Mercedes C4.3 AMG
16 May 2003, 04:06 PM
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Mercedes C200 Sport Face lift model
1997 R reg
Sports Auto Triptronic
Azurite Blue 2 Tone
Full Grey Leather Sports Seats
Electric Sunroof
Electric Windows
Electric Mirrors
Power Steering
Cruise Control
Central Locking
White Clocks
Laser Key
ABS
ASR
Drivers and Passenger and side Air Bags
Air Con
Blaupunkt CD Changer
Lots of Carbon Fiber inside
Full Mercedes Service History
C4.3 AMG badaged up
AMG Body Kit
Lowered
Brand New 19" AMG Alloy With 235.35.19 tyres
loads of MOT
Immaculate Condition
open to offers and swaps
[Edited by scottlouise - 5/16/2003 6:17:21 PM]
1997 R reg
Sports Auto Triptronic
Azurite Blue 2 Tone
Full Grey Leather Sports Seats
Electric Sunroof
Electric Windows
Electric Mirrors
Power Steering
Cruise Control
Central Locking
White Clocks
Laser Key
ABS
ASR
Drivers and Passenger and side Air Bags
Air Con
Blaupunkt CD Changer
Lots of Carbon Fiber inside
Full Mercedes Service History
C4.3 AMG badaged up
AMG Body Kit
Lowered
Brand New 19" AMG Alloy With 235.35.19 tyres
loads of MOT
Immaculate Condition
open to offers and swaps
[Edited by scottlouise - 5/16/2003 6:17:21 PM]
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18 May 2003, 04:18 PM
#12
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ELCODE
The anti-theft protection of Mercedes-Benz cars has been perfected with the development of ELCODE (Electronic Code System), the intelligent access and drive authorisation system. At the center of this system is an electronic key with multiple functions and an ignition start switch which replaces the conventional ignition lock.
ELCODE’s intelligent access authorisation system uses the innovative electronic key as its main component. The key contains two transmitters, one for transferring invisible infrared data and the other for emitting radio waves. With this dual signal transmission feature, Mercedes-Benz engineers have ensured that the system has both optimal reliability and a larger transmitter range. The car owner transmits the radio or infrared signal by pressing one of the transmission buttons in the key, unlocking or locking the central locking by remote. This system also enables various other functions to be remote controlled by the key that could not be done with a conventional type of key. Some of these features include remote boot opening, remote opening of the car windows, and sunroof if equipped.
To start the engine, the wedge shaped ‘tongue’ of the innovative key simply has to be inserted into the ignition start switch and briefly turned to the right once. Electronic systems control the start process autonomously until the engine starts running.
However, before then, a split-second check is performed inside the ignition start switch, as the electronic circuitry automatically checks that the right key has been inserted.
When the ignition has been switched on, a further test is performed, this time between the ignition start switch and the engine management system. This check is much more rigorous than the previous data check between the key and the ignition start switch and involves the engine computer asking the ignition start switch to solve a complex arithmetical problem. Both systems will run the problem simultaneously and the ignition start switch must come to the same result as the engine computer. If their solutions match, the starter motor is activated and the engine starts.
As soon as the engine is switched off and the key is removed, the vehicle becomes immobilised and will not start again until the key recognition and the ignition start switch / engine computer tests are passed again.
With technology this advanced, the vehicles owner can rest assured that their Mercedes-Benz will not be disappearing on them.
The anti-theft protection of Mercedes-Benz cars has been perfected with the development of ELCODE (Electronic Code System), the intelligent access and drive authorisation system. At the center of this system is an electronic key with multiple functions and an ignition start switch which replaces the conventional ignition lock.
ELCODE’s intelligent access authorisation system uses the innovative electronic key as its main component. The key contains two transmitters, one for transferring invisible infrared data and the other for emitting radio waves. With this dual signal transmission feature, Mercedes-Benz engineers have ensured that the system has both optimal reliability and a larger transmitter range. The car owner transmits the radio or infrared signal by pressing one of the transmission buttons in the key, unlocking or locking the central locking by remote. This system also enables various other functions to be remote controlled by the key that could not be done with a conventional type of key. Some of these features include remote boot opening, remote opening of the car windows, and sunroof if equipped.
To start the engine, the wedge shaped ‘tongue’ of the innovative key simply has to be inserted into the ignition start switch and briefly turned to the right once. Electronic systems control the start process autonomously until the engine starts running.
However, before then, a split-second check is performed inside the ignition start switch, as the electronic circuitry automatically checks that the right key has been inserted.
When the ignition has been switched on, a further test is performed, this time between the ignition start switch and the engine management system. This check is much more rigorous than the previous data check between the key and the ignition start switch and involves the engine computer asking the ignition start switch to solve a complex arithmetical problem. Both systems will run the problem simultaneously and the ignition start switch must come to the same result as the engine computer. If their solutions match, the starter motor is activated and the engine starts.
As soon as the engine is switched off and the key is removed, the vehicle becomes immobilised and will not start again until the key recognition and the ignition start switch / engine computer tests are passed again.
With technology this advanced, the vehicles owner can rest assured that their Mercedes-Benz will not be disappearing on them.
19 May 2003, 06:42 PM
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Most manufacturers use variants of these systems now, made by companies like Bosch and Siemens. Complex algorithms in the keys are shared by the car's security system and they communicate in secure code. It's in the form of IR for the entry (receiver in the door handle) and RF for the immobiliser. It isn't flawless but it's pretty good.
The latest keyless entry system from VW rocks!
[Edited by AdrianB - 5/19/2003 6:44:45 PM]
The latest keyless entry system from VW rocks!
[Edited by AdrianB - 5/19/2003 6:44:45 PM]
22 May 2003, 08:49 AM
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