Mercedes-Benz 2008 SLK 350 Operator's Manual page 440

4 VIN 5 Engine number (engraved on engine)
6 VIN (lower edge of windshield)
7 Emission control information label,
includes both federal and California
certification exhaust emission
standards
i
When ordering parts, please specify vehicle
identification and engine numbers.
Technical data
Identification labels
439