Used 2021 Mercedes 400 Engine

Budget-Friendly 2021 Mercedes 400 Engines — Direct Fitment Guaranteed

Replacing the assembly on your 2021 Mercedes 400 doesn't mean raiding your savings. Our authorized LKQ supplier sources premium OEM-grade Engines daily, delivering up to 70% off retail directly to installation centers across the United States.

Our coast-to-coast logistics handles everything. Whether your commuter needs attention in Las Vegas NV, Seattle WA, Tucson AZ, Baltimore MD or your mechanic is in Austin TX, Columbus OH, Tampa FL, we coordinate rapid freight that typically clears transit in as little as 4 days.

Each assembly clears a multi-point inspection involving compression testing. Our commitment extends beyond the sale — and if you need matching accessories, our yards carry Engine Blocks, Instrument Clusters, Suspension Crossmembers as well.

Auto recycling facilities are highly regulated in the United States. Reputable certified auto dismantler operations maintain EPA compliance and proper title documentation on every recycled write-off in their yards. This means the certified LKQ assembly you receive is legally sourced from a documented write-off.