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Mercedes Benz R350 Problems

The Mercedes-Benz R350 is a unique blend of minivan practicality and luxury crossover styling. With 614 complaints and no reported deaths, the 2006 first model year had the most issues while 2012 proves most reliable. The R-Class offered three-row seating and Mercedes luxury but never achieved strong sales, leading to its 2013 discontinuation in the US market.

614
Total Complaints
18
Total Recalls
7
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

2006
✓

Best Years

These years have the fewest reported problems.

2009 2010 2012

Common Problem Categories

Suspension 110
Air Bags 80
Engine 64
Electrical System 54
Engine And Engine Cooling 44

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2012 16 3 0 0 Good
2011 44 3 4 0 Average
2010 28 3 0 0 Good
2009 38 3 0 0 Good
2008 96 2 0 0 Average
2007 130 2 6 10 Average
2006 262 2 4 28 Avoid

Mercedes Benz R350 Years to Avoid

The 2006 R350 should be avoided as the first model year accumulated the most complaints. Issues include air suspension failures, balance shaft problems on early V6 engines, and electrical gremlins. The complex systems introduced in this unusual vehicle had significant teething problems.

Best Mercedes Benz R350 Years

The 2012 R350 represents the best choice as one of the final model years with accumulated refinements. By this point, Mercedes had addressed most early issues, and the 3.5L V6 had been revised to eliminate the balance shaft concerns. The 2011 model is also a reasonable choice.

Frequently Asked Questions

Is the Mercedes R350 reliable?

Reliability is below average for Mercedes. The R-Class combines the complexity of a luxury vehicle with the utility demands of a minivan, creating more potential failure points. Later model years (2010-2012) are more dependable than early production, but budget for Mercedes-level maintenance costs.

What is the R350 balance shaft problem?

Early 3.5L V6 engines (2006-2008) had a defect where the balance shaft gear could wear prematurely, causing engine damage. Mercedes revised the design in later years. Any early R350 should be checked for this issue, and the repair if needed is extensive.

Why was the R-Class discontinued?

The R-Class never found its market, falling between minivans and traditional SUVs. Sales were disappointing, particularly in the US where buyers preferred conventional vehicles in either category. Mercedes discontinued it in the US after 2013, though it continued in some markets briefly.