Mercedes-Benz C-Class W203 (2000-2007) – fuse box
Mercedes -Benz C-Class W203 (2000-2007) – fuse box diagram
Year of production: 2001, 2001, 2002, 2003, 2004, 2005, 2006, 2007.
The cigarette lighter fuse (power socket) on the Mercedes C-Class W203 (2000-2007) is fuse 47 in the fuse box in the engine compartment.
Trunk fuse box
| Number |
Description |
Amperes [A] |
| 1 | Front passenger seat adjustment control unit with memory;
Passenger seat partially electric adjustment switch. |
30 |
| 2 | Front driver seat adjustment control with memory;
Driver seat partially electric adjustment switch. |
30 |
| 3 | Dome lamp;
Right trunk lamp; Left trunk lamp; Radio remote control receiver STH. |
7.5 |
| TV tuner (up to 2/29/04)
TV tuner (MOST) (as of 1.4.04) |
20 | |
| 4 | Fuel pump relay (N10 / 2kA) | 20 |
| 5 | Valid for engine 112.961 (up to 03/31/04):
Charge air cooler circulation pump; Valid without engine 112.961: Backup relay 2. |
20 |
| 6 | Reserve | 25 |
| 7 | Backup relay 1 | 7.5 |
| 8 | Amplifier module, window antenna;
Alarm signal (H3); ATA inclination sensor [EDW]. |
7.5 |
| 9 | Control panel control unitsuspended. | 25 |
| 10 | Heated rear window | 40 |
| 11 | Reserve | 20 |
| 12 | Internal socket;
Applies to model 203.0, US version (up to 03/31/04): Power socket. |
15 |
| 13 | Multicontour seat air pump
Voice control system control unit Dome rear lamp Dome rear lamp PTS warning indicator PTS control unit Japanese version : VICS + ETC Voltage supply separation point. |
5 |
| 14 | Tailgate Wiper Motor | 15 |
| 15 | Plug polarity reversal relayfuel filler 1;
Plug polarity reversal relay fuel filler 2. |
10 |
| 16 | Voice control system control unit | 20 |
| 17 | Trailer recognition control unit | 20 |
| 18 | Trailer hitch socket (13-pin) | 20 |
| 19 | Multicontour seat pneumatic pump | 20 |
| 20 | Rear window roller shutter relay
Valid for model 203.2 / 7 USA version: Power socket |
15 |
| Relay | ||
| A | Fuel pump relay | |
| B | Relay 2, terminal 15R | |
| C. | Backup relay 2 | |
| D | Backup relay 1 | |
| E. | Rear window defroster relay | |
| G. | Relay 1, terminal 15R | |
| G. | Filler cap relay, polarity reversal 1 | |
| H. | Filler cap relay, polarity switch 2 | |
Instrument panel fuse panel
| Number |
Description |
Amperes [A] |
| 21 | Left front door control unit | 30 |
| 22 | Right front door control unit | 30 |
| 23 | Until 30/11/04:
Central gate control unit. |
15 |
| 24 | CD player with changer(in the glove box). | 7.5 |
| 25 | Top control panel control unit | 30 |
| 26 | Sound amplifier | 25 |
| 27 | Front seat adjustment control unit driver’s side, with memory;
Special multi-functional vehicle control unit (SVMCU [MSS]). |
30 |
| 28 | Reserve | 30 |
| 29 | Driver’s side front seat adjustment control unit, with memory;
Driver’s side front seat adjustment control unit, with memory; Multifunctional control unit for a special vehicle. |
30 |
| 30 | Heating systems recirculation unit | 40 |
| 31 | EIS driver [EZS];
Electric steering wheel lock control unit. |
20 |
| 32 | Left rear door control unit | 30 |
| 33 | Right rear door control unit | 30 |
| 34 | Cell phone separation point;
up to 31.5.01: Telephone transmitter / receiver and TELE AID; D2B telephone transmitter and receiver ; D2B telephone interface; E-net compensator; up to 31.5.01, Japanese version : E-call control unit. |
7.5 |
| until 03/31/04:
Front passenger seat adjustment control unit with memory; from 1.4.04: Front passenger side seat adjustment control unit with memory; to 31.5.03, Taxi: Multifunctional control unit for a special vehicle; from 1.6.03, Taxi: multifunction control unit of a special vehicle; from 1.6.01, Police : multifunction control unit for a special vehicle. |
15 | |
| from 1.4.04:
Front passenger seat adjustment control unit with memory; from 1.4.04 , Taxi: Multifunctional control unit for a special vehicle. |
30 | |
| 35 | until 03/31/04:
STH heater |
30 |
| from 1.4.04:
STH heater |
20 | |
| 36 | until 03/31/04, Police:
Internal socket. |
30 |
| Valid for engine (612.990) (up to 2/29/04):
Charge air cooler circulation pump; as of 1.4.04, Japanese version: Audio gateway control unit. |
15 | |
| Universal Portable CTEL Interface control unit(UPCI [UHI]) | 7.5 | |
| 37 | Charge air cooler circulation pump;
to 29.2.04 : Brake booster vacuum pump controller. |
25 |
| 38 | to 29.2.04:
Front passenger side seat adjustment control unit with memory; from 1.4.04, Police: Multifunctional control unit for a special vehicle (SVMCU [MSS]). |
30 |
| 39 | Reserve | 30 |
| 40 | Front passenger side seat adjustment control unit with memory;
