Mercedes S-Class W-220

since 1998 release

Repair and operation of the car


Mercedes W220
+ Mercedes-Benz cars of the class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of the warmed back glass
   Replacement of glow lamps
   Function of reserve light
   Electric safety locks
   Installation of electric and electronic devices
   Elements of the uniform lock
   Arrangement of the basic electric elements of system of electric equipment of a body of the car
   Anticreeping alarm system
+ Schemes of electric equipment



Elements of the uniform lock

A2/12 — the Amplifier of the antenna above a back window
A8/1 — PDU
A26/1 — the IK-receiver of the left forward door
A26/2 — the IK-receiver of the right forward door
A37 — the Combined equipment control unit of pneumatic system (PSE)
N10/8 — Back SAM
N69/1 — the Control unit of the left forward door
N69/2 — the Control unit of the right forward door
N70 — the Control unit of the top console

N72/1 — the Control unit of the top console
N72/1s6 — the Saloon uniform lock
N73 — the Control unit of the electronic lock of ignition
S86/1 — the Switch of the lock of the left forward door (option) (USA)
S87/1 — the Switch of the lock of the left forward door (option) (models for Japan with the right wheel)
S88/2 — the Switch of the lock of a cover of the luggage compartment (option) (USA) (Japan)


Scheme of functioning of the uniform lock

A2/12 — the Block of the amplifier of the antenna on back glass
A8/1 — the Key transmitter
A26/1 — the IK Left forward receiver
A26/2 — the IK Right forward receiver
A37 — the Control unit of equipment of pneumatic systems (PSE) (the combined function)
CAN — CAN
E1e5 — the Left forward index of turn
E2e5 — the Right forward index of turn
E3e1 — the Left back index of turn
E4e1 — the Right back index of turn
E6/5 — the Index of turn on the left external mirror
E6/6 — the Index of turn on the right external mirror
N10/8 — Back SAM

N69/1 — the Control unit of the left forward door
N69/2 — the Control unit of the right forward door
N70 — the Control unit of the top console
N73 — the EIS Control unit
N80 — the Block of a steering column
P1 — the Pneumatic activator, the driver's door
P2 — the Pneumatic activator, a door of the forward passenger
P3 — the Pneumatic activator, the left back door
P4 — the Pneumatic activator, the right back door
P6 — the Pneumatic activator, a cover of the luggage compartment
S — Activation of indexes of turns via the corresponding control units


Address accompanying illustrations.

Two modes of unlocking of the car are provided: "Full unlocking" and "Separate unlocking". In the Full Unlocking mode all doors, a cover of the luggage compartment and a door of the fuel tank open. In the Separate Unlocking mode only the driver's door and a cover of the hatch of a mouth of the fuel tank opens. In both modes the anticreeping ATA alarm system is deactivated.

The control of the uniform lock is in detail described in the Head the Operation manual.