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Assignment Of Rear Fuse And Relay Module - GF54.15-P-1256-30RFM

Model 205 

as of model year 2019 

Model 253.99 

Variant 1 

Fig 1: Rear Fuse And Relay Module - Model 205 As Of Model Year 2019 (Variant 1)
G14201063IMPORTANTCourtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Wire Identification Fused component Fuse rating (A)
400 Electrical fuse 400 (K40/5f400) 87 - Spare -
401 Electrical fuse 401 (K40/5f401) 87 - Spare -
402 Electrical fuse 402 (K40/5f402) 87 - Spare -
403 Electrical fuse 403 (K40/5f403) 87 0.35 PKGN Model 205 with Code U67 (230 V socket in interior): 
DC/AC converter control unit (N24/3)
5
404 Electrical fuse 404 (K40/5f404) 87 2.5 RDGN Except Code 221 (Electrically adjustable left driver's seat), except Code 241 (Electrically adjustable left memory switch for front passenger seat) and except Code 275 (Memory Package): 
Driver seat partially electric seat adjustment switch (S22/1)
30
405 Electrical fuse 405 (K40/5f405) 87 2.5 RDYE Except Code 222 (Electrically adjustable right front seat), except Code 242 (Electrically adjustable front passenger seat with memory function) and except Code 275 (Memory Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)
30
406 Electrical fuse 406 (K40/5f406) 30t 2.5 RD Left-hand drive vehicle Model 205: 
Left front door control unit (N69/1)
30
        Right-Hand drive vehicle Model 205: 
Right front door control unit (N69/2)
 
407 Electrical fuse 407 (K40/5f407) 30t 0.35 RD Model 253.99: 
Circuit 30t end sleeve (Z265z3)
5
408 Electrical fuse 408 (K40/5f408) 30t 2.5 RD Model 205.0/1/2: 
Right rear door control unit (N69/4)
30
        Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
 
      2.5 RDWH Left-hand drive vehicle Model 253.99: 
Left rear door control unit (N69/3)
 
        Right-Hand drive vehicle Model 253.99: 
Right rear door control unit (N69/4)
 
409 Electrical fuse 409 (K40/5f409) 30t 1.0 RDGN With Code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)
15
410 Electrical fuse 410 (K40/5f410) 30t 2.5 RDWH With Code 467 (Electronic differential lock): 
Electronic differential control unit (N3/2)
25
411 Electrical fuse 411 (K40/5f411) 30t 4.0 RD Model 205 with Code 299 (PRE-SAFE® system): 
Left front reversible emergency tensioning retractor (A76)
30
      2.5 RD Model 253.99: 
Power electronics control unit (N129/1)
 
412 Electrical fuse 412 (K40/5f412) 30t 0.5 RD With Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Battery management system control unit (N82/2)
5
      0.5 RDGN Model 253.99 with Code 299 (PRE-SAFE® system): 
Left front reversible emergency tensioning retractor (A76)
 
413 Electrical fuse 413 (K40/5f413) 30t 0.5 RDBK With Code B01 (48V technology): 
48 V on-board electrical system battery (G1/3)
5
      0.75 RD Model 253.99: 
DC/DC converter control unit (N83/1)
 
414 Electrical fuse 414 (K40/5f414) 30t 0.35 RDWH Model 205 with Code 865 (TV tuner): 
TV tuner control unit (N143)
5
        Model 253.99 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
 
