Mercedes C-Class

W203 since 2000 of release

Repair and car operation



Mercedes-Benz
+ Mercedes-Benz Cars of a class C (W-203)
- Operation manual
   Main bodies and management/control panels
   Locks, keys and locks. Uniform lock
   Protection against theft
   Simplification of landing and disembarkation from the car
   Seats
   Safety systems
   Steering wheel, rear-view mirrors
   Memory of provisions of seats, steering wheel and external mirrors
   Control panel
   Multipurpose steering wheel, universal display
   Switches
   Automatic heater and air conditioner. Ventilation. Independent heater
   Heater of back glass
   Window regulators, roof hatch
   Salon equipment
   Driving and auxiliary systems
   Precautionary alarm and control lamps, and also messages of the information display on the registered malfunctions
   First-aid kit, fire extinguisher, tool, sign of an emergency stop and compartment of a spare wheel. Sealing of punctures of tires
+ Routine maintenance
+ Engine
+ cooling and heating Systems
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Locks, keys and locks. Uniform lock

Locks with the device of remote radio management

1 — the Main key
2 — the unlocking Button
3 — key Functions
4 — Control of a zaryazhennost of elements of a food

The device of remote radio management the car can open from big distance, even out of visibility limits.
In order to avoid penetration into the car of extraneous persons to use the device of remote radio management only from the next distance.

Two main naturals belong to elements of a complete set of the car the device of remote control. For the best distinction of the button of unlocking (2) have various colors.

Do not subject keys to the increased electromagnetic radiation. Violations in work are possible!


Unlocking of locks of the car

Switching between installations «Unlocking of a door of the driver» and «Complete unlocking» can be made.

Installation «Complete unlocking»

The button press once, all doors, a cover of the hatch of a fuel tank and a luggage carrier door open.

Installation «Unlocking of a door of the driver»

The button press once, the door of the driver and a cover of the hatch of a fuel tank open.

The button press two times, all doors, a cover of the hatch of a fuel tank and a luggage carrier door open.

Unlocking of the car and switching off of the anticreeping alarm system of system (EDW) prove to be true a disposable blinking of lamps of the index of turn.

If after car door unlocking, a trunk lid did not open, approximately in 40 seconds the car is automatically locked.

Locking of locks of the car


The button press once, all doors, a cover of the hatch of a fuel tank and a luggage carrier door are blocked.

Behind closed doors and luggage carrier doors activation of system of check of the authorized driving or operational readiness of the anticreeping alarm system (EDW) after locking prove to be true a thrice blinking of lamps of the index of turn.

Control of a zaryazhennost of elements of a food

At each using a key the control light-emitting diode of a zaryazhennost of elements of a food quickly lights up.

If the control light-emitting diode does not light up, it is necessary to make replacement of elements of a food immediately.

Installation of functions of unlocking of the car

At the same time press buttons and and hold them pressed during about 6 seconds.

The control light-emitting diode (4) lights up two times.

Switching between installations «Unlocking of a door of the driver» and «Complete unlocking» is made.

Replacement of elements of a food of the main key

Replacement of elements of a food make in pairs.



Do not throw out the discharged elements of a food together with household garbage.

Take out an emergency key.

Press a key in an opening (1), then a compartment for food elements raise in the direction of an arrow (2) a little and take out in the arrow (3) direction.

Insert elements of a food (4) under a contact spring (5), using a napkin made of cloth which is not leaving fibers. Plus up!

Compartment for elements of a food push in the key case before fixing.

Automatic locking of doors during movement

At speed 15 km/h are higher, locking of the uniform lock of the car is made.

When opening one of forward doors unlocking of all locks of the car from within is made provided that the last unlocking of the uniform lock of the car was made by the device of remote control.

Inclusion and switching off of function of automatic locking of the uniform lock of the car was made by the device of remote control.

Inclusion and switching off of function of automatic locking of doors can be made in the VEHICLE menu (CAR) of system «Individual installation», in the AUTOMATIC DOOR LOCK installation menu (AUTOMATIC LOCKING of DOORS). (Address to the Part «Individual installation» Section the Multipurpose steering wheel, the universal display).

