The back SAM bloc (W221) has the following relays and fuses:
Rely M-terminal 15.N-cell 15R. -outlet of the rear glass .Q-Pressure blower Pair pump chiller .S = fuel pump.
- M-cell 15.
- N-terminals 15R.
- -Angers.
- P-is heating the rear window.
- Q-charge air cooler.
- R-cigarette lighter.
- S = fuel pump
fuse
- 116-rear window heating.
- 117-rear flipper.
- 118-fuel pump.
- 119-central control panel.
- 120-reserve.
- 121-audio-assembly unit.
- 122 is the command system module.
- 123, 124 in the front seat belt.
- 125-reserve.
- 126-Control panel.
- 127-seat adjustment pump.
- 128-fuel pump unit.
- 129-Control panel.
- 130. Parking brake module.
- 131-amplifiers of the antenna over the rear window.
- 133-Trailer detection system unit.
- 134 is in the trunk.
- 135-parktronic.
- 136, 137, 138-reserve.
- 139 is the fridge in the back seat.
- 140-slot 12 B.
- A 141-block of rear-door camera.
- 142 systems are a parctronic and a dystroker.
- 143, 144 rear seat control.
- 145, 146-Trailer detection system unit.
- 147-box of the remote closing system of the trunk lid.
- 148-mobile phone interface control unit.
- 149-voice-control system unit.
- 150-TV tuner.
- 151. Parking brake module.
- 152 antenna amplifiers over rear glass