Mercedes-Benz R-Class 2009 Owners Manual - Manual (Page 399)

Electrical system
397
Electrical system
Model R 320 BlueTEC R 350
Alternator 14 V / 220 A 14 V / 180 A
Starter motor 12 V / 2.0 kW 12 V / 1.4 kW
Battery 12 V / 95 Ah 12 V / 70 Ah
Spark plugs Type — Bosch Y 7 MPP33
Electrode gap — 0.031 in (0.8 mm)
Tightening torque — 15 lb-ft - 18 lb-ft (20 Nm - 25 Nm)
Technical data
Z