Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 AMG GT C.
The 2018 Mercedes AMG GT C is documented in this reference entry as a specific variant within the AMG GT lineup, identified by its C designation denoting a higher-performance configuration within the broader model range. As a model year falling within the middle of the AMG GT's production cycle, the 2018 GT C occupies a position where early-production refinements would typically have been incorporated, though the available source data does not include detailed specifications, reliability ratings, or known issue histories for this particular year and trim. Researchers consulting this entry should note that the provided reference material contains only the vehicle's identification and overview title, meaning a complete technical characterization—including body style, platform details, engine specifications, and reliability context—cannot be reliably assembled from the available data without introducing unverified information.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 47 · 60 O.E. AmpHrs CCA battery, OE oil filter 0309970748. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 0309970748 alt 278180000990 |
| Engine air filter | 178094000464 |
| Fuel filter | 1724700400 |
| Spark plug | 0001590500 |
| Battery | 0009826925 |
| Front wiper blades | 1978200645 |
| Thermostat | 1772008801 |
Engine, drivetrain, dimensions and economy.
| Overall length | 179.1 in |
| Overall width | 76.4 in |
| Overall height | 50.8 in |
| Wheelbase | 103.5 in |
| Curb weight | 3627 lb |
| Track (front / rear) | 66.1 / 65 in |
| Weight distribution (front / rear) | 52/48 |
Capacities, torques and tune-up values from the factory service manual.
Torque lug nuts to 133 ft-lbs. The firing order is 1-5-4-2-6-3-7-8. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
| Oxygen (O2S) Sensor Bolt(s) | 30.0 ft-lbs |
| Knock Sense (KS) Bolt(s) | 16.0 ft-lbs |
| Intake Manifold to Engine Bolts | 9.6 ft-lbs |
| Oil Pump to Cylinder BLock Bolts/Studs | 18.0 ft-lbs |
| Lug Nuts | 133 ft-lbs |
| Cylinder Firing Order | 1-5-4-2-6-3-7-8 |
| Spark Plug Manufacturer | Mercedes-Benz |
| Spark Plug Gap | .031 in |
| Spark Plug Torque | 16 ft-lbs |
| Standard BCI Group Number | 47 |
| Standard BCI Cranking Performance | 60 O.E. AmpHrs cca |
| Optional BCI Group Number | 48 |
| Optional BCI Cranking Performance | 80 O.E. AmpHrs cca |
| Engine Compression | 189 |
| Brake Caliper Bolt to Carrier Torque | Front: 18; Rear: 26 |
| Brake Caliper Carrier to Hub Bolt Torque | Front: 89; Rear: 81 |
| Vented Rotor Minimum Thickness for Replacement | Front: 1.299; Rear: .945 |
| 1 | 44.0 inch lbs., Step 2: 22.0 ft. lbs., Step 3: 90 | 44 in |
| 1 | 148.0 ft. lbs., Step 2: 90 | 148 ft. lbs |
Prep Do not reuse old bolts. Use new bolts coated with clean engine oil. Tighten all bolts to finger tight then continue on with the following procedure.
| 1 | Bolts 1-11 | 30 ft. lbs |
| 2 | Bolts 1-11 | 90 degrees |
| 3 | Bolts 1-11 | 90 degrees |
| 4 | Bolt 11 | 11 ft. lbs |
| 1 | 15.0 ft. lbs., Step 2: 33.0 ft. lbs., Step 3: 90 | 15 ft. lbs |
| 1 | 10.3 ft. lbs. | 10.3 ft. lbs |
| 2 | 10.3 ft. lbs. | 10.3 ft. lbs |
| 3 | 10.3 | |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 4 campaigns on record for this vehicle.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz AMG GT Cabrio and AMG GT-C Cabrio vehicles. Due to a software incompatibility, in the event of a low speed crash, both stages of the frontal air… Remedy: MBUSA will notify owners, and dealers will update the air bag control unit software, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service…
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class… Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12…
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
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Cross-vehicle references for the kinds of data on this page.
NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.