Mercedes-Benz GLE550e high beam and low beam headlight bulbs both use H7 size. The replacement chart covers 2016 to 2018 production years with bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The H7 bulb is a single-filament halogen type operating at 55 watts on a 12-volt system, housed in a compact capsule with a PX26d base, which is a two-pin bayonet-style connector.
The Mercedes-Benz GLE550e uses the H7 bulb across all three model years (2016-2018) in both the high beam and low beam headlight positions.
The H7 standard places the filament at a precisely defined position within the bulb, which is critical for proper light projection through a reflector or projector housing. Substituting a physically similar bulb with a different filament position can cause misaligned beam patterns.
Because the GLE550e shares the same H7 specification for both high and low beam positions, the two positions use physically identical bulbs, though they operate independently within separate optical assemblies.
H7 bulbs are not interchangeable with H4 bulbs, which are dual-filament types, or with H11 bulbs, which share a similar wattage but use a different PGJ19-2 base and are physically incompatible with H7 sockets.
Some aftermarket H7 variants, including higher-wattage performance types, may exceed the factory wiring and socket ratings designed around the standard 55-watt specification, which can affect socket integrity over time.