Mercedes SLK R172 (from 2011) – batteries




Mercedes-Benz SLK in version R172 is produced from 2011. The following table presents information about batteries that match each of the engines available on the market.

Basic parameters of batteries suitable for Mercedes-Benz SLK (2011-):

LayoutTerminal typesBase hold-down
0 – positive on the right side1B13

Mercedes-Benz SLK R172 – petrol engines:
  • 200 – with Start-Stop
  • 250 – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 08
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK700
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK720
72 Ah
760 A
278x175x190 mmMore
Halfords Standard
AGM 096
70 Ah
720 A
278x175x190 mmMore
Halfords Advanced
AGM 096
70 Ah
760 A
278x175x190 mmMore
Lucas Fusion AGM
LF096
70 Ah
760 A
278x175x190 mmMore
Varta Silver Dynamic AGM
E39
70 Ah
760 A
278x175x190 mmMore
What battery will be best for a Mercedes-Benz SLK R172 with 200 or 250 engines? First and foremost, choose a battery made with AGM technology, as these engines have a start-stop system. Matching batteries have dimensions 278x175x190 mm. The parameters of these batteries are at least 70 Ah of a capacity and 720 A CCA (Cold Cranking Amps). The base hold-down of the above batteries is B13.

Mercedes-Benz SLK R172 – petrol engines:
  • 350 – with Start-Stop
  • 55 AMG

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 11
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK800
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK820
82 Ah
800 A
315x175x190 mmMore
Halfords Advanced
AGM 115
80 Ah
800 A
317x175x190 mmMore
Lucas Fusion AGM
LF115
80 Ah
800 A
315x175x190 mmMore
Varta Silver Dynamic AGM
F21
80 Ah
800 A
315x175x190 mmMore
One of the aforementioned petrol engines of the Mercedes-Benz SLK R172 has a start-stop system, while the other lacks this system. However, in both cases, AGM technology batteries should be used. We choose batteries with the dimensions: 315x175x190 mm or 317x175x190 mm. The parameters of these batteries are at least 80 Ah of a capacity and 800 A CCA (Cold Cranking Amps). All of the above motors have a base hold-down B13.

Mercedes-Benz SLK R172 – diesel engines:
  • 250 CDI

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 11
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK800
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK820
82 Ah
800 A
315x175x190 mmMore
Halfords Advanced
AGM 115
80 Ah
800 A
317x175x190 mmMore
Lucas Fusion AGM
LF115
80 Ah
800 A
315x175x190 mmMore
Varta Silver Dynamic AGM
F21
80 Ah
800 A
315x175x190 mmMore
The Mercedes-Benz SLK R172 with a 250 CDI diesel engine should be compatible with batteries of dimensions 315x175x190 mm or 317x175x190 mm, with a minimum capacity of 77 Ah. The most basic battery of this set is Exide AGM EK800 of a capacity 80Ah and 800A Cold Cranking Amps, the battery with the biggest capacity is Exide AGM EK820 of a capacity 82 Ah, having 800A Cold Cranking Amps. All batteries compatible with the 250 CDI engine have a B13 mount.
If you’re still unsure which battery fits your Mercedes-Benz SLK , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!

See also information about other cars of this manufacturer

Mercedes-Benz A-Class I (W168) (1997-2004) battery
Mercedes-Benz A-Class II (W169) (2004-2012) battery
Mercedes-Benz B-Class W245 (2005-2011) battery
Mercedes-Benz B-Class W246 (2011-) battery
Mercedes-Benz C-Class I (W202) (1993-2000) battery
Mercedes-Benz C-Class II (W203) (2000-2007) battery
Mercedes-Benz C-Class W204 (2007-2014) battery
Mercedes-Benz Citan W415 (2012-) battery
Mercedes-Benz CLA I (C117) (2013-) battery
Mercedes-Benz CLC-Class CL203 (2008-2010) battery
Mercedes-Benz CLK W208 (1997-2003) battery
Mercedes-Benz CLK W209 (2002-2009) battery
Mercedes-Benz CLS C218 (2011-) battery
Mercedes-Benz CLS C219 (2004-2010) battery
Mercedes-Benz E-Class I (W124) (1993-1995) battery
Mercedes-Benz E-Class II (W210) (1995-2002) battery
Mercedes-Benz E-Class III (W211) (2002-2008) battery
Mercedes-Benz E-Class W212 (2009-2016) battery
Mercedes-Benz GL-Class X164 (2006-2012) battery
Mercedes-Benz GL-Class X166 (2012-) battery
Mercedes-Benz GLA I (X156) (2013-2019) battery
Mercedes-Benz ML W163 (1997-2005) battery
Mercedes-Benz ML W164 (2005-2011) battery
Mercedes-Benz ML W166 (2011-2015) battery
Mercedes-Benz S-Class W220 (1998-2005) battery
Mercedes-Benz S-Class W221 (2005-2013) battery
Mercedes-Benz S-Class Coupe C140 (1992-1999) battery
Mercedes-Benz S-Class Coupe C215 (1999-2006) battery
Mercedes-Benz SL R129 (1989-2001) battery
Mercedes-Benz SL R230 (2001-2012) battery
Mercedes-Benz SL R231 (2012-) battery
Mercedes-Benz SLK R170 (1996-2004) battery
Mercedes-Benz SLK R171 (2004-2011) battery
Mercedes-Benz V-Class (638/2) (1996-2003) battery
Mercedes-Benz V-Class (W447) (2014-) battery
Mercedes-Benz Viano (W639) (2003-2010) battery


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