(s): Maybach S560, Maybach S650, S450, S560Construction: RadialRim: 20 in
245/40R20 is a metric radial size with a 245-millimeter section width, 40-series aspect ratio, and 20-inch rim diameter. BFGoodrich, Nitto, and Pro-Trac offer it in Blackwall and RWL form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size serves several 2018 Mercedes-Benz S-Class and Maybach models and is the correct direction for buyers keeping the larger 20-inch luxury-performance wheel package.
Explore 245/40R20 TiresYear(s): 2018Fit(s): Maybach S560, Maybach S650, S450, S560Construction: RadialRim: 19 in
245/45R19 is a metric radial size with a 245-millimeter section width, 45-series aspect ratio, and 19-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. Shared by several 2018 Mercedes-Benz full-size luxury models, this size fits buyers keeping the 19-inch wheel package and the original-style balance of sidewall height and wheel diameter.
Explore 245/45R19 TiresYear(s): 2018Fit(s): Maybach S560, Maybach S650, S450, S560Construction: RadialRim: 20 in
275/35R20 is a metric radial size with a 275-millimeter section width, 35-series aspect ratio, and 20-inch rim diameter. BFGoodrich, Nitto, and Pro-Trac offer it in Blackwall and RWL form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This is a shared 20-inch fitment for selected 2018 Mercedes-Benz S-Class and Maybach rear applications, so buyers should verify whether their car uses the 19-inch or 20-inch wheel package before choosing.
Explore 275/35R20 TiresYear(s): 2018Fit(s): Maybach S560, Maybach S650, S450, S560Construction: RadialRim: 19 in
275/40R19 is a metric radial size with a 275-millimeter section width, 40-series aspect ratio, and 19-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is shared by several 2018 Mercedes-Benz flagship luxury models and is the proper match when the car carries the corresponding 19-inch rear-style fitment.
Explore 275/40R19 TiresYear(s): 2018Fit(s): S450Construction: RadialRim: 18 in
245/50R18 is a metric radial size with a 245-millimeter section width, 50-series aspect ratio, and 18-inch rim diameter. Pro-Trac offers this size in RWL and Redline versions. Because it is specific to the 2018 Mercedes-Benz S450 here, this size is a focused 18-inch fitment for buyers who want to stay with that wheel package while choosing a more distinctive sidewall look.
Explore 245/50R18 TiresYear(s): 2018Fit(s): S63 AMG, S65 AMGConstruction: RadialRim: 20 in
255/40R20 is a metric radial size with a 255-millimeter section width, 40-series aspect ratio, and 20-inch rim diameter. BFGoodrich offers it in Blackwall form with a Y speed rating, and Y is rated to 186 mph or higher. Shared only by the 2018 Mercedes-Benz S63 AMG and S65 AMG, this size belongs to a specialized AMG front fitment and should be kept paired with the proper rear size.
Explore 255/40R20 TiresYear(s): 2018Fit(s): S63 AMG, S65 AMGConstruction: RadialRim: 20 in
285/35R20 is a metric radial size with a 285-millimeter section width, 35-series aspect ratio, and 20-inch rim diameter. BFGoodrich, Nitto, and Pro-Trac offer it in Blackwall and RWL form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is specific to the 2018 Mercedes-Benz S63 AMG and S65 AMG rear fitment, so it should be chosen as part of the correct staggered 20-inch AMG setup.
Explore 285/35R20 TiresYear(s): 2018Fit(s): SLC300Construction: RadialRim: 18 in
245/35R18 is a metric radial size with a 245-millimeter section width, 35-series aspect ratio, and 18-inch rim diameter. BFGoodrich offers it in Blackwall form with a W speed rating, and W is rated to 168 mph. Since it is specific to the 2018 Mercedes-Benz SLC300, this size is best for buyers keeping that model's low-profile 18-inch rear-style fitment.
Explore 245/35R18 TiresYear(s): 2018Fit(s): SLC300Construction: RadialRim: 17 in
245/40R17 is a metric radial size with a 245-millimeter section width, 40-series aspect ratio, and 17-inch rim diameter. BFGoodrich offers this size in Blackwall form, with W- and Y-rated versions depending on product; W is rated to 168 mph and Y is rated to 186 mph or higher. This size is specific to the 2018 Mercedes-Benz SLC300 and suits buyers preserving that model's 17-inch rear-style wheel package.
Explore 245/40R17 TiresYear(s): 2018Fit(s): SLC43 AMGConstruction: RadialRim: 18 in
255/35R18 is a metric radial size with a 255-millimeter section width, 35-series aspect ratio, and 18-inch rim diameter. BFGoodrich and Nitto offer it in Blackwall form, and the available products carry W speed ratings, which are rated to 168 mph. Since this size is specific to the 2018 Mercedes-Benz SLC43 AMG, it should be selected as part of that model's dedicated 18-inch performance fitment.
