The control unit can be coded dependent on the
equipment specification. The equipment features can be selected based on the PR
numbers (production numbers).
The code of the adaptive suspension control unit
-J197 is five-digit.
5 4 3 2 1
Digit one: X X X X X : Not used
Digit two: X X X 1 X : Vehicle without trailer control unit
Digit two: X X X 2 X : Vehicle with trailer control unit
Digit three: X X 0 X X : Eight-cylinder engine
Digit three: X X 1 X X : Four- or six-cylinder engine with
Digit three: X X 2 X X : Four- or six-cylinder engine with
Digit four: X 0 X X X : Without engine underbody guard (RoW
Digit four: X 1 X X X : With engine underbody guard (rough
Digit five: 0 X X X X : ROW countries
Digit five: 1 X X X X : China
Example: 01210 Vehicle without trailer control unit, four- or
six-cylinder engine with four-wheel drive, with
engine underbody guard.
J A 0000000 code is not permitted.