ABS and ESP system
More informationAt the Global Parts automotive store, we offer a wide selection of original used car parts, including ABS and ESP systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our ABS and ESP systems undergo quality control to ensure you receive a top-quality product.
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Part no. A1724314312
Mercedes W204 Hydraulic Pump ABS Brake Control Unit Module A1729014100
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£85.95
£51.57
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Part no. A1729014000
Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A1729014000 A1724314212
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£52.95
£45.01
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Part no. A2045455232
Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit A2044313812
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£284.95
£242.21
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Part no. A9069005502
Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Control Unit A9069005502
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£75.95
£64.56
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Part no. A0004313700
Mercedes W176 W246 ABS ESP Hydraulic Brake Pump Unit Module A0004313700
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£37.95
£32.26
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Part no. A2124312912-1
Mercedes W207 W212 Hydraulic Pump ABS ESP Brake Control Unit Module A2124312912
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£28.95
£24.61
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Part no. A2515450832
Hydraulic Pump Mercedes ML W164 ABS Brake Control Unit Module A2515450832
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£85.95
£51.57
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Part no. A0074313912
Mercedes Sprinter W906 ABS ESP Hydraulic Brake Pump Unit Module A0074314612
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£237.95
£142.77
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Part no. A9069008401
Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Control Unit A9069008401
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£113.95
£68.37
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Part no. A2124310148
Mercedes W212 ABS Pump Brake Hydro Hydraulic Control Unit Module A2124310148
£28.95
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Part no. A0044316212-1
Mercedes W203 W209 ABS Hydraulic Brake Pump Unit A0375453632
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£23.95
£20.36
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Part no. A0084315412
Brake Pump Mercedes W639 Vito ABS ESP Hydraulic Control Unit Module A0084315412
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£370.95
£222.57
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Part no. A1724313812
Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A1724313812 A1729014100
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£56.95
£34.17
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Part no. A9069002302
Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Brake Unit A9069002302
£94.95
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Part no. A0094316412
Mercedes W176 Brake Pump ABS ESP Hydraulic Braking Control Unit A0094316412
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£13.95
£13.25
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Part no. A0054319512
Brake Pump Mercedes W169 W245 ABS Hydraulic Braking Unit A0054319512
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£47.95
£40.76
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Part no. A0054314312
Mercedes W203 Brake Pump ABS ESP Hydraulic Braking Unit A0054314312 A0345457932
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£18.95
£16.11
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Part no. A0004312000
Mercedes W176 Brake Pump ABS ESP Hydraulic Braking Control Unit A0004312000
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£47.95
£40.76
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Part no. A1634300007
Mercedes ML W164 ABS Pump Control Hydraulic Unit Module A1644312812
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£56.95
£34.17
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Part no. A2214311448
Mercedes W221 Brake Pump ABS Hydraulic Assembly Unit Control Module A2214311448
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£142.95
£85.77
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Part no. A0004311500
Mercedes W176 ABS Hydraulic Brake Pump Control Unit Module A0004311500
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£18.95
£16.11
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Part no. A2114313712
Mercedes W211 W219 Hydraulic Pump ABS Brake Control Unit Module A2114313712
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£123.95
