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English   The new Mercedes-Benz Tourismo RHD
17.07.2017 von admin



Mercedes-Benz Tourismo RHD L – 17/3

Three transmission variants to cover all applications and regions

The transfer of power is undertaken as standard by a six-speed Mercedes-Benz manual transmission via a practical joystick lever in the cockpit. The transmissions are proven units adopted from the previous model series.

The same is true of the optional fully automated eight-speed Mercedes-Benz GO 250-8 PowerShift transmission. This is available for all engine variants, including the compact Mercedes-Benz OM 936. With its progressive stepping, the transmission is precisely configured for use in buses and coaches. Changes of gear are undertaken both quickly and comfortably. A crawler mode allows delicate manoeuvring using the brake pedal alone as with an automatic transmission with torque converter. The fully automated transmission is controlled in the Tourismo for the first time via a space-saving and intuitively operated steering column switch. This has already been used in other Mercedes-Benz vehicles. Manual intervention during driving is not normally necessary, which means that the driver can keep both hands on the wheel.

Power is transferred fully to the proven Mercedes-Benz RO440 hypoid rear axle. This is extremely durable, as an axle designed specifically for buses it is particularly smooth running, and is both exceptionally efficient and fuel-saving in operation. As a way of catering to the specific area of deployment for an individual coach, operators can choose between two transmission ratios. These are configured for either maximum fuel efficiency or for traction.

For the right-hand-drive variants Mercedes-Benz has taken a different approach. As the operators in such countries tend to prefer automatic transmissions, the fully automatic eight-speed Mercedes-Benz GO 250-8 PowerShift bus transmission is fitted as standard in all vehicle variants. The right-hand-drive variants can also be equipped as an option with the six-speed ZF Ecolife torque-converter transmission.

Predictive Powertrain Control: anticipatory cruise control

Even lower fuel consumption, even more relaxed driving: the fully automated eight-speed Mercedes-Benz GO 250-8 PowerShift transmission finds its ideal companion in the optional driver assistance system Predictive Powertrain Control (PPC), a combination that improves efficiency still further. This anticipatory cruise control system is now available for the first time for the Tourismo RHD. PPC accesses the topographical data of virtually 100 percent of the motorways, trunk and main roads in Europe. Via GPS, PPC can at all times detect the current position of the coach and the route ahead with its height profile. On the basis of this data, the current speed plus the specified speed, the present vehicle mass plus information on the engine output, torque and transmission, PPC not only controls the speed but also intervenes in the transmission and selects the appropriate gear.

PPC accelerates before steep inclines, selects the right gear in an anticipatory fashion when going uphill, reduces power before hilltops and, within the permitted speed range, allows the touring coach to freewheel on downhill gradients with light peak engine revs. In so doing PPC also uses EcoRoll technology: in cases where this is worthwhile, the technology selects the transmission's neutral setting and thus allows the touring coach to freewheel for longer in a consumption-saving manner without any drag losses. The technology then smoothly selects and applies the appropriate gear. In short, with this tactic, and as tests have shown, PPC drives as considerately as an excellent coach driver. It does so with the utmost attention, around the clock, without any loss of stamina and with a perfect knowledge of virtually all the trunk roads in Europe.

The anticipatory cruise control system Predictive Powertrain Control (PPC) can save as much as four percent fuel in a coach. Depending on topography, PPC can however also reduce consumption significantly further.


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