Mercedes-Benz 210 – fuse and relay

The Mercedes-Benz 210 represents the second generation of E-class passenger cars that were produced in 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 and 2003 with the W210 sedan and S210 station wagon. During this time, the model has been restyled. In this material you will find information about the location of all electronic control units, a detailed description of the fuses and relays of the Mercedes 210 with box diagrams, photo examples of performance and their locations. Select the cigarette lighter fuse.

The location of the blocks and elements in them may differ from the one shown and depends on the year of manufacture and the level of electrical equipment of your car. Check the information with your diagrams on the box cover.

Location

General layout of electronic control units

Layout

Assignment

1Air conditioning control unit – in the heater control panel
2Antenna signal booster – under the rear shelf
3Anti-theft control unit (combined with a vacuum pump) – under the rear seat
4Vehicle Tilt Sensor (Anti-Theft System) – Under Rear Seat
5Anti-theft horn (1997)
6Anti-theft horn (1998) – Behind wheel arch
7Volume change sensor (anti-theft system), left (some models) – B-pillar
8Volume change sensor (anti-theft system), right (some models) – B-pillar
9Volume change sensors (anti-theft system) (some models)
10Audio output amplifier
11Additional heater control unit
12Battery – under rear seat
13Central locking control unit (infrared)
14Central locking signal sensor (infrared) – in the interior rear-view mirror
15Control unit (in case of accident) (with TELE AlD) – left side of the luggage compartment
16Diagnostic connector (DLC) 1
17Diagnostic Connector (DLC) 2(2001)
18Door electrical control unit, driver’s side (03/97^)
19Door Electrical Control Module, Driver Side (Rear) (03/97^)
20Door electrical control unit, passenger side (03/97)
21Door Electrical Control Module, Passenger Side (Rear) (03/97)
22Power window control unit – in the center console switch box
23Fuse/Relay Box, Instrument Panel
24Fuse/Relay Box, Engine Compartment 1
25Fuse/Relay Box, Engine Compartment 2
26Fuse/Relay Box, Under Rear Seat
27Headlight control unit, left (models with xenon headlights)
28Headlight control unit, right (models with xenon headlights)
29Headlight range control unit (models with xenon headlights)
30Horns – behind the front bumper
31Ignition lock control unit
32Electronic immobilizer control unit – combined with an ignition switch control unit
34Lighting control unit – in the headlight switch
35Multifunctional control unit 1 (02/97) – functions: Central locking, power windows, sunroof (central locking system) – (03/97), alarm, rear window defroster, direction indicators, steering column adjustment mechanism, windshield wipers
36Multifunction control unit 2 (03/97) – functions: Interior lamps, sunroof, vanity mirror lamps
37Navigation system control unit – in the audio unit
38Ambient temperature sensor
39Parking system control unit (06/99)
40Parking system control unit (07/99)
41Rain sensor – in the interior rear view mirror
42Relay Bank 1 – Includes: ABS Relay, Engine Management System Relay, Cooling Fan Motor Relay, Fuel Pump Relay, Exhaust Air Pump Relay, Throttle Control Relay (^02/97)
43Relay Bank 2 – Includes: Exhaust Air Pump Relay, Starter Relay, Overload/Surge Protective Relay (ABS)(03/97)
44Left front seat power control unit
45Right front seat power control unit
46Seat heating control unit, front – in the switch block
47Seat heating control unit, rear – under the rear seat
48Side impact sensor, left – some models, under the front seat
49Side impact sensor, left – some models, under the rear seat
50Side impact sensor, right – some models, under the front seat
51Side impact sensor, right – some models, under the rear seat
52SRS electronic control unit
53Steering column lock control unit
54Body height sensor, front (models with xenon headlights)
55Body height sensor, rear (models with xenon headlights)
56Telephone network connection module (06/98) – left side of the luggage compartment
57Telephone interface control unit (06/98) – left side of the luggage compartment
59Electronic gearbox control unit
60Shift control unit – automatic transmission selector
61Voice Activation Unit – LH Trunk

Engine compartment

Main fuse and relay box

The main fuse and relay box is located under the hood on the left side behind the protective cover. Consists of two departments (fuses and relays).

