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Mercedes C257 CLS 450 EQ Boost 4-matic Alternator (367 hp Petrol/Electric M 256.930)

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AUTOELECTRO AEK4114 Alternator 12V, 250A, B+, LIN2
Article number: AEK4114
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  • Alternator Charging Current [A]: 250
  • Voltage [V]: 12
  • Pulleys: with multi-belt pulley
  • Number of ribs: 6
  • Plug Type ID: B+, LIN2
  • Number of mounting bores: 4
  • Plug Type: Round Plug
  • Item number: AEK4114
  • Our price: £422.00
  • Manufacturer: AUTOELECTRO
  • EAN number: 5056348618754
  • Condition: New
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£422.00

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A core charge of £63.33 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
MERCEDES-BENZ CLS (C257) CLS 450 EQ Boost 4-matic (257.359) Bestsellers
  • Fitting Position: Front Axle
  • Brake System: Brembo
  • Wear Warning Contact: prepared for wear warning indicator
  • Article number of recommended accessories: 98048700
  • Thickness [mm]: 18,9
  • Height [mm]: 96
  • Width [mm]: 142
  • WVA Number: 22586
  • Weight [kg]: 2,9
  • Packaging length [cm]: 15,2
  • Packaging width [cm]: 8,8
  • Packaging height [cm]: 8,4
  • Item number: 2258601
  • Our price: £68.49
  • Manufacturer: TEXTAR
  • EAN number: 4019722493850
  • Condition: New
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In stock
£68.49

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  • Fitting Position: Rear Axle
  • Brake System: TRW
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info Info 2: with brake caliper screws
  • Article number of recommended accessories: 98048700
  • Thickness [mm]: 17,4
  • Height 1 [mm]: 70
  • Height 2 [mm]: 79
  • Width [mm]: 129,2
  • WVA Number: 22602
  • Weight [kg]: 1,88
  • Packaging length [cm]: 15,2
  • Packaging width [cm]: 8,8
  • Packaging height [cm]: 8,4
  • Item number: 2260201
  • Our price: £59.49
  • Manufacturer: TEXTAR
  • EAN number: 4019722493706
  • Condition: New
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In stock (Item(s) left: 6)
£59.49

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  • Fitting Position: Front Axle
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info Info 2: with anti-squeak plate
  • Length [mm]: 142
  • Width [mm]: 97
  • Thickness 1 [mm]: 19
  • Test Mark: ECE R90 Approved
  • for brake disc diameter [mm]: 360
  • Observe service information
  • Item number: ADU174241
  • Our price: £36.99
  • Manufacturer: BLUE PRINT
  • EAN number: 5057746115845
  • Condition: New
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In stock (Item(s) left: 2)
-46%
compared to RRP £68.99

£36.99

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  • Fitting Position: Rear Axle
  • Diameter [mm]: 360
  • Brake Disc Type: internally vented, two-part brake disc, Steel Brake Disc Hub
  • Drilled: no
  • Surface: Coated
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Product line: Prime
  • Brake Disc Thickness [mm]: 26
  • Height [mm]: 49
  • Centering Diameter [mm]: 69
  • Number of Holes: 5
  • Minimum thickness [mm]: 23,4
  • Item number: 09.D532.13
  • Manufacturer: BREMBO
  • EAN number: 8020584233764
  • Condition: New
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In stock
£126.49
Price per item
£252.98 / Price per 2 items

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  • Fitting Position: Front Axle
  • Brake System: BREMBO
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: Photo corresponds to scope of supply
  • Thickness [mm]: 18
  • Height [mm]: 96
  • Width [mm]: 142
  • Test Mark: ECE R90 APPROVED
  • Item number: 22586.180.1
  • Our price: £69.49
  • Manufacturer: ZIMMERMANN
  • EAN number: 4250238781738
  • Condition: New
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In stock
-55%
compared to RRP £155.52

£69.49

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  • Fitting Position: Front Axle
  • Diameter [mm]: 360
  • Brake Disc Type: perforated / vented, two-part brake disc, Steel Brake Disc Hub
  • Drilled: yes
  • Surface: Coated
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Product line: Prime
  • Brake Disc Thickness [mm]: 36
  • Height [mm]: 63
  • Centering Diameter [mm]: 69
  • Number of Holes: 5
  • Minimum thickness [mm]: 34
  • Item number: 09.D524.13
  • Manufacturer: BREMBO
  • EAN number: 8020584236789
  • Condition: New
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In stock
£151.99
Price per item
£303.98 / Price per 2 items

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free delivery

  • Fitting Position: Front Axle
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: with accessories
  • Supplementary Article / Supplementary Info Info 2: with adhesive film
  • Thickness [mm]: 18
  • Quantity Unit: Axle Set
  • Length [mm]: 142
  • Height [mm]: 96,3
  • Item number: 1705.00
  • Our price: £44.99
  • Manufacturer: REMSA
  • EAN number: 8427975050199
  • Condition: New
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In stock
£44.99