      0.5 RDWH Model 253.99 with Code 865 (TV tuner): 
TV tuner control unit (N143)
 
415 Electrical fuse 415 (K40/5f415) 30t 0.35 RDYE With Code P21 (Air quality package): 
Perfume atomizer generator (N59)
5
416 Electrical fuse 416 (K40/5f416) 30t 0.35 RDWH Model 205 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
5
      0.75 RD Model 253.99: 
Battery management system control unit (N82/2)
7, 5
417 Electrical fuse 417 (K40/5f417) 30t 0.5 RD With Code 218 (Reversing camera): 
Reversing camera control unit (N66/2)
5
      0.75 RDBU Model 253.99 with Code 877 (Ambient lighting): 
Ambiance illumination control unit (N162)
7, 5
418...423 Electrical fuse 418 (K40/5f418) - Electrical fuse 423 (K40/5f423) 30t - Spare -
424 Electrical fuse 424 (K40/5f424) 30t 0.35 RDWH Model 205 up to 31.05.2019 with Code 872 (Seat heating in rear passenger compartment): 
Rear seat heater control unit (N25/6)
5
      0.5 RDVT Model 205.4 up to 31.05.2019 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
 
425 Electrical fuse 425 (K40/5f425) 30t 0.5 RDWH Model 205 up to 31.05.2019 with Code 409 (Left/right front multicontour seats): 
Right front multicontour seat control unit (N32/16)
5
        Model 205 with Code 222 (Electrically adjustable right front seat), Code 242 (Electrically adjustable front passenger seat with memory function), Code 275 (Memory Package) or Code P65 (Seat Comfort Package) and except Code 409 (Left/right front multicontour seats): 
Front passenger seat lumbar support electropneumatic controller unit (N32/24)
 
426 Electrical fuse 426 (K40/5f426) 30t 0.5 RDWH Model 205 up to 31.05.2019 with Code 409 (Left/right front multicontour seats): 
Left front multicontour seat control unit (N32/15)
5
        Model 205 with Code 221 (Electrically adjustable left driver's seat), Code 241 (Memory switch for electrically adjustable left front passenger seat), Code 275 (Memory Package) or Code P65 (Seat Comfort Package) and except Code 409 (Left/right front multicontour seats): 
Driver's seat lumbar support electropneumatic controller unit (N32/23)
 
427 Electrical fuse 427 (K40/5f427) 30t 2.5 RD Model 205 with Code 965 (Taxi/rental car preinstallation): 
Special-purpose vehicle multifunction control unit (N26/9)
25
      2.5 RDGN With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Special vehicle multifunction control unit (SVMCU) (N26/14)
 
428 Electrical fuse 428 (K40/5f428) 30t 0.5 RDYE With Code 467 (Electronic differential lock): 
Electronic differential control unit (N3/2)
5
429 Electrical fuse 429 (K40/5f429) 30t - Spare -
430...434 Electrical fuse 430 (K40/5f430) - Electrical fuse 434 (K40/5f434) 30t - Spare -
435 Electrical fuse 435 (K40/5f435) 30t 4.0 RD Model 253.99 with Code 890 (EASY-PACK liftgate): 
Liftgate control unit (N121/1)
40
436...442 Electrical fuse 436 (K40/5f436) - Electrical fuse 442 (K40/5f442) 30t - Spare -
443 Electrical fuse 443 (K40/5f443) 30t 2.5 RDVT Model 205 with Code 965 (Taxi/rental car preinstallation): 
Special-purpose vehicle multifunction control unit (N26/9)
25
      2.5 RDWH With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Special vehicle multifunction control unit (SVMCU) (N26/14)
 
      1.0 RDWH Model 205 with Code Z97 (Electronic interface) 
Special vehicle multifunction control unit (SVMCU) (N26/14)
7, 5
444 Electrical fuse 444 (K40/5f444) 30t 1.5 RDBU With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
445 Electrical fuse 445 (K40/5f445) 30t 1.5 RDGY With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
446 Electrical fuse 446 (K40/5f446) 30t 2.5 RD With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
25
447 Electrical fuse 447 (K40/5f447) 30t 1.5 RDWH With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
448 Electrical fuse 448 (K40/5f448) 30t 2.5 RDYE With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
25
449 Electrical fuse 449 (K40/5f449) 30t 2.5 RD With Code U67 (230 volt socket in interior) or Code U80 (115V socket): 
DC/AC converter control unit (N24/3)
30
450 Electrical fuse 450 (K40/5f450) 30t 2.5 RD Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
25
      1.5 RDBU With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Vehicle socket electrical connection (X4/36)
 
