1. Tire condition for Coast Down
WLTP-DTP-
LabProcICE-168rev1
Tire condition for Coast Down
Proposal LabProcICE
Manuel Schuster – Daimler AG
I:\E-I\ep-qz-abt\ep_qzm\92 WLTP\12 DTP subgroups\Präsentation\Statusbericht WLTP_Stand Mai2012 Thema RLD-aerodynamics.ppt
Titel der Präsentation in 9 pt CorpoS Regular | Abteilung | Datum

2. WLTP - tire preparation for coast down
WLTP-DTP-LabProcICE-168rev1
WLTP - tire preparation for coast down
Proposal A
8.000 km run-in tires
(70%-90% remaining tread depth)
=> 3 weeks
Proposal B - „should be allowed as an option“
Tire shaving to an equivalent of km km on-vehicle (road/dyno) running-in
tire shaving to an equivalent of km [B.1]
=> 3 days
running resistance kph]
rolling resistance [‰]
fuel economy [gr. CO2/km]
Test Configuration:
S 500 – 4x2
Conti 255/45 R18 Sport Contact 2
tire pressure:
front 2,4 bar, rear 2,6 bar
10,4
9,1
- 1,5
10,2
8,6
- 1,6
new A B
B.1
tire condition