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Holistic Approach for Vehicle Safety at Mercedes-Benz
Per Lewerenz, Mercedes Benz AG,
RD/KSF, VET 2019
Agenda
2. The Integral Safety Strategy
1. History of Vehicle Safety
History of Road Accidents
Vehicle Safety| Per Lewerenz | Nov 2019 3
Safety Aspects of the Benz Patent Motor Car from 1886
• Comfortable and safe
• Easier and safer to operate
compared to horse buggies
Vehicle Safety| Per Lewerenz | Nov 2019 4
Mercedes-Benz – The Cradle of Vehicle Safety
Vehicle Safety| Per Lewerenz | Nov 2019 5
More than 75 Years of Experience in Passenger-Car Safety Development
1939 The „Father of Passive Safety“, Béla Barényi, was employed by Daimler-Benz.
1959 Crumple Zone, Rigid Passenger Cell and Interior Paddings were implemented in series production for
the first time.
Mercedes-Benz – The Cradle of Vehicle Safety
Vehicle Safety| Per Lewerenz | Nov 2019 6
2009 Attention Assist, Self-Adaptive Belt Force Limiter
2013 PRE-SAFE® Impulse, Beltbag, Active Buckle Lifter
1978 ABS
1980 Airbag, Belt Tensioner
1997 Sandwich Concept
2002 PRE-SAFE®
2003 Active Light Function
1996 Brake Assist
2006 PRE-SAFE ® Brake, Intelligent Light System
1959 Crumple Zone
2007 Blind Spot Assist
2008 Reversible Active Bonnet
1989 Automatic Rollover Bar
1995 ESP®, Sidebag
1998 Windowbag, Adaptive Front Airbag
2005 Adaptive Brake Lights, Brake Assist PLUS, NECK-PRO Head Restraint
2016 PRE-SAFE® Sound, PRE-SAFE® Impulse Side
International Accident Statistics
Vehicle Safety| Per Lewerenz | Nov 2019 7
0
20
40
60
80
100
120
140
160
180
200
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Get
öte
tein
[%
]
Jahr
China (offiz. Angaben)
Japan
EU 27 / 28*
Deutschland
Indien
USA
Source: Care Database; EU-28, 2017: US
Department of Transportation, www.e-
stat.go.jp 2016, MORTH 2016, WHO 2015,
The People’s Republic of China Road Traffic
Accident Annual Statistic Report
EU 28 - 2016:
Goal 2020:
15.500 (-40% / 2011)
2016:
25.500 (-19% / 2011)
The EU has not yet reached the target value
Worldwide: Increased fatalities in countries with increasing demand for individual mobility
USA 40.200
J 3.904
D 3.206
VC 58.022
EU28 25.500
India 150.785
China
Japan
EU 28
Germany
India
USA
Fata
litie
s [%
]
SAFE ROADS Global Initiatives to Increase Safety Awareness
Vehicle Safety| Per Lewerenz | Nov 2019 8
Global Safety
Communications
Hub
Sindelfingen
1.250.000 road fatalities worldwide
Fatalities from Road Crashes
Vehicle Safety| Per Lewerenz | Nov 2019 9
Brazil
32.675
(2013) 3
USA
38.651
(2015)1
27.025
(2013) 1
Russia
China
India
EU37.183
(2017) 3
42.266
(2013)1
19 088
(2017)13.275
(2018) 2
Germany
3.339
(2013) 2
Quellen: 1 WHO status report 2013/182 Statistisches Bundesamt, Fachserie 8, Reihe 7, 2015/19 3 NHTSA Traffic Safety Facts, DOT HS 812 4564 CARE Database, Annual Accident report 20175 Government of India 20166 National Bureau of Statistics of China
147.913
(2017) 5
137.572
(2013)5
63.772
(2017) 658.316
(2013)625 100
(2018) 4
25 956
(2013) 4
Europe 2014 – 25.700 Fatalities on the Road
Vehicle Safety| Per Lewerenz | Nov 2019 10
Would you ever use a plane if
62jumbo jets crashed every year
in Europe only?
