Owners Manual

Relays in the seat base of the left front seat
No. Relays Description
R1 Unassigned —
R2 K41 Load relief relay, terminal 15
R3 K41/3 Load relief relay, terminal 15 (2)
R4 K64
K110
K41/5
Air injection/SAP relay
SCR
10
relay, vehicles with exhaust gas
aftertreatment
Starter relay, terminal 15
R5 K13/5 Rear window defroster relay 1
R6 K13/6 Rear window defroster relay 2
R7 K41/2 Load relief relay, terminal 15 R
R8 K6/1 Starter relay, additional battery
R9 K31/7 Windshield heating relay1
R10 K23/1 Blower relay, front, blower setting 1
R11 K117/3 Electrical step relay 1, sliding door, left
R12 K117/4 Electrical step relay 2, sliding door, left
R13 Unassigned —
R14 Unassigned —
R15 K88 Body manufacturer relay, terminal 15
10
Selective Catalytic Reduction
250
Electrical system
Practical advice