2006 Mack MR problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 2006 Mack MR — too few to judge reliability from owner reports alone — but 2 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

NHTSA complaints

Recalls

Investigations

Crash-involved

Fires reported

Injuries

Deaths

—

NCAP overall

How does 2006 compare to other MR years?

MR NHTSA complaints by model year, 2006 highlighted. Red bars are years to avoid.

See all MR years to avoid →

Does the 2006 Mack MR have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

08V144000BrakesMarch 26, 2008 · 218 units

Defect

MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.

Consequence

AS A RESULT, AN AIR LEAK IN THE SECONDARY OR PRIMARY SYSTEM MAY RESULT IN THE PARK BRAKES INADVERTENTLY APPLYING, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL ADD A CHECK VALVE TO THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE AND WILL ALSO REPAIR THE SR-7 VALVE BY APPLYING A CHECK VALVE REPAIR KIT AS REQUIRED FOR THE BENDIX SAFETY RECALL (PLEASE SEE 07E-037). THE RECALL BEGAN ON APRIL 15, 2008. OWNERS MAY CONTACT MACK AT 1-800-528-6586.

05V524000Fuel SystemNovember 17, 2005 · 4,482 units

Defect

ON CERTAIN DIESEL POWERED HEAVY DUTY TRUCKS, THE BOLTS ATTACHING THE FUEL TANK MOUNTING BRACKETS TO THE FRAME MAY HAVE INSUFFICIENT TORQUE AND THEREFORE MAY RESULT IN PREMATURE FAILURE OF THE FUEL TANK MOUNTING.

Consequence

IF THE FUEL TANK FALLS, THERE IS THE POTENTIAL FOR THE TANK TO IGNITE, RESULTING IN PERSONAL INJURY, VEHICLE AND PROPERTY DAMAGE.

Remedy

DEALERS WILL INSPECT AND REPLACE THE FUEL TANK BRACKET MOUNTING BOLTS FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 6, 2006. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.

2006 Mack MR — common questions

Is the 2006 Mack MR reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 2 recalls should be verified as completed.

Does the 2006 Mack MR have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2006 Mack MR. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.

How does 2006 compare to other MR years?

Does the 2006 Mack MR have recalls?

2006 Mack MR — common questions

Is the 2006 Mack MR reliable?

Does the 2006 Mack MR have recalls?

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