Source: Spiegel Online, Boeing 747-400, 416 Sitzplätze
German Accident Statistics
Time History of Traffic Fatalities
Vehicle Safety| Per Lewerenz | Nov 2019 11
Target for
Germany:
- 40%
stagnation since 2010
Quelle: Statistisches Bundesamt (Destatis), 2019
Vehicle Safety| Per Lewerenz | Nov 2019 12
Agenda
13
2. The Integral Safety Strategy
1. History of Vehicle Safety
Vehicle Safety as a Core Value of Mercedes-Benz
Vehicle Safety| Per Lewerenz | Nov 2019 14
Consistently design
vehicles with excellent
crash worthiness
Passive Safety
Use all options for
accident avoidance and
mitigation
Active Safety
Real Life Safety – Never Stop Improving
Vehicle Safety| Per Lewerenz | Nov 2019 15
© OpenStreetMap contributors
Field Assessment, Data Analytics
Updated Safety Requirements for
future Models, Innovations
Product Implementation,
Testing
Product Validation, Accident Research, Product Analysis,
Customer Feedback
The Integral Safety Strategy of Mercedes-Benz
Vehicle Safety| Per Lewerenz | Nov 2019 16
Integral Safety Approach
Phase 1:
Safe driving
Phase 2:
In critical driving situations
Phase 3:
During a crash
Phase 4:
After a crash
Active Safety Passive Safety
The Driving Assistance Package Plus in the new GLE
Vehicle Safety| Per Lewerenz | Nov 2019 17
Active Distance Assist DISTRONIC◢ with route based speed adjustment
◢ with end of a traffic jam function
◢ Active Speed Limit Assist
◢ Active Stop-and-Go Assist
Active Brake Assiststandard with pedestrian/bicyclist detection
in Driving Assistance Package with:
◢ cross-traffic function
◢ congestion emergency braking function
◢ turning maneuver function
Active Steering Assist◢ Active Lane Change Assist
◢ Active Emergency Stop Assist
◢ with emergency corridor function
MULTIBEAM LED
◢ Adaptive Highbeam Assist Plus
◢ ULTRA RANGE Highbeam
Active Parking Assist
◢ PARKTRONIC
◢ Trailer Maneuvering Assist
Active Blind Spot Assist◢ with vehicle exit warning function
PRE-SAFE®
Sound
Evasive Steering Assist
ATTENTION ASSISTCar-to-X Communication
PRE-SAFE® PLUSActive Lane Keeping Assist
PRE-SAFE® Impulse Side
◢ NEW
PRE-SAFE®Preventive Care
Vehicle Safety| Per Lewerenz | Nov 2019 18
standard
part of a package
standardstandard
standard
part of a package
Preparing the Vehicle and the Occupant for a Possible Crash
PRE-SAFE® Impulse Side Components
Vehicle Safety| Per Lewerenz | Nov 2019 20
PRE-SAFE Impulse Side
coldgas inflator
PRE-SAFE Impulse Side sensor
The first pyrotechnical restraint system that uses radar only for the deployment
decision
PRE-SAFE® Sound
Vehicle Safety| Per Lewerenz | Nov 2019 21
PRE-SAFE® Sound
Vehicle Safety| Per Lewerenz | Nov 2019 22
1 Eardrum 3 Stapedes
2 Inner ear 4 Stapedius muscle
4
2
1
3
Preventive pre-conditioning of the occupants
• Idea: reduce the effects of noise stress caused by
collisions
• Function: If the car detects certain critical situations, the
sound system emits a short pink noise signal
Reflex mechanism
• Pink noise pattern is able to make the stapedius muscle
contract
• Protective effect: reduced noise effect on the inner ear
The Integral Safety Strategy of Mercedes-Benz
Vehicle Safety| Per Lewerenz | Nov 2019 23
Integral Safety Approach
Phase 1:
Safe driving
Phase 2:
In critical driving situations
Phase 3:
During a crash
Phase 4:
After a crash
Active Safety Passive Safety
Restraint Systems (Example: S-Class)
Vehicle Safety| Per Lewerenz | Nov 2019 24
Driver airbag
Kneebagfor the driver
PRE-SAFE® belt tensioner and adaptive belt force limiter for driver and front passenger
Pyrotechnical belt pretensionerand self-adaptive belt force limiter at the outside seats in the rear compartment
Sidebags for front and rear
WindowbagsCurtain-airbags for front and rear seats
Front passenger airbag with active vent
Beltbag - inflatable seatbelts for outer rear-seat passengers
PRE-SAFE® rear seat-belt buckles for outer rear-seat passengers
PRE-SAFE ® Impulse pretensioner and load limiter for driver and front passenger
Seat cushion airbag (executive reclining seat)
Highly
sophisticated
restraint systems
Advanced restraint
systems in combination
with an intelligent body
design are the key for
efficient occupant
protection.
The Key Principles of Passive Safety
Vehicle Safety| Per Lewerenz | Nov 2019 25
1) Dissipate energy during a crash
2) Maintain a stable passenger compartment
3) Provide proper restraint of the occupant
red: crash-relevant structures, mainly made of high strength steel
purple: ultra high-strength steel
blue: aluminium parts
The Integral Safety Strategy of Mercedes-Benz
Vehicle Safety| Per Lewerenz | Nov 2019 27
Integral Safety Approach
Phase 1:
Safe driving
Phase 2:
In critical driving situations
Phase 3:
During a crash
Phase 4:
After a crash
Active Safety Passive Safety
After a Crash – depending on the severity of the crash
Vehicle Safety| Per Lewerenz | Nov 2019 28
- Activate for instance: hazard warning lights, interior lights,
door position lights
- Automatic Collision Notification (Emergency Call)
- Lower front windows to ventilate the interior
- Warn other vehicles by car-to-car communication
- Automatic engine off switch
Rescue Card
(QR-Code)
Rescue Assist App
Vehicle Safety| Per Lewerenz | Nov 2019 29
Thank you for your attention!
Vehicle Safety| Per Lewerenz | Nov 2019 30