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Home >> Mercedes Benz >> 2007 >> R63 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 251 Chassis - 1 Of 4 >> Basic Knowledge >> Relay assignment of the load compartment fuse and relay box - GF54.15-P-1257-08RT

Relay assignment of the load compartment fuse and relay box - GF54.15-P-1257-08RT

Relay assignment before production period 31.05.2006 

Fig 1: Load Compartment Fuse And Relay Box - Up To 31.05.2006
G07005512Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The fuse and relay box is installed in the spare wheel well in the bottom right of the load area.

Relay assignment as of production period 01.06.2006 

Fig 2: Load Compartment Fuse And Relay Box - As Of 01.06.2006
G07005513Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The fuse and relay box is installed in the spare wheel well in the bottom right of the load area.

Relays Designation
K Before production period 31.05.2006 
  • Terminal 15R power outlet relay, with power-down

As of production period 01.06.2006 
  • Circuit 15R seat adjustment
L Valid for code 550 Trailer hitch: 
Terminal 30X
M Heated rear window relay
N Circuit 15 relay/terminal 87FW
O Fuel pump relay
P Rear wiper relay
R Circuit R relay 15R
S -
T As of production period 01.06.2006 
  • Circuit 30, socket 2nd seat row and load compartment
U As of production period 01.06.2006 
  • Circuit 30, trailer
V As of production period 01.06.2006 
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