Mercedes-Benz CLS-Class (W219) four-door luxury coupe of the German automaker Mercedes-Benz of the 1st generation is produced in 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011 with the designation CLS 280, CLS 300, CLS 320 CDI, CLS 350, CLS 500, CL S55, CL S63 AMG. In this material, you will find a description of the fuses and relays of Mercedes C219 with box diagrams and their locations. Select the cigarette lighter fuse.
The assignment of the fuses and relays may differ from that shown and depends on the year of manufacture and the level of electrical equipment of the car.
Engine compartment
Under the hood, the main fuse and relay box are located on the left side, next to the rack, and are closed with a protective cover.
Diagram
Designation
| 43 | 15A ME control unit (engines 113, 156, 272, 273) |
| CDI system control unit (engines 642) | |
| SAM control unit with rear relay and fuse box | |
| Fuel pump relay (113.990 (CLS 55 AMG)) | |
| Catalyst purge relay (113.990 (CLS 55 AMG)) | |
| 44 | 15A CDI system control unit (642 engines) (from model year 2006) |
| 45 | 7,5A AIRmatic control unit with ADS system |
| 46 | 7.5A EGS control unit (5-speed automatic transmission (NAG)) |
| Electric control module VGS (7-speed automatic transmission) | |
| 47 | 5A ESP systems control unit |
| 48 | 7.5A SRS control unit |
| 49 | 7.5A SRS control unit |
| Passenger/ Child Seat Recognition Sensor on the Front Passenger Seat (up to model year 2006) | |
| Head restraint relay NECK-PRO (2006 model year) | |
| Front Left Reversible Seat Belt Pretensioner (since MY 2007) | |
| Front Right Reversible Seat Belt Pretensioner (since MY 2007) | |
| 50 | 5A Power disconnect point VICS (Japan) |
| 51 | 5A Reserve |
| 52 | 7.5A Exterior lighting rotary switch |
| instrument cluster | |
| Glove box lighting with microswitch | |
| Headlight range control unit (Bi-Xenon headlights) | |
| 53a | 15A Horn relay (from model year 2007) |
| 53b | 15A Horn relay |
| 54a | 15A Illuminated cigarette lighter (from model year 2007) |
| The cigarette lighter is optionally protected via terminal 15R: Isolating relay for disconnected consumers (up to model year 2006) | |
| 54b | 15A Illuminated cigarette lighter (from model year 2007) |
| The cigarette lighter is optionally protected via terminal 30: Isolating relay for disconnected consumers (up to model year 2006) | |
| 55 | 7.5A Power disconnect point VICS (Japan) |
| 56 | 40A Wiper motor |
| 57 | 25A CDI system control unit (engine 642) |
| ME control unit (engines 156, 272, 273) | |
| SAM control unit with rear relay and fuse box (engines 156, 272, 273, 642) | |
| Regeneration change-over valve (before MY 2006) | |
| O2-Left sensor behind catalytic converter (engine 113) | |
| O2-Right sensor behind catalytic converter (engine 113) | |
| Activated charcoal canister shutoff valve (US; prior to MY 2006) | |
| Activated charcoal filter check valve (USA; prior to MY 2006) | |
| Engine and Air Conditioner Suction Electric Fan with Integrated Regulator (272 engine; up to MY 2006) | |
| 58 | 15A Engines 113, 156, 272, 273: |
| Cylinder 1 ignition coil | |
| Cylinder 2 ignition coil | |
| Cylinder 3 ignition coil | |
| Cylinder 4 ignition coil | |
| Cylinder 5 ignition coil | |
| Cylinder 6 ignition coil | |
| Cylinder 7 ignition coil | |
| Cylinder 8 ignition coil | |
| Audio module noise suppression capacitor (motor 113) | |
| Engine 642; 2006 model year: | |
| Hot-film air mass meter for the left cylinder bank | |
| Hot-film mass air flow meter of the right row of cylinders | |
| O2 sensor before the catalytic converter | |
| 59 | 15A Starter relay |
| 60 | 10A Oil cooler fan (113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG)) |