      0.5 RDBK With Code 965 (Taxi/rental vehicle pre-installation): 
Mirror taximeter (A50/1)
5
451 Electrical fuse 451 (K40/5f451) 30t 2.5 RDWH Model 205.4 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
30
        With CODE 872 (Seat heater in rear): 
Rear seat heater control unit (N25/6)
 
452 Electrical fuse 452 (K40/5f452) 30t 2.5 RDBK Model 205.4 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
30
453 Electrical fuse 453 (K40/5f453) 30t 2.5 RD Model 205: 
Fuel system control unit (N118)
25
454 Electrical fuse 454 (K40/5f454) 30t 4.0 RDBK Model 205 with Code 299 (PRE-SAFE® system): 
Right front reversible emergency tensioning retractor (A76/1)
30
      2.5 RDWH Model 253.99: 
Rear axle electronic level control system control unit (N97)
15
455 Electrical fuse 455 (K40/5f455) 87 1.5 RDBU With Code 866 (Pre-installation for Rear Seat Entertainment System): 
Left tablet PC electrical connection (X99x1) Right tablet PC electrical connection (X99x2)
15
      0.35 PKGN Model 253.99 with Code U67 (230 V socket in interior) or Code U80 (115V socket): 
DC/AC converter control unit (N24/3)
5
456 Electrical fuse 456 (K40/5f456) 87 1.5 RD Luggage compartment socket (X58/12) 15
457 Electrical fuse 457 (K40/5f457) 87 1.5 RDBK With Code 301 (Smoker's package): 
Front cigarette lighter with ashtray illumination (R3)
15
        With Model 460 (Canada version) or Code 494 (USA version) and Code 897 (Wireless mobile phone charging) or Code 899 (Multifunction telephone): 
Socket 12V (X58/40)
 
458 Electrical fuse 458 (K40/5f458) 87 1.5 RDBK Right rear center console socket 12V (X58/18) 15
459 Electrical fuse 459 (K40/5f459) 87 - Spare -
460 Electrical fuse 460 (K40/5f460) 87 - Spare -
461 Electrical fuse 461 (K40/5f461) 30t 0.5 RD Model 205 as of 01.06.2019 with Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Alternating current charger for high-voltage battery (N83/11)
10
462 Electrical fuse 462 (K40/5f462) 30t 1.0 RDBK Model 205 as of 01.06.2019 with Code B63 (Sporty engine sound): 
Engine sound control unit (N40/1)
15
463 Electrical fuse 463 (K40/5f463) 30t - Spare -
464 Electrical fuse 464 (K40/5f464) 30t 0.5 RD Model 205 as of 01.06.2019 with Code B24 (Remote control for stationary heater): 
Stationary heater radio remote control receiver (A6/1)
5
      0.5 RDYE Model 253.99: 
Hydrogen filling station communication module (A90/11)
 
465 Electrical fuse 465 (K40/5f465) 87 - Spare -
466 Electrical fuse 466 (K40/5f466) 87 - Spare -
467 Electrical fuse 467 (K40/5f467) 30t 0.35 RDWH Model 205 as of 01.06.2019 with Code 872 (Seat heating in rear): 
Rear seat heater control unit (N25/6)
5
      0.5 RDVT Model 205.4 as of 01.06.2019 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
 
      0.35 RDWH Model 253.99 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
 
468 Electrical fuse 468 (K40/5f468) 30t 0.5 RDWH Model 205 as of 01.06.2019 with Code 409 (Left/right front multicontour seats): 
Right front multicontour seat control unit (N32/16)
5
      0.35 RDWH Model 253.99 with Code 235 (Parking Pilot with PARKTRONIC): 
Parking system control unit (N62)
 
