Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 G550.
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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 49 · 850 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 | 177094000464 |
| Fuel filter | 1724700400 |
| Spark plug | 0001590500 |
| Battery | 0019828208 alt 000982960864 |
| Front wiper blades | 4638200545 |
| Thermostat | 1772008801 |
Capacities, torques and tune-up values from the factory service manual.
Torque lug nuts to 96 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 | 96 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 | 49 |
| Standard BCI Cranking Performance | 850 cca |
| Engine Compression | 189 |
| Brake Caliper Bolt to Carrier Torque | Front: NS; Rear: 21 |
| Brake Caliper Carrier to Hub Bolt Torque | Rear: 86 ft-lbs |
| Vented Rotor Minimum Thickness for Replacement | Front: .511; Rear: .551 |
| Maximum Rotor Runout | Front: .0039; Rear: .0039 |
| 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 1 of 1 campaigns on record for this vehicle.
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 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.