| 61 | 40A Electric air pump |
| 62 | 30A Backup relay |
| 63 | 15A Not used |
| 64 | 7.5A Exterior lighting rotary switch |
| Instrument cluster (before the 2006 model year) | |
| Control panel KLA (Automatic climate control system) | |
| 65 | 20A EZS control unit |
| Electric steering lock control unit | |
| 66 | 7.5A Front right headlight |
| Front left headlight | |
| Headlight range adjustment module (Bi-Xenon headlights) | |
| 67 | 10A Stop lamp switch |
| Relay | |
| I | Terminal 87 relay, motor |
| K | Relay, electr. circuit terminal 87 undercarriage |
| L | Starter relay |
| M | Backup relay |
| N | Relay terminal 15 |
| O | Horn relay |
| P | Relay terminal 15R |
| R | Air pump relay (except engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG)) |
| Oil cooler fan relay (engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG)) | |
| S | AIRMATIC relay (semi-active air suspension) |
Fuse number 54 is responsible for the front cigarette lighter, for the rest of the fuses located in the boxes in the luggage compartment.
Passenger compartment
Fuse box in the dashboard
On the left side of the dashboard, behind a protective cover, there is a fuse box.
Diagram
Allocation
| 21 | 30A Rear right door control unit |
| 22 | 30A Front right door control unit |
| 23 | 30A Seat adjustment control unit with memory function, front passenger |
| 24 | 25A KEYLESS-GO control unit, rear module |
| KEYLESS-GO control unit, rear left door | |
| KEYLESS-GO control unit, rear right door | |
| 25 | 25A Auxiliary heater protected via cable termination: |
| Heater STH | |
| 5A Additional protection via auxiliary heater switch fuse: | |
| Receiving unit for radio remote control of the auxiliary heater STH | |
| 26 | 7.5A CD changer |
| 27 | Not used |
| 28 | 15A Audio system |
| 5A Audio module and navigation unit control panel (Audio 50 APS) | |
| Control panel with COMAND system display | |
| 29 | 7.5A Electronic steering column module |
| Rotary switch outdoor lighting | |
| EZS control unit | |
| 30 | 7.5A Diagnostic socket |
| 31 | 5A Upper control box |
| Isolating relay for disconnected consumers (up to model year 2007) | |
| 32 | 30A Rear left door control unit |
| 33 | 30A Front left door control unit |
| 34 | 30A Driver’s seat adjustment control unit with memory function |
| 35 | 5A Passenger weight system (WSS) control unit |
| 36 | 25A Seat heating and ventilation control unit |
| SAM control unit, passenger side (from model year 2007) | |
| 37 | 15A AIRmatic control unit with ADS system |
| 38 | 7,5A NECK-PRO head restraint relay (from model year 2006) |
| 39 | 5A Control box lower control box |
| 40 | 10A Seat heating and ventilation control unit |
| 41 | 5A Central interface control unit |
| 42 | 7.5A ME control unit |
| SAM control unit with relay and fuse module on the driver’s side |
Fuse box under the dashboard
This fuse box is located in the front passenger footwell. To access it is necessary to remove the casing and the protective cover.
Diagram
Appointment
| 68 | 200A Additional PTC heater (from 1.6.06) |
| 69 | 150A Not used |
| 70 | 150A Secondary battery relay (before 31.5.06) |
| 71 | 150A Suction motor and air conditioning fan with integrated regulator |
| 72 | 50A Hydraulic block SBC (up to 31.5.06) |
| ESP control unit (from 1.6.06) | |
| 73 | 40A Hydraulic block SBC (up to 31.5.06) |
| ESP control unit (from 1.6.06) | |
| 74 | 40A Relay AIRMATIC |
| 75 | 40A SAM control unit, passenger side |
| 76 | 40A Front right reversible seat belt pretensioner (PRE-SAFE) (as of 1.6.06) |
| 77 | 40A Heating air recirculation unit |
Luggage compartment
Fuse box behind the trim panel
On the left side in the luggage compartment, behind the trim, there is a box with fuses and relays.