469 Electrical fuse 469 (K40/5f469) 30t 0.35 RD With CODE 871 (HANDS-FREE ACCESS): 
Rear switching module (N38)
5
470 Electrical fuse 470 (K40/5f470) 30t 0.5 RDWH Model 205 as of 01.06.2019 with Code 409 (Left/right front multicontour seats): 
Left front multicontour seat control unit (N32/15)
5
471 Electrical fuse 471 (K40/5f471) 30t 1.0 RD Model 205 with Code U68 (Active engine sound generator): 
Active engine sound generator control unit (N156/1)
7, 5
        Model 253.99: 
Alternating current charger for high-voltage battery (N83/11)
10
472 Electrical fuse 472 (K40/5f472) 30t 0.35 RDWH With Code 23P (Driving Assistance Package): 
Mercedes-Benz Intelligent Drive control unit (N62/4)
5
      0.5 RDGN Model 253.99 with Code 299 (PRE-SAFE® system): 
Right front reversible emergency tensioning retractor (A76/1)
 
473 Electrical fuse 473 (K40/5f473) 30t 4.0 RD Model 205 with Code 810 (Sound system): 
Sound system amplifier control unit (N40/3)
40
        With Code 853 ("Midline" sound system): 
Midline sound system amplifier control unit (N40/2)
 
474 Electrical fuse 474 (K40/5f474) 87 2.5 RDBU Model 205.0/1/2/3, 253.99: 
Rear window interference suppression capacitor (C3) Rear window heater (R1)
30
        Model 205.4: 
Rear window heater (R1)
 
475 Electrical fuse 475 (K40/5f475) 30t 4.0 RD Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
40
        Model 205.0/1/3 with Code 881 (Remote trunk closing): 
Trunk lid control unit (N121)
 
        Model 205.2 with Code 890 (EASY-PACK liftgate): 
Liftgate control unit (N121/1)
 
        Model 253.99 with Code 810 (Sound system): 
Sound system amplifier control unit (N40/3)
 
476 Electrical fuse 476 (K40/5f476) 30t 4.0 RD Rear SAM control unit (N10/8) 40
477 Electrical fuse 477 (K40/5f477) 30t 4.0 RD Rear SAM control unit (N10/8) 40
478 Electrical fuse 478 (K40/5f478) 30t 4.0 RDWH With Code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)
40
479 Electrical fuse 479 (K40/5f479) 30t 0.35 RDGN Engine 177: 
Brake lights switch (S9/1)
5
480 Electrical fuse 480 (K40/5f480) 30t 0.5 RD Up to 31.05.2019 with Code B24 (Remote control for stationary heater): 
Stationary heater radio remote control receiver (A6/1)
5
481 Electrical fuse 481 (K40/5f481) 87 - Spare -
482 Electrical fuse 482 (K40/5f482) 87 - Spare -
483 Electrical fuse 483 (K40/5f483) 30t 1.0 RDBK With Code B63 (Sporty engine sound): 
Engine sound control unit (N40/1)
15
484 Electrical fuse 484 (K40/5f484) 30t 0.5 RD Up to 31.05.2019 with Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Alternating current charger for high-voltage battery (N83/11)
10
IMPORTANT The rear fuse and relay module is installed in two Variants, depending on the equipment involved.
Relay Identification Designation
S Vehicle interior circuit 15 relay (K40/5kS)
T Rear window heater relay (K40/5kT)
U 2nd seat row cup holder and sockets relay (K40/5kU)
V With Code U77 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® relay (K40/5kV)
X 1st seat row/trunk refrigerator box and sockets relay (K40/5kX)
Y Spare relay (K40/5kY)