£74.37
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Part no. A4479003902-1
Mercedes Vito W447 Brake Pump ABS ESP Hydraulic Unit A4479003902 A4479003802
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£66.95
£40.17
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Part no. A0014460989
Brake Pump Mercedes W639 Vito ABS ESP Hydraulic Control Unit Module A0014460989
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£113.95
£68.37
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Part no. A0044319212
Brake Pump Mercedes W169 W245 ABS Hydraulic Braking Unit A0044319212
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£43.95
£26.37
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Part no. A0345457732
Mercedes W203 Brake Pump ABS ESP Hydraulic Braking Unit A0345457732 A0054312912
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£28.95
£17.37
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Part no. A9069009001
Mercedes W906 ABS Pump Hydraulic Brake Pump Control Module A9069009001
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£75.95
£45.57
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Part no. A1635450416
Mercedes ML W163 ABS Hydraulic Brake Pump Unit A1635450316
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£189.95
£113.97
Free delivery: Jul 27
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Part no. A1669013400
Mercedes ML W166 ABS Pump Brake Hydraulic Module Pump Unit A1669013400
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£66.95
£40.17
Free delivery: Jul 27
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Part no. A0064313812
Mercedes W169 W245 Brake Pump ABS Hydraulic Braking Unit A0064313812
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£23.95
£14.37
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Part no. A4479006316
Mercedes Vito W447 Brake Pump ABS ESP Hydraulic Control Unit A4479006216
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£75.95
£45.57
Free delivery: Jul 27
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Part no. A9079008304
Mercedes W907 Brake Pump ABS Hydraulic Control Unit Module A9079008304
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£165.95
£99.57
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Part no. A9079007406
Mercedes W907 ABS Pump Stability Hydraulic Unit A9079007406
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£66.95
£40.17
Free delivery: Jul 27
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Part no. A0355458132
Brake Pump Mercedes W203 ABS ESP Hydraulic Brake Unit A0355458132 A0054314412
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£66.95
£40.17
Free delivery: Jul 27
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Part no. A0054313712
Mercedes SLK R171 Brake Pump ABS ESP Hydraulic Brake Unit A0054313712
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£94.95
£56.97
Free delivery: Jul 27
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Part no. A2074300010
Brake Pump Bracket Mercedes W204 W207 ABS Mount Holder Support A2074300010
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£13.95
£13.25
Free delivery: Jul 27
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Part no. A1729012000-1
Mercedes W204 C63 AMG ABS Brake Pump Steering Hydraulic Braking Unit A1724313512
£142.95
Free delivery: Jul 27
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Part no. A9069008803
Mercedes W906 ABS Pump Hydraulic Brake Pump Control Module A9069008803
Promo price
£70.95
£42.57
Free delivery: Jul 27
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Part no. A2214310848
Mercedes-Benz S-Class W221 ABS Distronic Plus Hydraulic Brake Pump Unit Module
Promo price
£270.95
£162.57
Free delivery: Jul 27
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Part no. A2054310600
Mercedes W205 ABS Pump Hydraulic Brake Pump Control Module A2054310600
Promo price
£85.95
£51.57
Free delivery: Jul 27
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Part no. rhd-A6394310740
Mercedes Vito W639 Hydraulic Brake Pump Unit Holder Bracket Mount Support
Promo price
£23.95
£14.37
Free delivery: Jul 27
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Part no. A1694310240
Mercedes W169 W245 ABS Pump Mount Bracket Holder Support A1694310240
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£13.95
£13.25
Free delivery: Jul 27
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Part no. A2054313712
Mercedes W205 Brake Pump ABS Hydraulic Brake Control Unit Module A2054313612
Promo price
£94.95
£56.97
Free delivery: Jul 27
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Part no. A1764311712
Mercedes W176 ABS SBC Hydraulic Brake Pump Unit A1764311612
Promo price
£180.95
£153.81
Free delivery: Jul 28 – Aug 4
If paid before 14:00
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Part no. A2048260024
Mercedes W204 Brake Pump ABS Hydraulic Unit Bracket Mount Holder A2048260024
Promo price