Explore 255/35R18 Tires2018 Mercedes-Benz Models
Twenty-eight Mercedes-Benz model cores are covered for 2018, ranging from compact front-line cars to flagship sedans and AMG halo models. Tire size varies significantly by model, and many applications also use staggered front-and-rear fitments, so identifying the exact model matters before choosing a size. Select a model below for model-specific fitment history and products.
2018 Mercedes-Benz AMG GT
The AMG GT was Mercedes-Benz's front-mid-engine performance flagship, aimed squarely at high-speed grand touring and track-capable road use. Its fitments span 19-inch and 20-inch applications, reflecting staggered performance setups and the car's wide rear tire requirements.
Associated Tire Sizes:
- 255/35R19 — radial, performance street fitment
- 265/35R19 — radial, wider 19-inch performance fitment
- 295/30R19 — radial, model-specific wide rear fitment
- 295/30R20 — radial, 20-inch wide performance fitment
2018 Mercedes-Benz AMG GT C
The AMG GT C added extra width and a more aggressive setup than the standard GT, borrowing some of the visual and chassis presence of the upper-tier cars. Its tires mount on 19-inch and 20-inch wheels, with a notably wide rear application.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz AMG GT C Tires →2018 Mercedes-Benz AMG GT R
The AMG GT R was the most track-focused street variant in the lineup, developed with a sharper aerodynamic and chassis brief than the GT or GT S. Its setup uses 19-inch front and 20-inch rear tires, underscoring its dedicated staggered performance character.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz AMG GT R Tires →2018 Mercedes-Benz AMG GT S
The AMG GT S split the difference between the standard GT and the more extreme GT family members, with a stronger performance emphasis and broader rear rubber. It uses 19-inch front and 20-inch rear wheel diameters in its staggered layout.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz AMG GT S Tires →2018 Mercedes-Benz C300
The C300 was the volume core of the C-Class range, balancing daily-driver comfort with the compact luxury-sport character Mercedes-Benz is known for. Depending on wheel package, it appears with 17-, 18-, and 19-inch tire fitments, including both square and staggered-style combinations across the range.
Associated Tire Sizes:
- 225/40R19 — radial, 19-inch front-style fitment
- 225/45R18 — radial, standard 18-inch fitment
- 245/35R19 — radial, lower-profile 19-inch fitment
- 245/40R18 — radial, wider 18-inch fitment
- 255/35R19 — radial, wider 19-inch fitment
- 225/50R17 — radial, taller-sidewall 17-inch fitment
2018 Mercedes-Benz C350e
The C350e brought plug-in hybrid capability to the C-Class without abandoning the familiar Mercedes-Benz compact luxury formula. Its tires mount on 18-inch wheels, making size selection more straightforward than on some of the more heavily optioned C-Class variants.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz C350e Tires →2018 Mercedes-Benz C43 AMG
The C43 AMG served as a fast road version of the C-Class, blending everyday usability with sharper AMG tuning and more aggressive wheel-and-tire choices. It uses 18-inch and 19-inch fitments, depending on wheel package and axle position.
Associated Tire Sizes:
- 225/40R19 — radial, 19-inch front-style fitment
- 225/45R18 — radial, 18-inch front-style fitment
- 245/40R18 — radial, wider 18-inch fitment
- 255/35R19 — radial, wider 19-inch fitment
2018 Mercedes-Benz C63 AMG
The C63 AMG was the V8-powered muscle entry in the compact Mercedes-Benz world, known for combining C-Class dimensions with serious straight-line and cornering capability. Its tire fitments range across 18-inch and 19-inch combinations, reflecting the model's broader staggered performance setup options.
Associated Tire Sizes:
- 255/35R19 — radial, 19-inch wide performance fitment
- 255/40R18 — radial, 18-inch wide fitment
- 285/30R19 — radial, wide 19-inch rear fitment
- 285/35R18 — radial, wide 18-inch rear fitment
- 245/35R19 — radial, lower-profile 19-inch fitment
- 245/40R18 — radial, 18-inch performance fitment
- 265/35R19 — radial, wider 19-inch fitment
- 265/40R18 — radial, 18-inch wide performance fitment
2018 Mercedes-Benz C63 AMG S
The C63 AMG S sharpened the C63 formula further, with a more focused performance brief and even more aggressive wheel-and-tire combinations. Its fitments use 19-inch and 20-inch applications, making exact front and rear size confirmation especially important.
