How To Reset the Tire-Pressure Light in a Mercedes-Benz?

Here's what to do when that pesky warning won't go away.

Alex Nishimoto | 
Feb 23, 2023 | 2 min read

2022 Mercedes-Benz CLSMercedes-Benz

Mandatory equipment on new vehicles, a tire-pressure-monitoring system alerts you when the air pressure in your tires dips below a certain point. When this happens in a modern Mercedes-Benz, a flat-tire tire pressure light illuminates on the dashboard and a message appears in the instrument-cluster screen. You should check your tires as soon as possible. It could be that a drop in temperature caused the air in the tires to condense, in which case you just need to add some more, but such a warning could also be a sign of something more serious—like a leak or puncture. Whatever the issue is, once you've addressed it and confirmed your tires have adequate pressure, the light should turn off by itself after you’ve taken the car for a drive at 50 mph for 10 minutes. If it doesn't, here's what you can do.

Step 1: Press the Home Button

While parked, turn the vehicle on without starting the engine. Then hit the home button located on the left side of the steering wheel. This step is the same for both 2012-17 Mercedes models like the GLC with COMAND tech, and 2018-and-later models like the CLS with the MBUX infotainment system and fully digital instrument panel.

Step 2: Scroll to Service

In an older model, use the down arrow on the steering wheel to get to the Service menu in the instrument-cluster screen, then hit OK. If you have a newer Benz, use the wheel’s touch-sensitive button to scroll to the right and find Service, then hold for three seconds until the light blinks to reset. Wait 20 minutes for the sensor to fully reset.

Step 3: Reset the Tire Pressure Light

In a 2012-17 Mercedes, you're looking for Tire Pressure. In a 2018-or-newer model, you're looking for Tires. Hit OK or click the touch button to reset the system. After you do this, keep an eye on the tire-pressure screen over the next few days to ensure everything is working properly. As the tires warm during a drive, the air inside of them will heat and expand, so the pressures should go up slightly.

If the numbers don’t change at all, even with temperature fluctuations, it's possible you have a bad sensor. And if the figures decrease, you likely have a leak. In either case, you should schedule an appointment with a tire shop or your local Mercedes dealer to figure out what the issue is.


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Alex Nishimoto

Alex Nishimoto is a Los Angeles-based writer with 15 years experience covering the auto industry. He spent much of his career as an editor on staff at a major automotive magazine, testing cars, writing articles, and assisting on segment-defining comparison tests. When he's not writing about cars, he's wrenching on his E30-generation BMW 325is, which he's owned since college and plans to restore one day.