Variant 2 

Fig 2: Rear Fuse And Relay Module - Model 205 As Of Model Year 2019 (Variant 2)
G14201064IMPORTANTCourtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Wire Identification Fused component Fuse rating (A)
400 Electrical fuse 400 (K40/5f400) 87 - Spare -
401 Electrical fuse 401 (K40/5f401) 87 - Spare -
402 Electrical fuse 402 (K40/5f402) 87 - Spare -
403 Electrical fuse 403 (K40/5f403) 87 0.35 PKGN Model 205 with Code U67 (230 V socket in interior): 
DC/AC converter control unit (N24/3)
5
404 Electrical fuse 404 (K40/5f404) 87 2.5 RDGN Except Code 221 (Electrically adjustable left driver's seat), except Code 241 (Electrically adjustable left memory switch for front passenger seat) and except Code 275 (Memory Package): 
Driver seat partially electric seat adjustment switch (S22/1)
30
405 Electrical fuse 405 (K40/5f405) 87 2.5 RDYE Except Code 222 (Electrically adjustable right front seat), except Code 242 (Electrically adjustable front passenger seat with memory function) and except Code 275 (Memory Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)
30
406 Electrical fuse 406 (K40/5f406) 30t 2.5 RD Left-hand drive vehicle Model 205: 
Left front door control unit (N69/1)
30
        Right-Hand drive vehicle Model 205: 
Right front door control unit (N69/2)
 
407 Electrical fuse 407 (K40/5f407) 30t 0.35 RD Model 253.99: 
Circuit 30t end sleeve (Z265z3)
5
408 Electrical fuse 408 (K40/5f408) 30t 2.5 RD Model 205.0/1/2: 
Right rear door control unit (N69/4)
30
        Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
 
      2.5 RDWH Left-hand drive vehicle Model 253.99: 
Left rear door control unit (N69/3)
 
        Right-Hand drive vehicle Model 253.99: 
Right rear door control unit (N69/4)
 
409 Electrical fuse 409 (K40/5f409) 30t 1.0 RDGN With Code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)
15
410 Electrical fuse 410 (K40/5f410) 30t 2.5 RDWH With Code 467 (Electronic differential lock): 
Electronic differential control unit (N3/2)
25
411 Electrical fuse 411 (K40/5f411) 30t 4.0 RD Model 205 with Code 299 (PRE-SAFE® system): 
Left front reversible emergency tensioning retractor (A76)
30
      2.5 RD Model 253.99: 
Power electronics control unit (N129/1)
 
412 Electrical fuse 412 (K40/5f412) 30t 0.5 RD With Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Battery management system control unit (N82/2)
5
      0.5 RDGN Model 253.99 with Code 299 (PRE-SAFE® system): 
Left front reversible emergency tensioning retractor (A76)
 
413 Electrical fuse 413 (K40/5f413) 30t 0.5 RDBK With Code B01 (48V technology): 
48 V on-board electrical system battery (G1/3)
5
      0.75 RD Model 253.99: 
DC/DC converter control unit (N83/1)
 
414 Electrical fuse 414 (K40/5f414) 30t 0.35 RDWH Model 205 with Code 865 (TV tuner): 
TV tuner control unit (N143)
5
        Model 253.99 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
 
      0.5 RDWH Model 253.99 with Code 865 (TV tuner): 
TV tuner control unit (N143)
 
415 Electrical fuse 415 (K40/5f415) 30t 0.35 RDYE With Code P21 (Air quality package): 
Perfume atomizer generator (N59)
5
416 Electrical fuse 416 (K40/5f416) 30t 0.35 RDWH Model 205 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
5
      0.75 RD Model 253.99: 
Battery management system control unit (N82/2)
7, 5
417 Electrical fuse 417 (K40/5f417) 30t 0.5 RD With Code 218 (Reversing camera): 
Reversing camera control unit (N66/2)
5
      0.75 RDBU Model 253.99 with Code 877 (Ambient lighting): 
Ambiance illumination control unit (N162)
7, 5
418...423 Electrical fuse 418 (K40/5f418) - Electrical fuse 423 (K40/5f423) 30t - Spare -
424 Electrical fuse 424 (K40/5f424) 30t 0.35 RDWH Model 205 up to 31.05.2019 with Code 872 (Seat heating in rear passenger compartment): 
Rear seat heater control unit (N25/6)
5
      0.5 RDVT Model 205.4 up to 31.05.2019 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
 
