Second Hand Mercedes-Benz EQA Transfer Box

No — the EQA is a fully electric vehicle and does not have a transfer box in the conventional sense. The four-wheel-drive EQA 350 4MATIC variant uses two separate electric motors (one per axle) to distribute drive, so there is no mechanical transfer box, propshaft, or centre differential to transfer. If your EQA has a drivetrain fault, the part you are actually looking for is more likely to be an electric motor, power electronics unit, or rear drive module — confirm the exact component with a breaker or a Mercedes specialist against your registration.

Because the EQA 4MATIC uses twin electric motors rather than a conventional transfer box, a drivetrain warning almost certainly points to something else — typically the rear electric motor, inverter, or associated power electronics rather than any mechanical torque-splitting unit. There is no transfer box on any EQA variant, so a 'transfer box' fault code or diagnosis is unlikely to be relevant to this vehicle. You should speak to a breaker or Mercedes-Benz specialist and quote your full VIN so they can identify the correct electric drivetrain component you need.

No — the rear-wheel-drive and front-wheel-drive EQA variants (including the EQA 250 and EQA 300) use a single electric motor driving one axle and have no transfer box whatsoever. Even the 4MATIC all-wheel-drive variants replace the transfer box function with a second independent electric motor, so the part simply does not exist across the entire EQA range. If you are searching for a used drivetrain component, describe your symptoms to a breaker alongside your registration so they can identify the correct electric motor or drive unit.

This question does not apply in the usual sense — neither the EQA nor the EQB uses a mechanical transfer box, as both are fully electric vehicles that achieve all-wheel drive through twin motors rather than a conventional transfer case. If you are looking for an electric drive module or rear motor, the EQA and EQB use different platform configurations and the parts are unlikely to be interchangeable; always check with a breaker against both full VINs before purchasing. Confirm exactly which drivetrain component you need with a specialist first.

Possibly — on conventional combustion or hybrid vehicles, a power transfer unit (PTU) or rear drive module performs a similar torque-distribution function to a transfer box, but on the fully electric EQA these roles are handled by the electric motor assemblies and their inverters. The terminology used by breakers may vary, so it is worth describing your fault clearly and quoting your full VIN and motor code (visible on the V5 or a VIN check) so they can match the correct component. Do not purchase any used electric drivetrain part without first confirming with the breaker whether ECU pairing or coding to your vehicle will be required.