Viscosity classes of engine oils (CV engines) - BB00.40-P-0224-02A
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Commercial vehicle engines (BR 300, BR 400, BR 500, BR 900)
Industrial Engines from the Commercial Vehicle Sector (BR 300, BR 400, BR 500, BR 900)
A precise application of the SAE grades in accordance with ambient air temperatures would require more frequent engine-oil changes. The temperature limits for the SAE grades should therefore be regarded as guidelines, which can be exceeded or undercut for a short duration.