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  • Fitting Position: Rear Axle
  • Wear Warning Contact: with acoustic wear warning
  • Supplementary Article / Supplementary Info Info 2: with adhesive film
  • Thickness [mm]: 17,5
  • Number of wear indicators [per axle]: 8
  • Length [mm]: 129
  • Height [mm]: 70
  • Height 2 [mm]: 78,8
  • Item number: 1725.08
  • Our price: £50.99
  • Manufacturer: REMSA
  • EAN number: 8427975800350
  • Condition: New
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In stock (Item(s) left: 2)
£50.99

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  • Fitting Position: Rear Axle
  • Brake System: TRW
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: with accessories
  • Supplementary Article / Supplementary Info Info 2: with brake caliper screws, with anti-squeak plate
  • Thickness [mm]: 17
  • Product line: Prime
  • Height 1 [mm]: 70
  • Height 2 [mm]: 79
  • Width [mm]: 129
  • WVA Number: 22602, 22603
  • Item number: P 50 138
  • Our price: £54.99
  • Manufacturer: BREMBO
  • EAN number: 8020584087237
  • Condition: New
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In stock
£54.99

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  • Fitting Position: Front Axle
  • Brake System: Brembo
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: with accessories
  • Supplementary Article / Supplementary Info Info 2: with anti-squeak plate
  • Thickness [mm]: 18
  • Product line: Prime
  • Height [mm]: 96
  • Width [mm]: 142
  • WVA Number: 22586, 22587
  • directional
  • Item number: P 50 139
  • Our price: £53.99
  • Manufacturer: BREMBO
  • EAN number: 8020584087213
  • Condition: New
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In stock
£53.99

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  • Fitting Position: Front Axle
  • Brake System: Brembo
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: without accessories
  • Supplementary Article / Supplementary Info Info 2: with anti-squeak plate
  • Alternatively
  • Quantity Unit: Axle Set
  • Height 1 [mm]: 96
  • Height 2 [mm]: 96
  • Width 2 [mm]: 142
  • Width 1 [mm]: 142
  • Thickness 1 [mm]: 19
  • Thickness 2 [mm]: 19
  • WVA Number: 22586, 22587
  • Test Mark: E9 90R-02A0841 / 4934
  • FMSI Code: D1871-9100
  • Friction Lining Material: Semi-Metallic
  • Item number: LP3276
  • Our price: £39.99
  • Manufacturer: DELPHI
  • EAN number: 5012759540015
  • Condition: New
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In stock
£39.99

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  • Fitting Position: Rear Axle
  • Brake System: TRW
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: with accessories
  • Supplementary Article / Supplementary Info Info 2: with anti-squeak plate
  • Quantity Unit: Axle Set
  • Height 1 [mm]: 78,5
  • Height 2 [mm]: 69,6
  • Width 2 [mm]: 129,2
  • Width 1 [mm]: 129,2
  • Thickness 1 [mm]: 17,3
  • Thickness 2 [mm]: 17,3
  • WVA Number: 22602, 22603
  • Test Mark: E9 90R-02A0841 / 4846
  • FMSI Code: D2047-9277
  • Friction Lining Material: Semi-Metallic
  • Item number: LP3297
  • Our price: £51.99
  • Manufacturer: DELPHI
  • EAN number: 5012759985625
  • Condition: New
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In stock (Item(s) left: 2)
£51.99

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  • Fitting Position: Front Axle
  • Brake System: BREMBO
  • Wear Warning Contact: prepared for wear warning indicator
  • Quantity Unit: Axle Set
  • Number of wear indicators [per axle]: 1
  • Height 1 [mm]: 96,3
  • Width 1 [mm]: 142
  • Thickness 1 [mm]: 18
  • Warning Contact Length [mm]: 93
  • Item number: 35155
  • Our price: £48.49
  • Manufacturer: A.B.S.
  • EAN number: 8717109681024
  • Condition: New
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In stock
-47%
compared to RRP £91.76

£48.49

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  • Fitting Position: Front Axle
  • Wear Warning Contact: prepared for wear warning indicator, excl. wear warning contact
  • Thickness [mm]: 18
  • Quantity Unit: Axle Set
  • Height [mm]: 96
  • Width [mm]: 142
  • WVA Number: 22586 22587, 22586, 22587
  • Item number: SKBP-0011913
  • Our price: £26.99
  • Manufacturer: STARK
  • EAN number: 4059191786947
  • Condition: New
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In stock
-59%
compared to RRP £66.10