£13.95
£13.25
Free delivery: Jul 27
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Part no. A0004314140
Brake Pump Bracket Mercedes W639 W906 ABS Hydraulic Unit Holder A0004314140
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£13.95
£13.25
Free delivery: Jul 27
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Part no. A0064314612
Brake Pump Mercedes W169 W245 ABS Hydraulic Braking Unit A0064314612
Promo price
£28.95
£17.37
Free delivery: Jul 27
If paid before 14:00
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Part no. A9079002904
Mercedes W907 ABS Pump Stability Hydraulic Unit A9079002904
Promo price
£189.95
£113.97
Free delivery: Jul 27
If paid before 14:00
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Part no. A1779006404
Mercedes W177 ABS Pump Hydraulic Brake Pump Module A1779006404
Promo price
£189.95
£113.97
Free delivery: Jul 27
If paid before 14:00
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Part no. A1669014300
Mercedes GLE W166 X166 ABS Pump Hydraulic Brake Pump Control Module A1669014300
Promo price
£189.95
£113.97
Free delivery: Jul 27
If paid before 14:00
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Part no. A9079003703
Mercedes Sprinter W907 W910 Brake Pump ABS Hydraulic Brake Unit A9079003703
Promo price
£142.95
£85.77
Free delivery: Jul 27
If paid before 14:00
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Part no. A1764310200
Mercedes W176 ABS Pump Brakes Hydraulic Pump Unit A45 AMG M133 A1764310200
Promo price
£85.95
£51.57
Free delivery: Jul 27
If paid before 14:00
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Part no. A9079009505
Mercedes W907 Brake Pump ABS Hydraulic Assembly Unit Control Module A9079009505
Promo price
£180.95
£108.57
Free delivery: Jul 27
If paid before 14:00
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Part no. A1724300410
Mercedes SLK R172 Brake Pump ABS Hydraulic Unit Bracket Mount Holder A1724300410
Promo price
£23.95
£14.37
Free delivery: Jul 27
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Part no. A4159007802
Mercedes Citan W415 Brake Pump ABS Module Hydraulic Control Unit A4159007802
Promo price
£170.95
£102.57
Free delivery: Jul 27
If paid before 14:00
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Part no. A2515453932
Mercedes ML W164 Brake Pump ABS ESP Hydraulic Module A2515453932 A1644311912
Promo price
£66.95
£40.17
Free delivery: Jul 27
If paid before 14:00
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Part no. A1779008406
Mercedes W177 AMG ABS ESP Hydraulic Brake Pump Unit A1779008406
Promo price
£370.95
£222.57
Free delivery: Jul 27
If paid before 14:00
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Part no. A2184313212
Mercedes W218 C218 Brake Pump ABS ESP Hydraulic Braking Unit A2184313212
Promo price
£32.95
£19.77
Free delivery: Jul 27
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Part no. A4479008809
Mercedes Vito W447 ABS Pump Hydraulic Control Unit Module A4479008809
Promo price
£142.95
£85.77
Free delivery: Jul 28 – Aug 4
If paid before 14:00
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Part no. A2044300110
Brake Pump Bracket Mercedes W204 W207 ABS Mount Holder Support A2044300110
Promo price
£23.95
£14.37
Free delivery: Jul 27
If paid before 14:00
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Part no. A2314310200
Mercedes SLK R231 ABS SBC Hydraulic Brake Pump Unit A2314310200
Promo price
£303.95
£182.37
Free delivery: Jul 27
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Part no. A0365454132
Mercedes CL203 ABS Pump Control Unit Module A0365454132
Promo price
£23.95
£14.37
Free delivery: Jul 27
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Part no. rhd-A1774303400
Brake Pump Bracket Mercedes W177 W247 ABS Pump Mount Holder Support A1774303400
Promo price
£23.95
£14.37
Free delivery: Jul 27
If paid before 14:00
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Part no. A2314313312
Mercedes SLK R231 ABS Hydraulic Brake Pump Unit A2314313312
Promo price
£379.95
£227.97
Free delivery: Jul 27
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Part no. A2124312912
Mercedes W207 W212 Hydraulic Pump ABS Brake Control Unit Module A2124312912
Promo price
£28.95
£17.37
Free delivery: Jul 27
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Part no. A2134316201-1
Hydraulic Unit Mercedes W213 W217 W257 ABS Pump A2134315900
Promo price
£379.95
£227.97
Free delivery: Jul 27
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Part no. A1724315412
Mercedes SLK R172 2.0 Petrol ABS SBC Hydraulic Brake Pump Unit A1729014000
Promo price
£270.95
£162.57
Free delivery: Jul 27
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Part no. A1779009203
Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit A1779009203 A1779019102
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£37.95
£22.77
Free delivery: Jul 27
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Part no. A2059001049