Photo – diagram

Photo

Designation of fuses

F1(15A) Cigarette lighter (via ignition switch), ashtray light – 05/99
F2(15A) Cigarette lighter (via ignition switch), ashtray light – 06/99
F3(15A) Combination switch (low beam, high beam, windshield wiper/washer, rear window washer), glove box lamp
F4(10A) Air conditioning/heating system, clock, headlights on warning buzzer, steering wheel position sensor (06/99)
F5(15A) Alarm (with trailer) – 02/970
F6(15A) Cigarette lighter (from battery) – 05/99
F7(15A/20A) Instrument cluster, air conditioning/heating system, relay box (engine compartment)
F8(7.5A) Air conditioning / heater control unit – 02/97
F9(15A) Steering lock – 03/97
F10(7.5A) Rear window cleaner / washer – 02/97
F11(15A) Audio/Navigation System, Rear Room Lamp, Power Seat (03/97), Accessory Power Connector (Luggage Compartment) – Estate
F12(10A) Rear window wiper (some models), seat heaters, seat belt drive (comfort), sunblind
F13(10A) Audio / navigation system, SRS system, control unit (in case of accident)
F14(7.5A) Infrared central locking receiver, multifunctional control unit, parking system – ^02/97
F15(15A) Automatic transmission control system, variable valve timing actuator (s) (engine 111), diagnostic connector, fuel vapor recovery system (gasoline), glow plug control unit, headlight range control – 02/97
F16(15A) Power door mirrors, interior rear view mirror, windshield washer jet heaters – 02/97
F17(10A) Infrared receiver. Central locking, steering wheel position sensor -^02/97
F18(20A) Door Function Control Module, Driver’s Side (Rear) (Power Window, Position Lamp/Door Light) – 03/97—>
F19(10A/15A) Cruise control, ignition coils, oil cooler – some models
F20(30A/50A) Cooling fan motor – some models
F22(30A) Multifunction control box – some models
F23(7.5A) Rain sensor, telephone
F24
F25(20A) Additional heater
F26

The fuses numbered 1 or 2 are responsible for the operation of the cigarette lighter.

Relay department diagram

Diagram

Allocation

1ABS pump motor relay
2Windshield wiper motor relay 1
3Oil cooler fan motor relay
4Headlight washer pump relay
5Windshield wiper motor relay 2
6Windshield washer pump relay
7Horn relay
F39(30A) Engine oil cooler fan motor
F40(10A) Sound signals
F41(15A) Multifunction control box
F42(7.5A) Heater and windshield washer nozzles
F43(7.5/10A) Windshield washers
F44(40A) Windshield wiper
F45(30A) Headlight washers

Additional fuse and relay box

It is located on the right side, next to the electronic transmission control unit.

Photo 2

This may include: Exhaust Air Pump Relay, Starter Relay, Overload/ Surge Protective Relay (ABS) and some fuses.

Passenger compartment

Fuse box in the instrument panel

This fuse box is installed at the end of the dashboard behind a protective cover.

Photo 3

Diagram

Diagram 2

Appointment

LHD

  1. Not used
  2. 15A Stoplight switch / Cruise control
  3. 7.5A Right high beam, Headlight high beam indicator
  4. 15A Reversing lamps, Direction indicators, Rear wiper control (T210), Dimming rearview mirror, Parking assistance
  5. 7.5A Left high beam
  6. 15A Right dipped beam
  7. 7.5A Parking lights on the right side
  8. 15A Left dipped beam
  9. 15A Front fog lights
  10. 7.5A Parking lights on the left side
  11. 7.5A License plate light, Instrument panel light, Warning lamps, Headlight range control
  12. 7.5A Rear fog lamp

RHD

  1. 15A Front fog lights
  2. 7.5A Rear fog lamp
  3. 7.5A Parking lights on the right side
  4. 7.5A Parking lights on the left side
  5. 7.5A Left high beam
  6. 7.5A License plate light, Instrument panel light, Warning lamps, Headlight range control
  7. 7.5A Right high beam, Headlight high beam indicator
  8. 15A Left dipped beam
  9. 15A Stoplight switch / Cruise control
  10. 15A Right dipped beam
  11. Not used
  12. 15A Reversing lamps, Direction indicators, Rear wiper control (T210), Dimming rearview mirror, Parking assistance

Fuse box under rear seat

There is another fuse and relay box under the rear passenger seat.