£26.99

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  • Fitting Position: Front Axle
  • Wear Warning Contact: prepared for wear warning indicator, excl. wear warning contact
  • Thickness [mm]: 18
  • Quantity Unit: Axle Set
  • Height [mm]: 96
  • Width [mm]: 142
  • WVA Number: 22586 22587, 22586, 22587
  • Item number: 402B1317
  • Our price: £24.49
  • Manufacturer: RIDEX
  • EAN number: 4059191786954
  • Condition: New
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In stock
-62%
compared to RRP £66.10

£24.49

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  • Fitting Position: Rear Axle
  • Brake System: Lucas / TRW
  • Wear Warning Contact: prepared for wear warning indicator
  • Height 1 [mm]: 70
  • Height 2 [mm]: 79
  • Width 1 [mm]: 129
  • Thickness 1 [mm]: 17,5
  • Weight [kg]: 1,92
  • Item number: 35171
  • Our price: £72.49
  • Manufacturer: A.B.S.
  • EAN number: 8717109721058
  • Condition: New
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In stock (Item(s) left: 4)
-13%
compared to RRP £84.23

£72.49

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  • Fitting Position: Rear Axle
  • Brake System: TRW
  • Wear Warning Contact: prepared for wear warning indicator
  • Height 1 [mm]: 70
  • Height 2 [mm]: 79
  • Width 2 [mm]: 129,1
  • Width 1 [mm]: 129,1
  • Thickness 1 [mm]: 17,5
  • Test Mark: ECE-R90, ECE R90 APPROVED
  • Vibration: with vibration damper
  • Item number: 22-1138-0
  • Our price: £51.99
  • Manufacturer: METELLI
  • EAN number: 2212113829995
  • Condition: New
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In stock (Item(s) left: 6)
£51.99

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  • Fitting Position: Front Axle
  • Wear Warning Contact: prepared for wear warning indicator
  • Supplementary Article / Supplementary Info: with accessories
  • not for country specific design: USA
  • Thickness [mm]: 18
  • Quantity Unit: Axle Set
  • Height [mm]: 96,3
  • Width [mm]: 142
  • Test Mark: E9 90R- 02A0107 / 4610
  • Manufacturer Restriction: BREMBO
  • Item number: GDB2150
  • Our price: £54.49
  • Manufacturer: TRW
  • EAN number: 3322938369903
  • Condition: New
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In stock
-64%
compared to RRP £154.63

£54.49

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excl. delivery costs

  • Fitting Position: Front Axle
  • Diameter [mm]: 360,0
  • Brake Disc Type: two-part brake disc, perforated / vented
  • Drilled: yes
  • Surface: Coated
  • Machining: High-carbon
  • Supplementary Article / Supplementary Info Info 2: with bolts / screws
  • Brake Disc Thickness [mm]: 36,0
  • Height [mm]: 62,5
  • Centering Diameter [mm]: 69,0
  • Number of Holes: 5
  • Bolt Hole Circle Ø [mm]: 112,0
  • Minimum thickness [mm]: 34,0
  • Inner Diameter [mm]: 167,5
  • MAPP code available
  • Test Mark: E1 90R-02C0610 / 1046
  • Bore Diameter [mm]: 15,3
  • Item number: 24.0136-0134.2
  • Manufacturer: ATE
  • EAN number: 4006633456050
  • Condition: New
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In stock
-28%
compared to RRP £245.25

£175.99
Price per item
£351.98 / Price per 2 items

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Articles you should read on the topic alternator for Mercedes C257 CLS 450 EQ Boost 4-matic

What is the best alternator for the Mercedes-Benz CLS (C257) 2999 ccm?

The best alternators for the Mercedes C257 CLS 450 EQ Boost 4-matic (257.359) are from the following original brands:

  • RIDEX
  • AS-PL
  • BV PSH
  • BOSCH
  • HELLA

How much does an alternator for the MERCEDES-BENZ CLS (C257) CLS 450 EQ Boost 4-matic (257.359) cost?

The price of an alternator for a Mercedes C257 CLS 450 EQ Boost 4-matic (257.359) Petrol/Electric ranges from £24.49 to £422.

How to tell if the alternator on your Mercedes C257 CLS 450 EQ Boost 4-matic (257.359) is bad and what to do

If the alternator is not charging the battery, symptoms such as flickering lights or a loss of power may be the first signs of a fault. The regulator, freewheel clutch and screws must be checked. If necessary, remove the alternator on your MERCEDES-BENZ CLS (C257) 270 kW / 367 hp and replace it.

Which alternator do I need for my Mercedes C257 CLS 450 EQ Boost 4-matic (257.359) Petrol/Electric (Direct Injection) 2017 - 2025?

Alternator charging current [A] 250
Pulley Ø [mm]
Pulleys with multi-belt pulley
Weight [kg] 1.88; 1.92; 2.9
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