If Pennzoil makes an oil that meets Mercedes MB229.52 spec, or as specified in your owner's manual, should be fine.
Believe this Mobil 1 does meet spec: https://www.amazon.com/Mobil-121218-...des+diesel+oil
Believe other Mobil 1 oils do not.
__________________
JLeising
2012 Solera "S"
Calif SF Bay Area