Mercedes W205 Brake Pump ESP ABS Hydraulic Control Unit Module A2059001049
£127.95
Free delivery: Jul 27
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Part no. A2095452532
Brake Pump Mercedes W203 ABS ESP Hydraulic Brake Unit A2095452532 A2034310812
Promo price
£75.95
£45.57
Free delivery: Jul 27
If paid before 14:00
-37%
Part no. A4479008609
Mercedes W447 ABS Pump Hydraulic Brake Pump Control Module A4479008609
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£99.95
£62.97
Free delivery: Jul 27
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Part no. A2059005844
Mercedes W205 ABS Hydraulic Unit A2059005844
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£569.95
£341.97
Free delivery: Jul 28 – Aug 4
If paid before 14:00
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Part no. A2134314501
Mercedes C238 Brake Pump ABS ESC Hydraulic Unit Module A2134314501
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£180.95
£108.57
Free delivery: Jul 27
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Part no. A1764310800
Mercedes W176 Pump ABS ESP Hydraulic Control Unit Braking Module A1764310800
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£161.95
£97.17
Free delivery: Jul 27
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Part no. A2059005347
Mercedes W205 Brake Pump ESP ABS Hydraulic Control Unit Module A2059005347
Promo price
£199.95
£119.97
Free delivery: Jul 27
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Part no. A1779007805
ABS Pump Mercedes C118 W177 Hydraulic Brake ESP Control Unit A1779007805
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£37.95
£22.77
Free delivery: Jul 27
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Part no. A1779002305
Mercedes W177 Brake Pump ESP ABS Hydraulic Unit Module A1779002305 A1779019102
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£56.95
£34.17
Free delivery: Jul 27
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Part no. A2054311400
Mercedes C205 C63 AMG ABS Hydraulic Brake Pump A2054311400
£598.95
Free delivery: Jul 28 – Aug 4
If paid before 14:00
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Part no. A2124313912
Mercedes W212 AMG Brake Pump ABS ESP Hydraulic Braking Control Unit A2124313912
Promo price
£332.95
£199.77
Free delivery: Jul 27
If paid before 14:00
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Part no. A2059007445
Mercedes W205 Brake Pump ABS Hydraulic Brake Control Unit Module A2059007445
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£332.95
£199.77
Free delivery: Jul 27
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Part no. A0004310500
Mercedes W176 Brake Pump ABS ESP Hydraulic Braking Control Unit A0004310500
Promo price
£28.95
£17.37
Free delivery: Jul 27
If paid before 14:00
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Part no. A1645450916
Mercedes ML W164 AMG Brake Pump ABS ESP Hydraulic Unit Module A1645450916
Promo price
£213.95
£128.37
Free delivery: Jul 27
If paid before 14:00
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Part no. A2069005916
Mercedes W206 ABS Pump Brake Hydro Control Unit Module ESP9.3 A2069001016
Promo price
£807.95
£484.77
Free delivery: Jul 27
If paid before 14:00
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Part no. A2314300207
Mercedes R231 ABS Pump Hydraulic Brake Pump Control Module A2314300207
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£284.95
£170.97
Free delivery: Jul 27
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Part no. A1779002403
Mercedes W177 Brake Pump ESP ABS Hydraulic Unit Module A1779002403 A1779015302
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£37.95
£22.77
Free delivery: Jul 27
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Part no. A2124300407
ABS Pump Mercedes W212 E63 AMG Hydraulic Brake ESP Control Unit A2124300407
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£175.95
£105.57
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Part no. A1779004516
Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit A1779004516 A1779014907
£332.95
Free delivery: Jul 27
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Part no. rhd-A2134300510
Brake Pump Bracket Mercedes W204 W207 ABS Mount Holder Support A2134300510
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£13.95
£13.25
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Part no. A2124317012
Mercedes W207 W212 Hydraulic Pump ABS Brake Control Unit Module A2124317012
Product currently unavailable
Part no. A2049012400
Mercedes W204 Brake Pump ABS ESP Hydraulic Control Unit A2049012400 A2044311912
Product currently unavailable
Part no. A0064316812
Mercedes-Benz A B Class W169 W245 ABS Hydraulic Brake Pump Unit A0064316312
Product currently unavailable
Part no. A9069002001
Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Control Unit A9069002001
Product currently unavailable
Part no. A0064310312