Automatic unlocking of doors at failure

Doors open, since collision of precisely certain force.

Switch of the uniform lock

The switch of the uniform lock is on the average console.

Press the switch:

1 — Locking
2 — Unlocking

The car can be unlocked or locked by the switch of the uniform lock from within. Locking can be made only if forward doors are closed.

If locking was made by a key, unlocking by the switch is impossible.

Opening or closing of lateral glasses and the panoramic shifted panel of a roof (opening function in summertime of year / comfortable closing)

Opening function in summertime of year:

opening of the panoramic shifted panel of a roof and lowering of lateral glasses is made.

Comfortable closing: closing of the panoramic shifted panel of a roof and lifting of lateral glasses is made.

For safety reasons inclusion of function of opening in summertime of year / comfortable closing can be made only from the next distance through infra-red function of the device of remote control. Therefore an edge of a key direct on the handle of a door of the driver.

Opening function in summertime of year:

Unlock the car, the button hold pressed until lateral glasses and the panoramic shifted panel of a roof will not reach demanded situation.

Interruption of process of opening: The button release.

Comfortable closing: Lock the car, the button hold pressed until all glasses and the panoramic shifted panel of a roof up to the end will be closed.

Leaving the car, check, whether all lateral glasses are lifted and whether the panoramic shifted panel of a roof is closed.

Door opening

1. Door opening outside

The door gives in to opening outside only if it was unlocked previously.

2. Door opening from within

The door gives in to opening from within as well at the locked car. When opening a door of the driver or the forward passenger, both doors open.

Unlocking of a door proves to be true a vydviganiye of the blocking button (3).

Emergency key

1. Unlocking button
2. Emergency key

By emergency key (2) the door of the driver (emergency opening of a door) can be unlocked and locked and the door of the driver (emergency opening of a door) is separately locked and the trunk lid is separately locked or released.

Vydviganiye of an emergency key from the main key:

The button of unlocking (1) displace in the direction of an arrow and put forward an emergency key (2).

Zadviganiye of an emergency key on the main key:

Push an emergency key (2) before fixing.

Emergency unlocking of a door of the driver

If the car does not open the device of remote control of a key, a door of the driver unlock an emergency key.

Remarks for the models equipped with the anticreeping alarm system:

The anticreeping alarm system works when opening door by an emergency key. The disturbing alarm system can be switched off only having inserted a key into the switch of ignition or having pressed buttons or on the main key.

Emergency unlocking of a door of a luggage carrier

The Zamkovy cylinder is in deepening for back registration plate.

If the luggage carrier door at malfunction does not give in to opening, release of a door of a luggage carrier make an emergency key.

Emergency key turn in situation (1) and pull for the handle.

The remark for the models equipped with the anticreeping alarm system:

The anticreeping alarm system works only when opening a door of a luggage carrier by an emergency key. The disturbing alarm system can be switched off only having inserted into the switch of ignition or having pressed buttons or on the main key.

Trunk lid opening

The handle is in deepening for back registration plate.

The trunk lid gives in to opening manually if before it the uniform lock of the car was unlocked.

For opening pull for the handle.

Closing of a door of a luggage carrier

Lower a luggage carrier door, having pulled it down for dredging (1), and close, having pressed from above.

Emergency unlocking of a cover of the hatch of a fuel tank

Turn a latch of the right lateral facing and take lateral facing aside.

Pull for the handle of release (shooter) and at the same time open a cover of the hatch of a fuel tank outside.

Loss of a key or emergency key

Charge to one of HUNDRED "Mercedes-Benzs" blocking of a key and immediately inform on key loss insurance company.

At loss of an emergency key it is necessary to replace mechanical elements of locks.

The new or emergency key can be got only on HUNDRED "Mercedes-Benzs".

General comments on system of locks

If the car does not give in to unlocking or locking:

Edge of the main key direct on the handle of a door of the driver.

Check a zaryazhennost of elements of a food of the main key (materials at the beginning of the Section).

Open the car an emergency key. A key insert into the lock of ignition and wait until the key in the lock of ignition will not give in to a povorachivaniye.