425 Electrical fuse 425 (K40/5f425) 30t 0.5 RDWH Model 205 up to 31.05.2019 with Code 409 (Left/right front multicontour seats): 
Right front multicontour seat control unit (N32/16)
5
        Model 205 with Code 222 (Electrically adjustable right front seat), Code 242 (Electrically adjustable front passenger seat with memory function), Code 275 (Memory Package) or Code P65 (Seat Comfort Package) and except Code 409 (Left/right front multicontour seats): 
Front passenger seat lumbar support electropneumatic controller unit (N32/24)
 
426 Electrical fuse 426 (K40/5f426) 30t 0.5 RDWH Model 205 up to 31.05.2019 with Code 409 (Left/right front multicontour seats): 
Left front multicontour seat control unit (N32/15)
5
        Model 205 with Code 221 (Electrically adjustable left driver's seat), Code 241 (Memory switch for electrically adjustable left front passenger seat), Code 275 (Memory Package) or Code P65 (Seat Comfort Package) and except Code 409 (Left/right front multicontour seats): 
Driver's seat lumbar support electropneumatic controller unit (N32/23)
 
427 Electrical fuse 427 (K40/5f427) 30t 2.5 RD Model 205 with Code 965 (Taxi/rental car preinstallation): 
Special-purpose vehicle multifunction control unit (N26/9)
25
      2.5 RDGN With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Special vehicle multifunction control unit (SVMCU) (N26/14)
 
428 Electrical fuse 428 (K40/5f428) 30t 0.5 RDYE With Code 467 (Electronic differential lock): 
Electronic differential control unit (N3/2)
5
429 Electrical fuse 429 (K40/5f429) 30t - Spare -
430...434 Electrical fuse 430 (K40/5f430) - Electrical fuse 434 (K40/5f434) 30t - Spare -
435 Electrical fuse 435 (K40/5f435) 30t 4.0 RD Model 253.99 with Code 890 (EASY-PACK liftgate): 
Liftgate control unit (N121/1)
40
436...442 Electrical fuse 436 (K40/5f436) - Electrical fuse 442 (K40/5f442) 30t - Spare -
443 Electrical fuse 443 (K40/5f443) 30t 2.5 RDVT Model 205 with Code 965 (Taxi/rental car preinstallation): 
Special-purpose vehicle multifunction control unit (N26/9)
25
      2.5 RDWH With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Special vehicle multifunction control unit (SVMCU) (N26/14)
 
      1.0 RDWH Model 205 with Code Z97 (Electronic interface) 
Special vehicle multifunction control unit (SVMCU) (N26/14)
7, 5
444 Electrical fuse 444 (K40/5f444) 30t 1.5 RDBU With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
445 Electrical fuse 445 (K40/5f445) 30t 1.5 RDGY With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
446 Electrical fuse 446 (K40/5f446) 30t 2.5 RD With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
25
447 Electrical fuse 447 (K40/5f447) 30t 1.5 RDWH With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
15
448 Electrical fuse 448 (K40/5f448) 30t 2.5 RDYE With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)
25
449 Electrical fuse 449 (K40/5f449) 30t 2.5 RD With Code U67 (230 volt socket in interior) or Code U80 (115V socket): 
DC/AC converter control unit (N24/3)
30
450 Electrical fuse 450 (K40/5f450) 30t 2.5 RD Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
25
      1.5 RDBU With Code 970 (Police emergency vehicles) or Code 974 (Fire brigade lead emergency vehicle pre-installation) or Code 975 (Emergency physician vehicle pre-installation): 
Vehicle socket electrical connection (X4/36)
 
