Relay assignment of fuse and relay box in left side of engine compartment - GF54.15-P-1257-03LE

MODEL 216.3, 221.0 /1 as of Model Year 2009 /AEJ 08 

Fig 1: Identifying Front SAM Control Unit With Fuse And Relay Module

Courtesy of MERCEDES-BENZ USA

Socket	Designation
A	Air pump relay (N10/1kA)
B	Air suspension compressor relay (N10/1kB)
C	Terminal 87 relay, engine (N10/1kC)
D	Terminal 15 relay (N10/1kD)
R	Terminal 87 relay, chassis (N10/1kE)
F	Fanfare horn relay (N10/1kF)
G	Terminal 15R relay (N10/1kG)
H	Circuit 50 relay, starter (N10/1kH)
J	Circuit 15 relay, starter (N10/1kJ)
K	Wiper park heater relay (N10/1kK)