What is the best engine oil for Mercedes-AMG?

[VanHaley]

Mercedes-AMG recommends using genuine Mercedes engine oil or fully synthetic oil. Below is an introduction to the 2021 Mercedes GLS63 AMG: 1. Powertrain: The 2021 GLS63 AMG is powered by a 4.0T twin-turbocharged V8 engine paired with an EQ Boost 48-volt mild hybrid system, delivering 603 horsepower and 850 Nm of peak torque, achieving 0-100 km/h acceleration in just 4.1 seconds. 2. Interior: Features dual 12.3-inch screens - one as the infotainment touchscreen and the other as a fully digital instrument cluster, designed with interconnected display technology for strong technological appeal. Equipped with the latest MBUX infotainment system, it offers voice control, AR-enhanced navigation, various ambient lighting options, and massage functions.

[AliceDella]

I usually enjoy taking my AMG to the track, where the engine frequently revs between 5,000 to 6,000 RPM. Choosing the right oil is absolutely crucial. Mercedes-Benz requires fully synthetic oil with MB229.5 or 229.52 certification. I’ve been using Mobil 1 0W-40 for years—it maintains stable oil film even under high temperatures on track days, with no noticeable degradation after several laps. Last year, I tried a 5W-50 racing oil once, but it provided insufficient lubrication during cold starts, causing noticeable engine vibration, so I quickly switched back. Now, I always buy an extra liter during maintenance since aggressive driving tends to burn oil. And never skimp by using regular oil—AMG’s piston rings and turbochargers are precision-engineered, and low-quality oil can cause cylinder scoring in no time. For daily street driving, I recommend checking the oil level every 5,000 kilometers.

[ValerieDella]

As an auto mechanic, I adhere to three principles when changing oil for AMG owners: certification, viscosity, and base oil. The Mercedes MB229.5 certification is the minimum requirement, with 229.52 being even better—if the bottle doesn’t have this label, it’s an instant pass. For viscosity, 0W-40 is the top choice, though 5W-40 works for Northeast winters, but the high-temperature shear value must exceed 3.5cP. Premium full synthetics like Shell Helix Ultra or Castrol Edge are solid options, but pay attention to the base oil—Group IV PAO lasts longer than Group III oils. I’ve seen cases where Group III oils oxidized and coked up after just 8,000 km. Two extra tips: Don’t exceed 8 liters of oil, and the fill port is on the engine’s right side. Also, stick to a 10,000-km oil change interval—reduce it to 7,000 km if you frequently push the car hard.

[DiLucas]

When I first got my AMG, I researched engine oil. The dealership recommended the original oil, but it was too expensive. Later, I found that any oil with MB229.5 certification would work. Currently, I use Shell 0W-40 from Germany, which is 30% cheaper than the original. Cold starts are noticeably smoother, and the auto start-stop vibration in traffic is reduced. Once, I tried a lesser-known brand to save money, but the engine noise increased and acceleration became jerky, so I immediately switched back to a reputable brand. Now, I change the oil every six months, and the oil filter must be replaced simultaneously—otherwise, it's pointless. I recommend taking the car for a high-speed run before the first service to allow the oil to properly break in.

[VonEden]

Maintaining an AMG requires special attention to oil certification codes. For instance, my C63 strictly requires MB229.51. The service manual specifies the exact type, stating that either 5W-40 or 0W-40 is acceptable, but using the wrong viscosity can affect the V8's cylinder deactivation function. A friend used 5W-30 and ended up triggering a fault code, costing 800 yuan for a reset at the dealership. Now I consistently use Mobil FS 0W-40, saving over 200 yuan by purchasing online instead of at physical stores, but I always verify the anti-counterfeit label. Another critical point is oil temperature. During aggressive driving, oil temps can reach 130°C, at which point conventional mineral oils would have already broken down. I recommend keeping an OBD scanner handy and easing off the throttle if oil temps exceed 120°C.

[Sophie]

After using three AMG models, I concluded that high-temperature protection is the most crucial factor for engine oil. I highly recommend 0W-40 full synthetic oil, which offers better low-temperature fluidity than 5W-grade oils, ensuring proper cold-start protection in winter. Once, while continuously climbing a desert highway, my oil temperature soared to 140°C, but thanks to using Castrol Edge, the engine didn't seize. Now, I adhere to three principles: no ethanol-blended gasoline to reduce sludge formation, no performance modifications to avoid overloading the oil, and no mixing different oil brands. Last time, I mixed half a bottle of Mobil into Shell, causing erratic idle speeds. Also, a reminder for southern car owners: in humid and hot regions, it's advisable to shorten the oil change interval, as high air humidity accelerates oil emulsification.