Diagram

photo under the seat

Decoding

130A до 28.2.97:
Multifunctional control box:
Left rear power window
Right rear power window
20A from 1.3.97: Right front door control unit
230A until 28.2.97:
Multifunctional control box:
Front left power window
Front right power window
20A from 1.3.97: Right rear door control unit
315A until 28.2.97:
trunk lighting
Combined control unit
front cover
rear cover
Lamps in the doors
Ventilation front left seat
Ventilation front right seat
Taxi:
Interior lighting
7.5A since 1.3.97:
Bottom control panel
rear cover
trunk lighting
Taxi:
Interior lighting
425A until 28.2.97:
Luke
sunroof switch
25A from 1.3.97: Overhead control panel control unit
525A Pneumatic system
Horn of the anti-theft system
Radio
Radio and navigation system control panel
Navigation processor
CD player with changer (in trunk)
Receiver and amplifier (in the trunk)
Display and function control unit COMAND (from 1.6.99)
Rear window aerial amplifier module (as of 1.6.99)
620A until 28.2.97:
Wagon: Tailgate closing system
25A from 1.3.97:
Engines 111, 112, 113: Fuel pump
730A until 28.2.97:
Power mirrors
Steering column adjustment drive
20A from 1.3.97:
Wagon: Tailgate closing system
825A Power seat control unit, left (with memory)
25A Partially electric driver’s seat adjustment (as of 1.6.99)
925A Power seat control unit, left (with memory)
25A Adjusting the partially electric passenger seat (from 1.6.99)
1010A Refrigerator
Interior monitoring (in the presence of an alarm) (until 28.2.97):
Motion Sensor
Signaling (ATA) (until 2/28/97):
ATA Tilt Sensor
Information systems, (Japan; from 1.3.97 to 31.5.99):
CD player with changer (in trunk)
Antenna amplifier
TV tuner
Navigation processor
Relay 15 terminals
Display and function control unit COMAND (from 1.6.99):
TV tuner
117.5A from 1.3.97 to 31.5.99:
Signaling (ATA):
Alarm horn with optional battery
Tilt sensor (US)
ADS or ESP, engine 112, 113 and 606:
Steering wheel position sensor
Interior monitoring (if there is an alarm):
tilt sensor
Motion Sensor
from 1.6.99:
USA:
Emergency unlocking of the boot lid (from 1.6.00)
Electronic Stability Program (ESP):
Steering wheel position sensor
Interior monitoring (if there is an alarm):
Motion Sensor
tilt sensor
1225A Trailer connector
1325A Power seat control unit, right (with memory)
1425A Power seat control unit, right (with memory)
157.5A Taxi (until 2/28/97):
Taxi sign illumination
Taxi sign light switch
Dynamic navigation system (from 1.3.97 to 31.5.98):
Phone
TELE AID control unit (since 1.3.97)
Emergency call control unit (since 1.3.97)
CTEL transmitter / receiver (up to 31.5.98)
Voice control control unit (as of 1.6.98)
D2B interface (until 31.5.00)
Tire pressure monitoring control unit (as of 1.3.97)
1625A Audio amplifier
1725A until 28.2.97:
Rear seat heating
20A from 1.3.97:
Rear seat heating
1820A Heated front seats
1940A Pneumatic system
Rear window heating
central locking
Signaling
Volume sensor and towing sensor
2040A from 1.3.97:
official cars
Taxi:
Additional fuse box

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