Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 GLS63 AMG.
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 2781840280 |
| Spark plug | 0041598103 |
| Battery | 000982960864 alt 0019828208 |
| Front wiper blades | 166820104528 |
| Thermostat | 2782010280 alt 2782001700 |
| Cabin air filter | 1668300218 |
Capacities, torques and tune-up values from the factory service manual.
Torque lug nuts to 110 ft-lbs, the oil drain plug to 20.0 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.
| Crankshaft Position (CKP) Sensor Bolt(s) | 7.4 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 7.4 ft-lbs |
| Oxygen (O2S) Sensor Bolt(s) | 31.0 ft-lbs |
| Knock Sense (KS) Bolt(s) | 16.0 ft-lbs |
| Intake Manifold to Engine Bolts | 6.6 ft-lbs |
| Oil Pan to Block Bolts | 9.0 ft-lbs |
| Engine Oil Pan Drain Plug | 20.0 ft-lbs |
| Lug Nuts | 110 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 | 17 ft-lbs |
| Standard BCI Group Number | 49 |
| Standard BCI Cranking Performance | 850 cca |
| Optional BCI Group Number | Auxiliary: 400 |
| Optional BCI Cranking Performance | Auxiliary: 200 cca |
| Engine Compression | 174 |
| 1 | 44.0 inch lbs., Step 2: 18.0 ft. lbs., Step 3: 90 | 44 in |
| 1 | 148.0 ft. lbs., Step 2: 180 | 148 ft. lbs |
Prep Do not reuse old bolts. Coat new bolts lightly with specified motor oil.
| 1 | Bolts 1-10 | 15 ft. lbs |
| 2 | Bolts 1-10 | 30 ft. lbs |
| 3 | Bolts 1-10 | 90 degrees |
| 4 | Bolts 1-10 | 90 degrees |
| 5 | Bolts 1-10 | 90 degrees |
| 6 | 10.0 | |
| 1 | 15.0 ft. lbs., Step 2: 33.0 ft. lbs., Step 3: 90 | 15 ft. lbs |
| 1 | 44.0 inch lbs., Step 2: 15.0 | 44 in |
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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