4PCS Camshaft Adjuster for Mercedes Benz E550 E63 ML550 S550 M278 Engine

Camshaft Adjuster for Mercedes Benz

This four-piece camshaft adjuster set regulates variable valve timing for proper engine performance and efficiency on M278 engines.

Overview

This replacement Camshaft Adjuster set restores precise control over engine variable valve timing systems. Faulty Camshaft Adjuster units often cause timing chain rattle, check engine lights, and loss of power. Technicians install these precision-machined Camshaft Adjuster gears to restore factory performance and smooth operation.

Built For Performance

• Manufactured from high-strength alloy steel to resist wear and fatigue.
• Internal locking pins are engineered to prevent premature cold-start rattle.
• Precision tooth profiles provide quiet, reliable timing chain interaction.
• Restores variable valve timing responsiveness across all engine RPMs.

Fits These Machines

• for Mercedes Benz E550 with M278 Engine
• for Mercedes Benz E63 with M278 Engine
• for Mercedes Benz ML550 with M278 Engine
• for Mercedes Benz S550 with M278 Engine

On-The-Job Use

• Used when performing timing chain replacements or engine overhauls.
• Applied to eliminate cold-start rattle noises from the front timing cover.
• Utilized to clear variable valve timing diagnostic trouble codes.

Specs At A Glance

Good To Know

Q: What is the main sign that these adjusters need to be replaced? A: A prominent rattling noise during a cold start that lasts for a few seconds is a common symptom.

Q: Does this set include both intake and exhaust adjusters? A: Yes, this complete four-piece set includes adjusters for both intake and exhaust positions.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.