Brake Pump Mercedes W203 ABS ESP Hydraulic Brake Unit A0064310312 A0365454032
Product currently unavailable
Part no. A2049012500-1
Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2049012500 A2044312012
Product currently unavailable
Part no. A0064316812-1
Mercedes W169 W245 ABS Hydraulic Brake Pump Unit A0064316712
Product currently unavailable
Part no. A2044314012
Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit A2045453932
Product currently unavailable
Part no. A2044314012-1
Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2044314012 A2045453932
Product currently unavailable
Part no. A2045453832
Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2045453832 A2044313912
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Part no. A0084316212
Brake Pump Mercedes Sprinter W906 Vito W639 ABS Hydraulic Module A0084316212
Product currently unavailable
ABS and ESP control modules – key to optimal brake system control
Top-quality ABS and ESP sensors - ensure your driving safety
ABS and ESP systems are advanced driving safety systems that minimize the risk of skidding and loss of vehicle control. ABS (Anti-lock Braking System) prevents wheel lock-up during braking, while ESP (Electronic Stability Program) stabilizes the vehicle when driving in difficult conditions, such as on corners or slippery surfaces. In the Global Parts automotive store, you will find a wide selection of used car parts, including ABS and ESP systems, ideal for brands such as BMW, Audi, Mercedes, Mini, and others.
What is the difference between ABS and ESP?
Although both systems work together, their functions differ. ABS reacts during sudden braking – each of the four brake discs has a dedicated rotational speed sensor that measures whether a wheel has locked up. The ESP system, on the other hand, operates continuously, analyzing data from steering angle, lateral acceleration, and wheel speed sensors. Thanks to this, it can automatically correct the driving path, for example, by slightly braking one wheel. In vehicles such as the BMW E90 or Volkswagen Passat B7, both systems interact within a single ABS/ESP controller, which enables precise reactions in a fraction of a second.
What functions do ABS and ESP systems perform?
ABS and ESP systems play key roles in ensuring driving safety:
- Prevention of wheel lock-up (ABS) – The ABS system allows for full control over the driving direction during intense braking, especially in difficult weather conditions.
- Driving path stabilization (ESP) – ESP automatically corrects the vehicle's path, reducing the risk of side skidding or oversteer.
- Braking force optimization – ABS works with other systems, such as EBD (Electronic Brakeforce Distribution), to optimize brake efficiency.
- Ensuring vehicle stability – ESP reacts to differences in wheel speed, making corrections that help the driver maintain control over the vehicle.
Construction and purpose of the ABS and ESP system
The ABS and ESP system is a hydraulic-electronic assembly most often mounted in the engine compartment, near the brake master cylinder and brake lines. Such a module usually consists of a hydraulic block, a pump, a controller, and electrical connectors that work with sensors at the wheels. The ABS and ESP system is used to control brake fluid pressure and to quickly correct the driving path when the electronics detect skidding or loss of traction.
Comparison of components working with the ABS and ESP system
| Component | Main function | Location | What to check when selecting |
|---|---|---|---|
| ABS/ESP hydraulic pump | Regulates pressure in brake circuits | Engine compartment, near the hydraulic block | OEM number, controller type, number of line outlets, connector type |
| ABS/ESP controller | Processes signals from sensors and controls system operation | On the hydraulic module or as an integrated unit | OEM part number, software compatibility, vehicle version |
| Wheel speed sensor | Reads rotational wheel speed | At the hub or steering knuckle | Sensor type, cable length, mounting side, plug |
| Steering angle sensor / acceleration sensor | Provides data for ESP operation | Steering column or center of the body | Equipment compatibility, calibration, OEM number |
Operating principle and compatibility of ABS sensors
The ABS sensor is most often of the inductive or magnetoresistive type. In models such as the BMW E46, the ABS sensor generates a voltage signal in the range of 0.5–1.5 V, which is read by the control module. In modern cars, active sensors are used, which require 5–12 V power and allow for more precise wheel speed readings. ABS sensor compatibility is crucial – e.g., a BMW E46 ABS sensor will not fit a BMW E90, despite the similarity in construction. At Global Parts, you will find product descriptions with information about the OEM number, hub diameter, and connector type, which facilitates the correct selection of parts.