Diagram
Decoding
| 1 | 30A Switch for partially electric seat adjustment, passenger side |
| Switch for partially electric seat adjustment, driver’s side (since MY 2007) | |
| Driver’s seat adjustment control unit with memory function | |
| 2 | 30A Switch for partially electric seat adjustment, driver’s side |
| Switch for partially electric seat adjustment, passenger side (from model year 2007) | |
| Seat adjustment control unit with memory function, front passenger | |
| 3 | 7.5A RDK control unit (tire pressure monitoring system) |
| PTS control unit (parktronic) | |
| TV tuner | |
| Navigation processor | |
| 4 | 20A Fuel pump (except engine 156.983 (CLS 55 AMG) and 272.985) |
| 7.5A Charge air cooler circulation pump (113.990 (CLS 55 AMG)) | |
| 5 | Backup relay 2 |
| 6 | 40A Audio interface control unit |
| 7 | 15A Rear wiper relay (since MY 2007) |
| 8 | 7.5A Antenna amplifier module left |
| Tilt sensor EDW | |
| alarm siren | |
| Alarm siren with additional battery cell (from MY 2007) | |
| 9 | 25A Ceiling Control Panel |
| 10 | 40A Heated rear window |
| 11 | 20A Not used |
| 12 | 15A Socket in the luggage compartment (USA) |
| 13 | 15A Socket in saloon |
| 14 | 5A Not used |
| 15 | 10A El. central locking drive fuel tank cap |
| 16 | 20A Seat heating and ventilation control unit |
| 17 | 20A Not used |
| 18 | 20A Not used |
| 19 | 20A Air pump for multi-contour seat |
| 20 | 7.5A Rear window blind relay |
| Relay | |
| A | Fuel pump relay (except engine 113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG), 272.985) |
| Charge air cooler circulation pump relay (only for engine 113.990 (CLS 55 | |
| AMG)) | |
| B | Relay 2, terminal 15R |
| C | Backup relay 2 |
| D | Reserve |
| E | Heated rear window relay |
| F | Relay 1, terminal 15R |
| G | Gas Cap Relay, Polarity Reversal 1 |
| H | Gas cap relay, polarity switch 2 |
Fuse box next to the battery
Another high-power fuse box is installed next to the battery.
Diagram
Assignment
| 78 | 200A SAM control unit with driver-side fuse relay module |
| 79 | 200A SAM control unit with rear relay and fuse box |
| 80 | 150A SAM control unit with driver-side fuse relay module |
| 81 | 150A Interior fuse block |
| 82 | 150A CLS 55 AMG, CLS 63 AMG: |
| Fuel pump fuse | |
| Catalyst Purge Fuse | |
| 82A | 30A Left fuel pump control unit |
| Right fuel pump control unit | |
| 82B | 40A Catalyst Purge Relay |
| 83 | 30A Not used |
| 84 | 5A Battery control unit (up to the model year 2007) |
| Battery sensor (from the model year 2007) | |
| 85 | 5A UHI control unit (universal mobile phone interface) |
| GPS module control unit (Japan) | |
| Microphone Group Control Unit (Japan) | |
| Voice control system (SBS) control unit | |
| Phone compensator, data (US; from MY 2007) | |
| GSM 1800 Antenna Compensator (USA; from MY 2007) | |
| 86 | 5A SDAR control unit (up to the model year 2007) |
| 87 | 30A Air pump for dynamic seat adjustment |
| 88 | 30A HDS control unit (remote opening/closing of the trunk lid) |
| 89 | 40A Not used |
| 90 | 40A Front left reversible seat belt pre-tensioner (PRE-SAFE) (from the model year 2007) |
| 91 | 30A Fuel pump control unit (engine 272.985; from the model year 2007) |
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