Give your 350SD’s engine a little TLC with routine oil changes. Schedule your next appointment today.
Need more info about 1991 Mercedes-Benz 350SD oil changes? Get the advice you need at Firestone Complete Auto Care! Our expertise goes beyond tires. Oil and lube services are also our specialties. After all, "Oil is the blood of the engine. It's the #1 thing you can do for your car," says our maintenance technician, Brianna.
Your 1991 350SD’s oil should be changed according to Mercedes-Benz’s recommended oil change intervals. Check out mileage and month info for your 350SD in the above table. Outside of Mercedes-Benz-recommended oil change intervals, your 350SD may need an oil change if your check engine light is on, you hear knock knock knock coming from the engine, smell oil inside the vehicle, or notice excess vehicle exhaust. You might need an oil change more frequently than what’s recommended by Mercedes-Benz if you regularly haul heavy loads, frequent dusty roads, go off-roading a lot, or drive at low speeds for long distances. In general, being extra-diligent about oil changes won’t damage your Mercedes-Benz 350SD. Each oil change is actually another chance to check and resolve other car issues, such as worn brake pads or tire treads.
Your local Firestone Complete Auto Care has the right 1991 Mercedes-Benz 350SD motor oil: either synthetic or conventional. Mercedes-Benz has recommendations as to whether conventional or synthetic oil is the best motor oil for your 1991 350SD. This oil helps lubricate engine parts, maintain proper engine temperature, and keep harmful substances from building up inside the engine. During your oil change service, an auto technician will change your 350SD’s oil, replace and recycle your used oil and oil filter, check all of your other filters, top-off important fluids, and perform a courtesy inspection on your entire vehicle. You can drive easy knowing that we strive to do what's best for your vehicle and take into account your driving style, climate,
Wondering what motor oil brands you can find at Firestone Complete Auto Care? We carry the best because your 350SD deserves the best. Consult Mercedes-Benz's recommendations to select the right 1991 350SD oil and talk with a teammate to learn more about our oil options: Quaker State® Advanced Durability™ conventional oil, Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, and Shell Rotella® heavy-duty engine oil. There are plenty of motor oils on the market today, so why do we prefer these brands? They are proven winners. For example, when tested in taxi fleets across North America, Quaker State was shown to provide 2x more protection than the industry standard.  Pennzoil is another option. Pennzoil Synthetics feature the capabilities to advance with vehicle technology to offer complete protection for not only the engines of today, but also the engines of tomorrow. For heavy-duty engines, there's Shell Rotella. It's expressly designed for gasoline and diesel engines that need to overcome the strenuous working conditions, and is fortified to deliver improved oxidation resistance, heightened performance in extreme temperatures, and increased wear protection. For help picking the correct motor oil for your 1991 Mercedes-Benz 350SD, refer to Mercedes-Benz's recommendations first.
The next time your Mercedes-Benz 350SD needs an oil change, you know where to go! Your local Firestone Complete Auto Care has some of the best motor oil for Mercedes-Benz 350SDs. We'll take care of you quickly, with the right engine oil at a competitive price. Find out how much your Mercedes-Benz 350SD oil change will cost by calling ahead. Get professional engine care by making an oil change appointment for your 350SD today. Many stores offer extended and weekend openings for your convenience.
 ILSAC GF-5 represents the latest performance standard set by the International Lubricant Standardization and Approval Committee (ILSAC), a joint effort of U.S. and Japanese automobile manufacturers. Most automobile manufacturers are expected to recommend oils that meet ILSAC GF-5. API SN is the most recent service category issued by API’s Lubricants Group. Oils meeting API SN and the new “Resource Conserving” designation meet all ILSAC GF-5 performance requirements.