Why is it worth taking care of the ABS and ESP system?
Damage or malfunction of the ABS and ESP system can lead to problems with safety and driving stability. Typical symptoms of a malfunction include:
- ABS/ESP warning light on the dashboard – May indicate a failure of sensors, the controller, or the pump.
- Extended braking distance – A faulty ABS can reduce braking efficiency on slippery surfaces.
- Loss of stability while driving – An ESP failure can increase the risk of skidding in difficult conditions.
- Brake pedal problems – Resistance or vibrations during braking may indicate a problem with the ABS system. At Global Parts, we offer used ABS and ESP system components that have undergone detailed quality tests, ensuring their durability and reliability.
The role of the hydraulic block and controller in system operation
The ABS/ESP hydraulic block is the part containing fluid flow channels, valves, and a pump responsible for quickly increasing and decreasing braking pressure. The controller refers to the electronic module managing valve operation based on signals from sensors and data from the vehicle bus. In practice, when selecting, the OEM part number, interchangeable numbers, pin layout, module manufacturer, and compatibility with the engine version and vehicle equipment are important.
Table – most common symptoms and possible causes of ABS/ESP system problems
| Symptom | Possible cause | Example component to check |
|---|---|---|
| ABS light stays on | No signal from one sensor | BMW E46 / Passat B7 ABS sensor |
| ESP turns on for no reason | Damaged steering angle sensor | ESP module / Bosch 5.7 controller |
| Brake pedal vibrations | Uneven signal from sensor | Rear wheel active ABS sensor |
| Longer braking distance | ABS pump failure | ATE MK60 ABS pump |
| No communication with module | Corrosion of electrical connector | ABS sensor wiring or ESP controller |
How to choose the right ABS and ESP system components?
When choosing ABS and ESP system components, you should pay attention to several key aspects:
- Matching the vehicle model – Each ABS and ESP system is specific to a given model and drive type. In Global Parts, you will find ABS and ESP system components perfectly matched to BMW, Audi, Mercedes, Mini, and others.
- Technical condition – Used parts, such as sensors, controllers, or pumps, should be free from mechanical and electrical damage.
- System compatibility – Ensure that the selected components work with the other elements of the ABS and ESP system in your vehicle.
Selecting parts by OEM, connector, and vehicle version
The ABS and ESP system requires compatibility not only with the brand but also with the body version, drive type, and electronics configuration. When choosing, it is worth comparing the OEM number, the number of pins in the plug, the layout of hydraulic lines, and the module manufacturer's marking. In the case of parts such as the ABS pump 1ko 614 517 bd, it is crucial to check the compatibility of the hydraulic block and controller with the specific installation version. If you are looking for a subassembly such as a BMW E87 ABS pump, you must verify the part number, electrical connector type, and whether the module works with the appropriate ABS controller. Additionally, it is worth comparing the routing of lines at the module and the mounting location in the engine compartment to avoid differences between pre-facelift and post-facelift versions.
Examples of part matching for popular models
- BMW E46 – ABS sensors are mounted at each wheel, working with the Bosch 5.3 module.
- BMW E90 – Uses the Bosch 8.0 ESP module with DTC (Dynamic Traction Control) function.
- Volkswagen Passat B7 – ATE MK60E ABS system integrated with ESP, compatible with active sensors. Selecting components by VIN or OEM number guarantees full electrical and mechanical compatibility. Global Parts offers the ability to filter parts by brand, year, engine version, and module manufacturer.
Why is it worth choosing used ABS and ESP system components?