Associated Tire Sizes:
- 255/35R19 — radial, 19-inch performance fitment
- 285/30R19 — radial, wide 19-inch rear fitment
- 285/30R20 — radial, 20-inch wide rear fitment
- 245/35R19 — radial, lower-profile 19-inch fitment
- 265/35R19 — radial, wide 19-inch fitment
2018 Mercedes-Benz CLA250
The CLA250 brought Mercedes-Benz styling into a smaller, coupe-like sedan package with a sportier visual attitude than a conventional compact sedan. It uses 17-inch and 18-inch tire packages depending on wheel choice.
Associated Tire Sizes:
- 225/40R18 — radial, lower-profile 18-inch fitment
- 225/45R17 — radial, standard 17-inch fitment
- 235/40R18 — radial, wider 18-inch fitment
2018 Mercedes-Benz CLA45 AMG
The CLA45 AMG turned the compact CLA platform into a high-output AMG package with a much stronger emphasis on grip, quick response, and aggressive visual stance. Its tire fitments mount on 18-inch and 19-inch wheels, depending on the setup.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz CLA45 AMG Tires →2018 Mercedes-Benz CLS550
The CLS550 carried Mercedes-Benz's four-door coupe theme with a more dramatic body shape than the E-Class and a broader grand-touring feel. Its tire combinations use 18-inch and 19-inch fitments with wide rear applications.
Associated Tire Sizes:
- 255/35R19 — radial, 19-inch wide fitment
- 255/40R18 — radial, 18-inch wide fitment
- 285/30R19 — radial, wide 19-inch rear fitment
- 285/35R18 — radial, wide 18-inch rear fitment
2018 Mercedes-Benz CLS63 AMG S
The CLS63 AMG S took the sleek CLS shape and paired it with a much more serious AMG performance mission. Its fitment uses 19-inch staggered sizing, with a wider rear tire than the front.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz CLS63 AMG S Tires →2018 Mercedes-Benz E300
The E300 was the mainstream E-Class sedan, aimed at buyers who wanted a traditional midsize Mercedes-Benz with comfort, refinement, and restrained sportiness. Its fitments span 17-, 18-, and 19-inch wheel packages depending on configuration.
Associated Tire Sizes:
- 225/55R17 — radial, taller-sidewall 17-inch fitment
- 245/40R19 — radial, lower-profile 19-inch fitment
- 245/45R18 — radial, standard 18-inch fitment
2018 Mercedes-Benz E400
The E400 added more power and a stronger grand-touring character to the E-Class while retaining the model's refined long-distance demeanor. Its tire fitments use 18-inch and 19-inch staggered combinations with wider rear sizing.
Associated Tire Sizes:
- 245/40R19 — radial, 19-inch front-style fitment
- 245/45R18 — radial, 18-inch front-style fitment
- 275/35R19 — radial, wide 19-inch rear fitment
- 275/40R18 — radial, wide 18-inch rear fitment
2018 Mercedes-Benz E43 AMG
The E43 AMG blended E-Class comfort with a more aggressive AMG chassis and visual package, making it a true fast-road sedan. It appears with 19-inch and 20-inch staggered fitments, so front and rear sizes should be verified separately.
Associated Tire Sizes:
- 245/35R20 — radial, 20-inch front-style fitment
- 245/40R19 — radial, 19-inch front-style fitment
- 275/30R20 — radial, 20-inch rear fitment
- 275/35R19 — radial, 19-inch rear fitment
2018 Mercedes-Benz E63 AMG S
The E63 AMG S was one of the most potent sedans in the Mercedes-Benz range, pairing luxury sedan practicality with supercar-level acceleration and serious road performance. Its fitment uses 20-inch staggered sizing with wide rear rubber.
Associated Tire Sizes:
- 265/35R20 — radial, 20-inch front-style performance fitment
- 295/30R20 — radial, wide 20-inch rear fitment
2018 Mercedes-Benz Maybach S560
The Maybach S560 sat at the ultra-luxury end of the Mercedes-Benz range, focusing on isolation, rear-seat comfort, and flagship presence. Its tire packages use 19-inch and 20-inch diameters depending on wheel specification, with wider rear sizing.
Associated Tire Sizes:
- 245/40R20 — radial, 20-inch front-style fitment
- 245/45R19 — radial, 19-inch front-style fitment
- 275/35R20 — radial, 20-inch rear fitment
- 275/40R19 — radial, 19-inch rear fitment
2018 Mercedes-Benz Maybach S650
The Maybach S650 was the most exclusive regular-production Mercedes-Benz sedan of the year, combining flagship luxury with an even more formal, chauffeur-focused identity. Like the S560 Maybach, it uses 19-inch and 20-inch staggered fitments depending on wheel package.
