Hella Pagid 355019821 Front Brake Pad Set for Mercedes

If you own one of the mid-size Mercedes-Benz SUVs from the last decade, you already know the front brakes do most of the work. These are heavy trucks, and the front pads wear first. This Hella Pagid set, part number 355019821, is the front-axle pad set for that whole family. It fits the ML350, ML250, and ML400, the GL350 and GL450, and the later GLE and GLS models through 2019. So whether you're in a 2013 ML350 or a 2018 GLS450, this is the pad that goes on the front.

Here's why that matters. Hella Pagid is the aftermarket line built on the same friction technology that supplies a lot of European factory brakes. This set uses an OE-formulated, low-metallic compound. In plain terms, that's a friction material with a small amount of steel fiber mixed in. It bites well when cold, holds up to the heat these heavy SUVs throw at the brakes on a long downhill, and it's kind to your rotors. You get the same firm, progressive pedal you had when the truck was new.

Low-metallic pads do produce a little brake dust, and that's the honest trade-off. It's the price of that strong, consistent bite and good fade resistance. If you've been running the factory pads, you won't notice a real change in dust or noise. This is the compound Mercedes drivers expect on these SUVs, not a soft budget pad that gets vague when it's hot.

The fitment runs across a lot of trims, so let's be specific. Front application covers the 2012 to 2015 ML350, the 2015 ML250 and ML400, the 2013 to 2016 GL350, the 2014 to 2016 GL450, the 2016 to 2018 GLE350, the 2016 to 2017 GLE300d and GLE400, the 2019 GLE400, the 2017 GLS350d, and the 2017 to 2019 GLS450. These share the same front caliper and Teves brake system, which is why one pad set covers the group. Always confirm against your own caliper and rotor before you order, since trim and package changes do happen.

A word on the wear sensor. This set is prepared for a wear indicator, but the electronic sensor itself is not included in the box. On these Mercedes, the sensor is a separate wire-and-tab part that clips into the pad. If your old sensor is intact and hasn't tripped, plenty of techs reuse it. If it's worn through or the dash light is already on, replace it while you're in there. It's a cheap part and you've already got the wheel off.

Doing the job yourself? It's a straightforward afternoon on these trucks. Pull the wheel, unbolt the caliper, swap the pads and the anti-rattle hardware, and torque everything back to the factory spec for your model. Compress the caliper piston slowly so you don't push fluid back the wrong way. Clean the slide pins and the caliper bracket while you're in there, and fit fresh anti-rattle shims and clips if the old ones are corroded. Then bed the new pads in. A series of moderate stops from about 40 to 10 mph, repeated a few times, lets the friction material lay an even transfer layer onto the rotor. Skip that step and you invite uneven deposits and a shudder down the road.

A pad change is also the right time to check the rest of the corner. Look at the rotor faces for deep grooving or a lip at the edge, glance at the flexible brake hose for cracks, and top off or flush the brake fluid if it's been a few years. None of that is required to fit these pads, but on a truck this heavy it's cheap insurance and it keeps the pedal feeling right. Good pads on a tired rotor still shudder.

One thing to be clear about: this is the front axle only. If your rear pads are also getting thin, you'll want the matching rear set for your model. And despite the vendor label in some catalogs, these are automotive brake pads for road-going Mercedes-Benz SUVs, not a marine part. Get the right axle, bed them in properly, and this set gives you clean, confident stopping for years.