mercedes actros GS ll gearbox Shift problems repair

The second Actros generation comes with an electronic sequential gearbox that Mercedes-Benz has dubbed the "Telligent Gearbox". It pushes forward the principle used in some earlier Mercedes-Benz tractors; using the gearshift lever to command a pneumatically actuated system that changes the gears. The Telligent gearbox utilizes a computer, together with a load-sensing system on the fifth-wheel coupling, to estimate the proper gear that the truck must be in. For example, if you want to upshift, the computer estimates the load on the tractor and the current engine mode, and gives you the proper gear for decreasing engine On the other hand, if you want to downshift, the computer assumes you wish to overtake, and gives you a proper gear for acceleration.

There's an automatic version which works like the Tiptronic system found in Mercedes-Benz cars.

The fourth-version launched in 2011 offers exclusively the 12-speed powershift transmission.

Operation
The system consists of a small lever mounted under the right armrest and a flat switch underneath. The lever is slightly tilted, so that it matches the natural curve of the driver's hand when it's on the armrest. The lever has two buttons on either side. When at a standstill, the driver must push the right button, then (while holding it), push the lever forward and release it select fourth fast. The current gear is shown as a large number on the main display. After doing this, the driver steps on the clutch pedal and waits for approximately two seconds. After the gearshift has completed, a double click is sounded through the speakers, and the driver proceeds with pulling off as normal.

Once moving, the driver has two choices. He or she may push or pull the lever to let the computer choose the gear for them, or they can use the splitter switch (the small switch under the lever) to pre-select gears. Either way, the gear is selected first, then the clutch is depressed. For example, if you're in fourth fast, pulling the splitter switch up once pre-selects fifth slow.

The left button (known as the 'flush button', as it is flush with the lever) is used to switch to neutral.

Cabin

Instrument Cluster in 2010 Actros 3

Cockpit of a 2013 Actros 4
The Actros cabs come in four types:

S - designed for daily operation and construction vehicles such as cement trucks. The daily cab has its front bumper lower to the ground to prevent under-run, whereas the construction version of the S cab has its front bumper higher to prevent hitting an obstacle when driving off-road on the site.
M - designed for distribution vehicles. It offers a sleeper, though comfort has not been focused on as in the L cab. It comes in short and long sleeper versions.
L - Low-roof long-haul cab, providing comfortable driving and rest for the driver.
LH "MegaSpace"- Long-haul high-roof cab, providing comfort for long driving, as well as enough space for the driver and/or passenger to freely move around the cab when needed.
Version 4 Actros are offered cabs in either 2300 mm or 2500 mm width and varied heights. A new solostar concept is available as an option for more comfort when used in a single-driver environment.

Electronics
Depending on model either Actros 1,2 or 3 the electronics may vary. For example, the braking system known as EPB or BS from Wabco incorporates ABS and ASR functions. This system is very reliable and efficient. The stopping distance in the Actros was drastically reduced as compared to its predecessor the SK. In later models of Actros 2 and all Actros 3 models the braking System was improved to EPB 2.

The Electronics in the Actros 1 are networked via Controller Area Network (CAN) in a system known as IES (Integrated Electronics System) with the instrument cluster as the Central Gateway (CGW) or the interphase. In the Actros 2 and 3 the electronics are networked also by CAN in a system known as KontAct (Concept of the Electronic systems in the Actros).

There is a wide range of other electronic features, offered as extras. These include lane assist (warns the driver if they inadvertently leave their lane), Autonomous Intelligent Cruise Control ART (which engages the brakes if the vehicle in front suddenly stops), side looking radar for warning the driver about a vehicle in their blind spot, and many more, mostly oriented towards safety. All of them are marketed as "Telligent"

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