The P0303 code in your 2022 Mercedes-Benz GLE indicates the engine control module has identified cylinder 3 as experiencing misfires beyond acceptable limits. The W167 generation offers the M264/M254 2.0L turbo four-cylinder, M256 3.0L turbo inline-six, and M176 4.0L twin-turbo V8. Understanding your engine configuration ensures accurate diagnosis.
Cylinder 3 Configuration by Engine
Inline engines position cylinder 3 third from the front. The M176 V8 places cylinder 3 on one bank of the V-configuration. Know your engine to locate components correctly.
Engine Characteristics
The four-cylinder powers GLE350 with efficiency. The M256 inline-six provides smooth power in GLE450. The M176 V8 delivers AMG performance. All feature advanced technology.
Common P0303 Causes at Two to Three Years
At this relatively young age, most misfires stem from ignition component issues or fuel quality problems. Manufacturing variations cause early failure. Carbon buildup begins affecting airflow.
Mid-Size Luxury SUV Standards
The GLE sets standards in its segment. Any misfire affects the refined driving experience expected.