Electrical System; Alternator; Technical Data; Spark Plugs - Mercedes-Benz 2009 R-Class Operator's Manual

Electrical system

Model

Alternator

Starter motor
Battery

Spark plugs

Type
Electrode gap
Tightening torque
R 320 BlueTEC
14 V / 220 A
12 V / 2.0 kW
12 V / 95 Ah
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Technical data

Electrical system
R 350
14 V / 180 A
12 V / 1.4 kW
12 V / 70 Ah
Bosch Y 7 MPP33
0.031 in (0.8 mm)
15 lb-ft - 18 lb-ft (20 Nm - 25 Nm)
Z
397