The Mercedes-Benz W205 C-Class (2015–2021) is built on the platform, which uses extensive aluminum to reduce weight by approximately 220 lbs compared to its predecessor. Finding a comprehensive parts diagram for this chassis requires navigating several key systems, from the suspension to the interior. Where to Access W205 Parts Diagrams
The W205 offered halogen, static LED (ILs), and (code 642). The diagram for Multibeam shows:
The W205 was offered with RWD, 4MATIC (permanent all-wheel drive), and the Drift Mode setup on the C63. Mercedes W205 Parts Diagram
Every OEM diagram uses a standard numbering system. For the W205, look for these Group numbers:
The W205 uses a mechanical coolant pump, but the AMG models use an electric auxiliary pump. The diagram reveals the "Y" splitter for the heater core and the specific clips holding the hoses to the intake manifold. Pro tip: Look for part # A 205 203 00 00 —the expansion tank—which is known to develop hairline cracks near the seam. The Mercedes-Benz W205 C-Class (2015–2021) is built on
Avoid a headache by knowing where your power is coming from. The W205 has four main fuse locations: Engine Compartment: Usually driver-side, near the firewall. Front Passenger Footwell: Tucked under the carpet/dash. Behind the right-hand side panel. Dashboard: On the side panel (accessible when the door is open). D. Interior & Body Trim
The W205 uses a (McPherson strut with lower control arms). The diagram typically shows: The diagram for Multibeam shows: The W205 was
This is the most valuable section for collision repair. The for the body shows "pressed parts" (spot welded) versus "bolt-on parts."
If you are ordering parts, these are the standard categories you will see in an EPC or catalog like Typical Parts Included Pads, Discs, Wear Sensors, Calipers Filtration Oil, Air, Cabin (Pollen), and Fuel Filters Shock Absorbers, Coil Springs, Strut Mounts MULTIBEAM LED units, Rear tail lights, sensors Pro-Tip: The "Data Card" Before you dive into a diagram, pull your
Before diving into the nuts and bolts, it is critical to understand why a visual diagram is superior to a simple text list.
Heated seats failing? The diagram distinguishes between the seat heater pad (Part # A 205 900 32 01 ) and the control module (located under the seat foam). The exploded view proves you do not need to buy a full seat assembly to replace a single blower fan for the ventilated seats.