Spare
Spare
Stationary heater unit (A6) (with CODE 228 (Stationary heater))
Alarm siren (H3/1) (with CODE 551 (Anti-theft alarm system (ATA [EDW])))
Electronic Stability Program control unit (N30/4) or regenerative braking system control unit (N30/6) (with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Switched via horn relay (F58kJ): Left horn (H2), right horn (H2/1)
Spare
Via circuit 30/2 connector sleeve (front lamp unit) (Z194/5) to the left front actuation module, LED exterior lighting (E1n7) and the right front actuation module, LED exterior lighting (E2n7) (with CODE 640 (High-performance LED) or CODE 641 (Dynamic left-hand traffic LED headlamp) or CODE 642 (Dynamic right-hand traffic LED headlamp))
Coolant trailing pump relay (K108/3) (with engine 278 and engine 157)
Via turbocharger relay (F58kO) (control circuit) to powertrain control unit (N127) (on model 166.063)
Spare
Via circuit 30/1 connector sleeve (front lamp unit) (Z194/4) to left headlamp control unit (E1n9) and right headlamp control unit (E2n9) (with code 640 (High-performance LED) or code 641 (Dynamic LED headlamp, left-hand traffic) or code 642 (Dynamic LED headlamp, right-hand traffic))
Voltage dip limiter (R62) (with CODE B03 (ECO start/stop function))
CDI control unit (N3/9) (with engine 642, 651)
ME-SFI [ME] control unit (N3/10) (with engine 157, 276, 278)
Engine/engine compartment electrical connector (X26/31) (with engine 157, 278)
Circuit 87D2 connector sleeve (Z7/48) (with engine 157, 276, 278)
Engine/engine compartment electrical connector (X26/31) (with engine 157, 276, 278)
Spare
Charge air cooler circulation pump (M44) (with engine 157, 276, 278)
Low temperature circuit switchover valve (Y73/1) (with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Spare
Spare
Spare
Sound generator (H4/16) (with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Spare
Spare
Spare
Connected through the spray nozzle hose heater relay (K129): Top spray nozzle hose heater (R2/5), junction box for windshield washer system (R2/6), left wiper blade heater (R2/12) and right wiper blade heater (R2/13) (with code 874 (MAGIC VISION CONTROL))
Left front lamp unit (E1)
Electronic Stability Program control unit (N30/4) or regenerative braking system control unit (N30/6) (with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Right front lamp unit (E2)
Fully integrated transmission control unit (Y3/8n4)
Spare
DISTRONIC electric controller unit (A89) (for code 239 (DISTRONIC PLUS))
Wiper park position heater (R2/10)
Vacuum pump relay (+) (K109) (with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Intelligent servo module for DIRECT SELECT (A80) (with CODE 427 (7G-TRONIC))
Switched through the AIRmatic relay (F58kT): AIRmatic compressor (A9/1) (with CODE 489 (AIRmatic))
Switched via the windshield wiper on/off relay (F58kL) and the 1/2 wiper speed relay (F58kK): Wiper motor (M6/1)
Starter (M1) (without CODE B03 (ECO start/stop function))
Engine compartment prefuse box (F32/3) (with CODE B03 (ECO start/stop function) or with CODE ME05 (HYBRID DRIVE 80KW-VARIANT (INCLUDING PLUGIN)))
Spare