Associated Tire Sizes:
- 245/40R20 — radial, 20-inch front-style fitment
- 245/45R19 — radial, 19-inch front-style fitment
- 275/35R20 — radial, 20-inch rear fitment
- 275/40R19 — radial, 19-inch rear fitment
2018 Mercedes-Benz S450
The S450 was the entry point into the full-size S-Class family, but still delivered the traditional Mercedes-Benz flagship experience in comfort and road manners. Its fitments include 18-, 19-, and 20-inch wheel packages, depending on equipment level.
Associated Tire Sizes:
- 245/50R18 — radial, 18-inch standard fitment
- 245/40R20 — radial, 20-inch front-style fitment
- 245/45R19 — radial, 19-inch front-style fitment
- 275/35R20 — radial, 20-inch rear fitment
- 275/40R19 — radial, 19-inch rear fitment
2018 Mercedes-Benz S560
The S560 represented the core V8-powered S-Class formula, combining long-distance composure with effortless performance. Its tire fitments use 19-inch and 20-inch staggered combinations depending on the wheel package.
Associated Tire Sizes:
- 245/40R20 — radial, 20-inch front-style fitment
- 245/45R19 — radial, 19-inch front-style fitment
- 275/35R20 — radial, 20-inch rear fitment
- 275/40R19 — radial, 19-inch rear fitment
2018 Mercedes-Benz S63 AMG
The S63 AMG fused full-size S-Class luxury with AMG performance, creating a flagship sedan that still needed serious staggered rubber to support its output. Its tires mount on 20-inch wheels front and rear, with a wider rear size.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz S63 AMG Tires →2018 Mercedes-Benz S65 AMG
The S65 AMG carried an even more exclusive AMG identity within the S-Class line, emphasizing effortless high-speed touring and flagship status. Like the S63 AMG, it uses a 20-inch staggered setup with a wider rear tire.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz S65 AMG Tires →2018 Mercedes-Benz SL450
The SL450 continued the long-running SL tradition as a luxury roadster with a strong grand-touring bias rather than a pure track mission. Its fitment uses 19-inch staggered sizing with a wider rear tire.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz SL450 Tires →2018 Mercedes-Benz SL550
The SL550 added V8 power to the SL roadster formula, giving the car more of the effortless high-speed character that long defined the nameplate. It uses the same 19-inch staggered concept as the SL450, with a wider rear size than the front.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz SL550 Tires →2018 Mercedes-Benz SL63 AMG
The SL63 AMG turned the luxury SL into a much more aggressive performance roadster while still retaining its grand-touring roots. Its fitments include 19-inch and 20-inch rear applications, so exact wheel package confirmation matters.
Associated Tire Sizes:
- 255/35R19 — radial, 19-inch front-style fitment
- 285/30R19 — radial, 19-inch rear fitment
- 285/30R20 — radial, 20-inch rear fitment
2018 Mercedes-Benz SL65 AMG
The SL65 AMG sat at the top of the SL range, pairing the traditional SL roadster layout with the most exclusive AMG character in the line. Its fitment uses a 19-inch front tire and a 20-inch rear tire, making it one of the more specialized staggered setups in the range.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz SL65 AMG Tires →2018 Mercedes-Benz SLC300
The SLC300 was the compact hardtop roadster in the Mercedes-Benz lineup, emphasizing nimble proportions and a more intimate driving feel than the SL. Its tire fitments use 17-inch and 18-inch packages depending on wheel choice.
Associated Tire Sizes:
- 225/40R18 — radial, 18-inch front-style fitment
- 225/45R17 — radial, 17-inch front-style fitment
- 245/35R18 — radial, 18-inch rear fitment
- 245/40R17 — radial, 17-inch rear fitment
2018 Mercedes-Benz SLC43 AMG
The SLC43 AMG gave the compact SLC roadster a stronger AMG edge without losing the platform's lighter, smaller-scale character. Its fitment uses an 18-inch staggered setup with a wider rear tire.
Associated Tire Sizes:
Explore 2018 Mercedes-Benz SLC43 AMG Tires →Best 2018 Mercedes-Benz Tires for Sale
One hundred twenty-three products are available across 37 tire sizes for 2018 Mercedes-Benz vehicles. Coverage includes 255/35R19 with 3 BFGoodrich radial Blackwall options, 245/40R18 with 7 M&H Racemaster, BFGoodrich, and Nitto radial Blackwall options, and sizes such as 305/30R20, 285/30R20, 265/35R20, 245/40R20, 275/35R20, 245/50R18, and 225/55R17 with Blackwall plus RWL, Redline, or Wide Whitewall choices. Confirm the exact size first, since speed ratings can vary within some sizes.
Frequently Asked Questions
The FAQ below sorts out how 2018 Mercedes-Benz tire sizes change from model to model, which applications use staggered fitments, where sidewall style choices open up, and what to check before putting a low-use luxury or AMG car back on the road.