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And 3.0 biturbo. For use after chain stretch or guide wear. Sold per kit, variant specific to engine code and year.
What this is / isn’t:
Included: Primary timing chain, fixed and pivot guides, hydraulic tensioner, guide pins or rails, front cover seal or gasket where supplied.
Important: Match by VIN and engine code M276. Sub variants differ, M276.9xx 3.5 NA and M276 DELA30 3.0 biturbo, including AMG 43. Guides, tensioner and chain spec can vary by year. Always confirm by OE number before ordering.
Key Features:
Geometry: Correct chain pitch and guide profile for accurate cam timing.
Construction: Hardened pins and guide faces.
Stable tension control: Calibrated hydraulic tensioner maintains chain load across rpm and temperature.
Seal: New front cover seal or gasket where supplied.
Fitment: Replacement parts, to be installed using the factory timing tools.
Compatibility:
Common Mercedes models with M276 V6, confirm by VIN or OE:
C Class W204, W205 C350, C400, C450, AMG C43 where fitted
E Class W212, W213 E300, E350, E400, E450
CLS C218, early C257 CLS350, CLS400, CLS450
S Class W222 early, some W221 late S300, S400, S450 where M276 fitted
SLK R172, SLC R172
GLK X204 late, GLC X253
ML W166, GLE W166 and W167, GL X166, GLS X166, selected trims
Drivetrain: 2WD and 4MATIC where applicable. Markets and years vary, match by VIN.
Always order by the exact OE part number on your vehicle or confirm via VIN.
When to replace a timing chain kit:
Rattle at cold start or warm idle, chain slap from timing cover.
Fault codes for cam crank correlation, P0016, P0017, or cam adjustment range errors.
Retarded cam timing on scan data, rough running, poor fuel economy.
Metal debris in oil filter, worn guide material found during service.
Installation notes, pro tips:
Use correct crank and cam locking tools, follow factory timing marks and torque specs.
Replace one time use fasteners, crank bolt and cam bolts where specified.
Clean sealing faces, use approved sealant on the front cover, allow proper cure.
Change engine oil and filter after repair, use Mercedes approved oil, MB 229.x spec.
Clear adaptations, road test and recheck for leaks or stored faults.
What’s included, not included:
Included: Timing chain, guides and hydraulic tensioner, front cover seal or gasket where supplied
Not included: Oil, sealant, crank bolt, cam phasers, water pump, belts, auxiliary hardware unless listed
Q&A
Q1: Will this kit fix the cold start rattle?
Yes, when rattle is caused by chain stretch or worn guides. Correct tensioner and precise timing setup are essential.
Q2: Do I need special tools?
Yes, cam and crank locking tools and a torque angle gauge are needed to set timing accurately.
Q3: Can I reuse the crankshaft bolt?
Not advised, it is usually torque to yield. Replace with new where specified.
Q4: Do I need to replace cam phasers?
Only if diagnostics show wear or faults. Many repairs are resolved with chain, guides and tensioner.
Condition: New aftermarket replacement part. Not an original Mercedes-Benz part; brand and model names are used only to show fitment.


Hello! Need help? Don’t worry, I’ve got you. Tell me what’s up, and I’ll be happy to assist 💁