Universal portable CTEL control unit (UPCI [UHI]); Cell phone separation point; Telephone interface; Electric network compensator; as of 1.6.01, MB Standard telephone: Telephone transmitter and receiver, D2B as of 1.6.01, TELE AID: Telephone transmitter / receiver and TELE AID, D2B as of 1.6.01, Canadian vehicles: Via boot lid separation point / FFS [RBA] boot lid emergency release switch i rear SAM control module with module fuse-relay; USA version: Via boot lid separation point / FFS [RBA] boot lid emergency release switch i rear SAM control unit with fuse i relay module. as of 1.4.04, Japanese version: E-call control unit. |
7.5 |
| up to 31.5.01:
Multifunctional control unit for a special vehicle |
30 | |
| 41 | HEAT control and operating unit
up to 31.5.01: AAC [KLA] control and operating unit Comfort AAC control and operating unit [kLa] |
7.5 |
| as of 1.6.01:
AAC [KLA] control and service unit; Comfortable control and operating unit AAC [KLA]. |
15 | |
| 42 | Instrument cluster | 7.5 |
Fuse box in the engine compartment
| Number |
Description |
Amperes [A] |
| 43a | Horn relay | 15 |
| 43b | Horn relay | 15 |
| 44 | Telephone transmitter and receiver and TELE AID;
D2B telephone transmitter and receiver; D2B cell phone separation point. |
5 |
| 45 | Control unit for restraint systems | 7.5 |
| 46 | Wiper switch on and off relay;
Wiper speed relay 1 and 2. |
40 |
| 47 | Glove box lighting with switch;
Front cigarette lighter (with illumination). |
15 |
| 48 | Valid for engine 612.990 (up to 31.3.04):
Vacuum pump control unit brake assist; Valid for engine 112 and engine 113: Circuit connector sleeve 15 (with fuse); Valid for engine 646 USA version (up to 03/31/04): Circuit 30 connector sleeve; Valid for engine 646 (as of 1.4.04): O2 sensor upstream of TWC [kAt]. |
15 |
| 49 | Control unit for restraint systems | 7.5 |
| 50 | Light switch module;
Valid for engine 612.990 The output stage glow (to 31/03/04); Hot foil mass air flow sensor (1.4.04 to 30.11.04). |
5 |
| 51 | AAC with integrated auxiliary controlfan motor
Instrument cluster Refers to code (581) for the comfort air conditioning automatic: C-AAC [K-KLA] multifunctional sensor C-AAC [K-KLA] sun sensor (4 in total) Left headlamp assembly Right headlamp assembly Applies to AMG vehicles: Charge air cooler circulation pump Valid for model 203.0 (up to 31.7.01): SPS [PML] control unit |
7.5 |
| 52 | Starter | 15 |
| 53 | Valid for diesel engines: | |
| Starter relay;
Rear SAM control unit with fuse and relay module; Valid for engine 611/612/642/646: CDI control unit. |
25 | |
| Valid for gasoline engines:
Starter relay; Rear SAM control unit with fuse and relay module; Valid for engine 111/271/272: ME-SFI [ME] control unit; Valid for engine 112/113: ME-SFI [ME] control unit; Circuit 87M1e coupler sleeve. |
15 | |
| 54 | Valid for engine 271.940:
ME-SFI [ME] control unit; Purge control valve (US version); Activated carbon tank shut-off valve ; Valid for engine 271.942: NOX (nitrogen oxides) control unit; Valid for engine 642/646: CDI control unit; Valid for engine 642/646: Circuit connector sleeve 30. |
15 |
| Valid for engines 611/612:
CDI control unit; Valid for engine 611/612 (until 30/11/04): Heating element for deaeration hose. |
7.5 | |
| 55 | Distronic steering angle sensor;
DTR control unit; Valid for gearbox 722: ETC control unit [EGS] (up to 31.5.04); Electronic lever module control unit gear changes; Electric Control Unit (VGS); Valid for gearbox 716: Gear recognition switch; Automatic manual gearbox control gear unit. |
7.5 |
| 56 | ESP and BAS control unit;
Stop light switch. |
5 |
| 57 | Steering angle sensor (up to 31.5.02);
EIS control unit [EZS]; Steering column module (as of 1.6.02); Valid for engine 112/113: ME-SFI [ME] control unit. |
5 |
| 58 | Valid for transmission 716:
hydraulic pump SEQ |
40 |
| 59 | ESP and BAS control unit | 50 |
| 60 | ESP and BAS control unit | 40 |
| 61 | Valid for transmission 716:
Automatic manual gearbox control unit |
15 |
| 62 | Data link connector;
Light switch module; Stop light switch. |
5 |
| 63 | Light switch module | 5 |
| 64 | Radio;
Radio and navigation unit; Operating and display unit i control COMAND. |
10 |
| 65 | Valid for engine 112/113:
Electric air pump. |
40 |
| Relay | ||
| J. | Horn system relay | |
| K. | Terminal 87 relay, chassis | |
| L | Wiper speed relay 1 and 2 | |
| M. | Terminal 15R relay | |
| N | SEQ pump control relay [ASG](with automatic manual transmission
Sequentronic (ASG)) |
|
| O | Air pump relay (112, 113, 271 engines only) | |
| P. | Terminal 15 relay | |
| Q | Wipers on and off relay | |
| R | Relay 87, engine | |
| S | Starter relay | |
Front case
| Number |
Description |
Amperes [A] |
| 1 | Internal fuse box | 125 |
| 2 | Rear SAM control unit with fuse andrelay module | 200 |
| 3 | Additional fuse holder l,spare wheel well. | 125 |
| 4 | Front SAM control unit with fuse andrelay module | 200 |
| 5 | Motor and electric AC suction fan withintegrated control.
Valid for diesel engines: Glow power level. |
125 |
| 6 | Front SAM control unit with fuse andrelay module | 60 |