      0.5 RDBK With Code 965 (Taxi/rental vehicle pre-installation): 
Mirror taximeter (A50/1)
5
451 Electrical fuse 451 (K40/5f451) 30t 2.5 RDWH Model 205.4 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
30
        With CODE 872 (Seat heater in rear): 
Rear seat heater control unit (N25/6)
 
452 Electrical fuse 452 (K40/5f452) 30t 2.5 RDBK Model 205.4 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
30
453 Electrical fuse 453 (K40/5f453) 30t 2.5 RD Model 205: 
Fuel system control unit (N118)
25
454 Electrical fuse 454 (K40/5f454) 30t 4.0 RDBK Model 205 with Code 299 (PRE-SAFE® system): 
Right front reversible emergency tensioning retractor (A76/1)
30
      2.5 RDWH Model 253.99: 
Rear axle electronic level control system control unit (N97)
15
455 Electrical fuse 455 (K40/5f455) 87 1.5 RDBU With Code 866 (Pre-installation for Rear Seat Entertainment System): 
Left tablet PC electrical connection (X99x1) Right tablet PC electrical connection (X99x2)
15
      0.35 PKGN Model 253.99 with Code U67 (230 V socket in interior) or Code U80 (115V socket): 
DC/AC converter control unit (N24/3)
5
456 Electrical fuse 456 (K40/5f456) 87 1.5 RD Luggage compartment socket (X58/12) 15
457 Electrical fuse 457 (K40/5f457) 87 1.5 RDBK With Code 301 (Smoker's package): 
Front cigarette lighter with ashtray illumination (R3)
15
        With Model 460 (Canada version) or Code 494 (USA version) and Code 897 (Wireless mobile phone charging) or Code 899 (Multifunction telephone): 
Socket 12V (X58/40)
 
458 Electrical fuse 458 (K40/5f458) 87 1.5 RDBK Right rear center console socket 12V (X58/18) 15
459 Electrical fuse 459 (K40/5f459) 87 - Spare -
460 Electrical fuse 460 (K40/5f460) 87 - Spare -
461 Electrical fuse 461 (K40/5f461) 30t 0.5 RD Model 205 as of 01.06.2019 with Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Alternating current charger for high-voltage battery (N83/11)
10
462 Electrical fuse 462 (K40/5f462) 30t 1.0 RDBK Model 205 as of 01.06.2019 with Code B63 (Sporty engine sound): 
Engine sound control unit (N40/1)
15
463 Electrical fuse 463 (K40/5f463) 30t - Spare -
464 Electrical fuse 464 (K40/5f464) 30t 0.5 RD Model 205 as of 01.06.2019 with Code B24 (Remote control for stationary heater): 
Stationary heater radio remote control receiver (A6/1)
5
      0.5 RDYE Model 253.99: 
Hydrogen filling station communication module (A90/11)
 
465 Electrical fuse 465 (K40/5f465) 87 - Spare -
466 Electrical fuse 466 (K40/5f466) 87 - Spare -
467 Electrical fuse 467 (K40/5f467) 30t 0.35 RDWH Model 205 as of 01.06.2019 with Code 872 (Seat heating in rear): 
Rear seat heater control unit (N25/6)
5
      0.5 RDVT Model 205.4 as of 01.06.2019 with Code 403 (AIRSCARF system): 
AIRSCARF control unit (N25/7)
 
      0.35 RDWH Model 253.99 with Code 475 (Tire pressure monitor): 
Tire pressure monitor control unit (N88)
 
468 Electrical fuse 468 (K40/5f468) 30t 0.5 RDWH Model 205 as of 01.06.2019 with Code 409 (Left/right front multicontour seats): 
Right front multicontour seat control unit (N32/16)
5
      0.35 RDWH Model 253.99 with Code 235 (Parking Pilot with PARKTRONIC): 
Parking system control unit (N62)
 
