The Mercedes 716.6 6-speed manual transmission was produced only from 1999 to 2016 and was used in almost the entire Mercedes model lineup, including all-wheel drive crossovers. It was this transmission that served as the basis for the Sequentronic robotic transmission, popular in some markets.
Manual transmission of the concern: 711.6, 716.5, 716.6, 716.7, 717.4.
Specifications
| Type | manual transmission |
| Number of gears | 6 |
| Type of drive | rear (basic versions: SG-S250, SG-S270) rear / all-wheel (powerful versions: SG-S370, SG-S400, SG-S440) |
| Engine volume, l | up to 2.0 (basic versions: SG-S250, SG-S270) up to 3.0 (powerful versions: SG-S370, SG-S400, SG-S440) |
| Torque output, Nm | up to 270 (basic versions: SG-S250, SG-S270) up to 440 (powerful versions: SG-S370, SG-S400, SG-S440) |
| Recommended oil | MB 235.10 |
| Oil capacity, liter | 1.5 (basic versions: SG-S250, SG-S270) 1.7 (powerful versions: SG-S370, SG-S400, SG-S440) |
| Partial replacement, liter | 1.2 (basic versions: SG-S250, SG-S270) 1.5 (powerful versions: SG-S370, SG-S400, SG-S440) |
| Maintenance | every 60 000 km |
| Gearbox lifespan, km | ~350 000 km |
| Weight, kg | 38 |
Gear ratios Mercedes 716.6
Using the example of a 2003 Mercedes C230 with a 1.8 turbo engine:
| Main | 3.46 |
| 1st | 4.459 |
| 2nd | 2.614 |
| 3rd | 1.723 |
| 4th | 1.245 |
| 5th | 1.000 |
| 6th | 0.838 |
| Reverse | 4.062 |
Using
The transmission was installed on:
- Mercedes C-Class W203 in 2000 – 2007; C-Class W204 in 2007 – 2015;
- Mercedes CLK-Class C208 in 2000 – 2003; CLK-Class C209 in 2002 – 2010;
- Mercedes E-Class W210 in 1999 – 2002; E-Class W211 in 2002 – 2009; E-Class W212 in 2009 – 2016;
- Mercedes ML-Class W163 in 1999 – 2005;
- Mercedes SLK-Class R170 in 2000 – 2004; SLK-Class R171 in 2004 – 2011;
- Mercedes Viano W639 in 2003 – 2014;
- Mercedes Vito W639 in 2003 – 2014.
Disadvantages of the Mercedes 716.6 gearbox
- This is a reliable and durable manual transmission with a service life of over 300,000 km;
- The main problems are related to natural wear and tear and are typical for any transmission;
- The most common complaints on specialized forums are leaks or play in the gear selection mechanism;
- Also, at high mileage, a humming sound from the bearings often appears when accelerating;
- However, the search for the source of the noise should begin with the driveshaft and rear axle.
