Spare
Spare
Except code 278 (Fully electric front seats) and except code 275 (Memory Package): Front passenger seat partially electric seat adjustment switch (S23/1)
Except code 278 (Fully electric front seats) and except code 275 (Memory Package): Driver seat partially electric seat adjustment switch (S22/1)
Model 290 except code 224 (Design individual rear seat system): USB port in rear passenger compartment at left (X115/3) USB port in rear passenger compartment at right (X115/4)
With code 380 (Car Telephony Package) and code 899 (Multifunction telephony): Telephone antenna changeover switch (A2/168)
With code 432 (Left and right dynamic multicontour seat): Multicontour seat pneumatic pump (M40)
With code 811 (Advanced sound system): Rear woofer amplifier (N40/14)
Model 257 with code U79 (BlueTEC (SCR) diesel exhaust gas cleaning, generation 3): AdBlue® control unit (N118/5)
With code B01 (48V technology): DC/DC converter control unit (N83/1)
Fuel system control unit (N118)
Model 257 with code 531 (COMAND APS) and code 830 (Additional parts for China vehicles), model 290 with code 531 (COMAND APS) and except code 498 (Japan version): Rear passenger compartment multimedia connection (A90/7)
With code B01 (48V technology): 48 V on-board electrical system battery (G1/3)
With code 865 (TV tuner): TV tuner control unit (N143)
With code 233 (DISTRONIC PLUS): Mercedes-Benz Intelligent Drive control unit (N62/4)
With code B24 (Remote control for stationary heater): Stationary heater radio remote control receiver (A6/1)
With code 891 (Premium ambient lighting): Ambiance illumination control unit (N162)
Spare
Model 290 with code 898 (Wireless charging in rear passenger compartment) except code 224 (Individual rear seat system design): Mobile phone cradle control unit in rear passenger compartment (N123/10)
with code 906 (Front armrest heater): Armrest heater control unit (N5)
Model 290 except code B26 (AMG Aerodynamics Package): Rear wing control unit(N170)
Model 290 with code 467 (Electronic locking differential): Electric differential lock control unit (N3/2)
With code 489 (AIR BODY CONTROL): AIR BODY CONTROL Plus control unit (N51/8)
Model 290: DIRECT SELECT INTERFACE (N150)
Spare
Spare
Model 290 with code 201 (Rear axle steering): Right rear axle steering control unit (N68/4)
Model 290 with code 201 (Rear axle steering): Left rear axle steering control unit (N68/3)
With code 489 (AIR BODY CONTROL): AIR BODY CONTROL relay (K67)
Model 257 with code 881 (Remote trunk closing): Trunk lid control control unit (N121)
Spare
Model 290 with code 224 (Individual rear seat system design): Rear cup holder (R5/3)
Spare
With CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1)
With CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1)
With CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1)
With CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1)
With CODE 550 (Trailer hitch): Trailer recognition control unit (N28/1)
With code U67 (230 volt socket in interior) or code U80 (115V socket): DC/AC converter control unit (N24/3)
As of 11.12.2018, engine 256 with code M016 (Engine high-performance engine), engine 177: All-wheel drive control unit (N45)
With CODE 872 (Seat heater in rear): Rear seat heater control unit (N25/6)
Model 290 with code 466 (Active engine mount): Active engine mounts control unit (N3/42)
With code 902 (Seat heater plus for driver and front passenger): Driver seat heater control unit (N25/5)
With code 489 (AIR BODY CONTROL): AIR BODY CONTROL control unit (N51/3)
With code U67 (230 volt socket in interior) or code U80 (115V socket): DC/AC converter control unit (N24/3)
Luggage compartment socket (X58/12)
Model 257 except code 897 (Wireless mobile phone charging) and except code 899 (Multifunction telephony) with code 301 (Smoker's Package), model 290 with code 301 (Smoker's Package): Front cigarette lighter with ashtray illumination (R3)
With code 301 (Smoker's package): Rear cigarette lighter (R3/1)
Model 290: Drive Unit control unit (N145/1)
Spare
Model 290: Drive Unit control unit (N145/1)
Spare
Spare
With code 475 (Tire pressure monitoring system): Tire pressure monitoring system control unit (N88)
With code 235 (Parking Pilot with PARKTRONIC): Parking system control unit (N62)
With CODE 871 (HANDS-FREE ACCESS): Rear switching module (N38)
Model 290 with code 467 (Electronic locking differential): Electric differential lock control unit (N3/2)
Spare
Spare
Model 257 with code U79 (BlueTEC (SCR) diesel exhaust gas cleaning, generation 3): AdBlue® control unit (N118/5)
Rear window heater (R1)
With code 810 (Sound system): Sound system amplifier control unit (N40/3)
Rear SAM control unit (N10/8)
Rear SAM control unit (N10/8)
With code 811 (Advanced sound system): Advanced sound system amplifier control unit (N40/7)
Spare
Model 290 with code 224 (Individual rear seat system design): Touchscreen (A105/3)
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