469 Electrical fuse 469 (K40/5f469) 30t 0.35 RD With CODE 871 (HANDS-FREE ACCESS): 
Rear switching module (N38)
5
470 Electrical fuse 470 (K40/5f470) 30t 0.5 RDWH Model 205 as of 01.06.2019 with Code 409 (Left/right front multicontour seats): 
Left front multicontour seat control unit (N32/15)
5
471 Electrical fuse 471 (K40/5f471) 30t 1.0 RD Model 205 with Code U68 (Active engine sound generator): 
Active engine sound generator control unit (N156/1)
7, 5
        Model 253.99: 
Alternating current charger for high-voltage battery (N83/11)
10
472 Electrical fuse 472 (K40/5f472) 30t 0.35 RDWH With Code 23P (Driving Assistance Package): 
Mercedes-Benz Intelligent Drive control unit (N62/4)
5
      0.5 RDGN Model 253.99 with Code 299 (PRE-SAFE® system): 
Right front reversible emergency tensioning retractor (A76/1)
 
473 Electrical fuse 473 (K40/5f473) 30t 4.0 RD Model 205 with Code 810 (Sound system): 
Sound system amplifier control unit (N40/3)
40
        With Code 853 ("Midline" sound system): 
Midline sound system amplifier control unit (N40/2)
 
474 Electrical fuse 474 (K40/5f474) 87 2.5 RDBU Model 205.0/1/2/3, 253.99: 
Rear window interference suppression capacitor (C3) Rear window heater (R1)
30
        Model 205.4: 
Rear window heater (R1)
 
475 Electrical fuse 475 (K40/5f475) 30t 4.0 RD Model 205.3 with Code U02 (Electric seat belt extender), Model 205.4: 
Rear control unit (N22/6)
40
        Model 205.0/1/3 with Code 881 (Remote trunk closing): 
Trunk lid control unit (N121)
 
        Model 205.2 with Code 890 (EASY-PACK liftgate): 
Liftgate control unit (N121/1)
 
        Model 253.99 with Code 810 (Sound system): 
Sound system amplifier control unit (N40/3)
 
476 Electrical fuse 476 (K40/5f476) 30t 4.0 RD Rear SAM control unit (N10/8) 40
477 Electrical fuse 477 (K40/5f477) 30t 4.0 RD Rear SAM control unit (N10/8) 40
478 Electrical fuse 478 (K40/5f478) 30t 4.0 RDWH With Code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)
40
479 Electrical fuse 479 (K40/5f479) 30t 0.35 RDGN Engine 177: 
Brake lights switch (S9/1)
5
480 Electrical fuse 480 (K40/5f480) 30t 0.5 RD Up to 31.05.2019 with Code B24 (Remote control for stationary heater): 
Stationary heater radio remote control receiver (A6/1)
5
481 Electrical fuse 481 (K40/5f481) 87 - Spare -
482 Electrical fuse 482 (K40/5f482) 87 - Spare -
483 Electrical fuse 483 (K40/5f483) 30t 1.0 RDBK With Code B63 (Sporty engine sound): 
Engine sound control unit (N40/1)
15
484 Electrical fuse 484 (K40/5f484) 30t 0.5 RD Up to 31.05.2019 with Code ME05 (Hybrid Drive 80KW Variant (Including Plug-In)): 
Alternating current charger for high-voltage battery (N83/11)
10
IMPORTANT The rear fuse and relay module is installed in two Variants, depending on the equipment involved.
Relay Identification Designation
S Vehicle interior circuit 15 relay (K40/5kS)
T Rear window heater relay (K40/5kT)
U 2nd seat row cup holder and sockets relay (K40/5kU)
V With Code U77 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® relay (K40/5kV)
X 1st seat row/trunk refrigerator box and sockets relay (K40/5kX)
Y Spare relay (K40/5kY)

IMPORTANT The rear fuse and relay module is installed in two Variants, depending on the equipment involved.