Used car parts, such as ABS and ESP system components, are a practical solution that allows for savings while maintaining high quality. By choosing used ABS and ESP system components, you gain:
- Lower costs – Used elements are significantly cheaper than new ones but offer equally high quality.
- Ecology – Recycling car parts supports environmental protection and reduces waste.
- Wide offer – In our store, you will find ABS and ESP system components for many car brands.
How to take care of the ABS and ESP system?
To ensure the ABS and ESP system works reliably for a long time, it is worth following a few rules:
- Regularly check the condition of ABS/ESP sensors and cables to prevent operational problems.
- Change brake fluid according to the manufacturer's recommendations to ensure proper ABS pump operation.
- Monitor any errors on the dashboard and quickly diagnose problems at a workshop.
- If a replacement is needed, at Global Parts you will find suitable used car parts that will restore full functionality to your braking and stabilization system.
Related brake system elements and cooperation diagnostics
The ABS and ESP system works with hydraulic, electrical, and mechanical components of the entire braking assembly. During diagnostics, it is also worth checking the ABS speed sensor, the condition of brake hoses, lines, and connectors, and the correct operation of elements from the brake master cylinders group. When completing a repair for a specific model, e.g., SBC W211, the compatibility of the module with the vehicle installation and the bleeding procedure after installation is also important. Those comparing the operation of the entire system can supplement diagnostics by checking parts from the Brake system and parts section. A useful supplementary material is also the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which shows how selection by VIN and OEM number facilitates work in other car systems as well.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of the ABS and ESP system? | The ABS and ESP system is a set of hydraulic, electronic, and measurement elements responsible for controlling braking and vehicle stability. A typical set includes a pump or hydraulic block, a controller, wheel speed sensors, and sensors used by the driving path stabilization system. The module is usually mounted in the engine compartment and connected to the car's braking and electrical installation. |
| What is the ABS and ESP system used for? | The ABS and ESP system is used to limit the risk of wheel lock-up during braking and to correct the driving path in situations of traction loss. ABS maintains steerability during heavy braking, and ESP uses signals from sensors and selective wheel braking to stabilize the car. Without a properly functioning system, the driver has less support when driving on slippery surfaces and during sudden maneuvers. |
| What is the construction and function of the ABS/ESP hydraulic block? | The ABS/ESP hydraulic block is a part containing brake fluid flow channels, solenoid valves, and a pump controlling pressure in individual circuits. This element works directly with the controller, which, based on signals from sensors, opens or closes valves at the right moment. In addition to pressure regulation itself, electrical connectors, the layout of line outlets, and compatibility with a specific car version are also important. |
| How to choose the right ABS/ESP module or pump for a car? | It is safest to compare the OEM number, interchangeable numbers, module manufacturer, and electrical connector type. It is also worth checking the body version, drive, equipment, and brake system designation, as visually similar parts may differ in controller configuration. For used parts, comparing photos of mounting points and hydraulic outlets is also helpful. |
| What symptoms indicate a problem with the ABS and ESP system? | The most common symptoms are illuminated ABS or ESP warning lights, errors stored in the controller's memory, incorrect reaction during braking, and sporadic activation of the stabilization system. In practice, the fault may concern a wheel sensor, wiring, the controller, or the hydraulic block itself. In diagnostics, it is also worth verifying power supply, ground, and the condition of plugs. |
| How is the installation and activation of ABS and ESP system components carried out? | Installation requires proper seating of the module, connection of brake lines, and electrical installation according to the factory layout. After replacement, bleeding the system, clearing errors, and adapting or coding the controller are often necessary, depending on the vehicle version. Therefore, before installation, it is worth ensuring that the part has matching markings and corresponds to the car's equipment. |
Summary: ABS and ESP systems in the Global Parts automotive store
ABS and ESP systems are advanced safety systems that ensure stability, braking efficiency, and protection in various road conditions. The Global Parts offer includes used components matched to many vehicle versions of brands such as Mercedes, BMW, Unbranded, and others, taking into account data such as brand, condition, OEM part number, and interchangeable numbers. This method of selection makes it easier to compare the module, pump, or sensor with the equipment of a specific car. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.