Mercedes 280Se Heater Cores Price $349.00 Prev Next Product Description Who makes a heater core for the 280SE? We do. If you are searching for an obsolete, one-off or hard to find copper and brass Mercedes heater core you are not alone and you may be in luck. We make our own cores and fabricate our own tanks so, naturally, we get asked to build custom heater cores or "small radiators." If you need another heater core core for a different year or model ...You may mail your contact information, the heater core and assembly to: The Brassworks 500 Linne Road - Unit I Paso Robles, CA 93446 Email email@example.com when shipping the heater core so we know its in route. You may also fax a drawing with dimensions to 805-239-2545 to get the process started.