Mercedes-Benz E-Class 2007 Owners Manual - Manual (Page 489)

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Technical data
Electrical system
Model E 350, E 350 4MATIC E 550, E 550 4MATIC E 63 AMG
Generator (alternator) 14 V/180 A 14 V/180 A 14 V/180 A
Starter motor 14 V/1.4 kW 14 V/1.7 kW 12 V/2.1 kW
Battery 12 V/95 Ah 1
1 Depending on production date, your vehicle may be equipped with a 12 V/100 Ah battery.
12 V/95 Ah 1 12 V/95 Ah
Spark plugs Bosch Platin Y 7 MPP33
NGK PLKR 6A Bosch F8 DPP 332U
NGK PFR 5R-11 NGK ILZKAR7A10
Electrode gap 0.031 in (0.8 mm) 0.039 in (1.00 mm) 0.039 in (1.00 mm)
Tightening torque 15 - 22 lb-ft (20 - 30 Nm) 18.5 - 22 lb-ft (25 - 30 Nm) 15 - 18.5 lb-ft (20 -25 Nm)
Model E 320 BLUETEC
Generator (alternator) 14 V/180 A
Starter motor 14 V/2.0 kW
Battery 12 V/95 Ah 1
1 Depending on production date, your vehicle may be equipped with a 12 V/100 Ah battery.